2025-6-18 18.97.9.172
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GB/T 8163-2018   Seamless steel pipes for liquid service (English Version)
Standard No.: GB/T 8163-2018 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 10500 words Price(USD):140.0 remind me the price change

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Implemented on:2019-2-1 Delivery: via email in 1 business day
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Standard No.: GB/T 8163-2018
English Name: Seamless steel pipes for liquid service
Chinese Name: 输送流体用无缝钢管
Chinese Classification: H48    Steel tube and cast iron pipe
Professional Classification: GB    National Standard
ICS Classification: 77.140.75 77.140.75    Steel pipes and tubes for specific use 77.140.75
Issued by: SAMR; SAC
Issued on: 2018-05-14
Implemented on: 2019-2-1
Status: valid
Superseding:GB/T 8163-2008 Seamless steel tubes for liquid service
Language: English
File Format: PDF
Word Count: 10500 words
Price(USD): 140.0
Delivery: via email in 1 business day
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is drafted in accordance with the rules of GB/T 1.1-2009. This standard replaces GB/T 8163-2008 Seamless steel tubes for liquid service, and the following main technical changes have been made with respect to GB/T 8163-2008: —— the tolerances for the outside diameter and wall thickness of cold drawn (rolled) seamless steel pipes are modified (see 4.2.1 and 4.2.3 of this standard, 4.2.1 and 4.2.3 of Edition 2008); —— the tolerances for the wall thickness of hot expanded steel pipes are modified (see 4.2.2 of this standard and 4.2.2 of Edition 2008); —— the random length range and the tolerance requirements for cut length of steel pipes are modified (see 4.3.1 and 4.3.3.2 of this standard, 4.3.1 and 4.3.3.2 of Edition 2008); —— the steel grade Q295 and its relevant technical requirements are deleted (see 5.1.1 of Edition 2008); —— the chemical composition and carbon equivalent table of each grade high strength low alloy structural steels are added (see 5.1.3); —— the chemical composition table for steel of Grades 10 and 20 is added (see 5.1.2); —— the manufacturing method for extruded steel pipes is deleted (see 5.2.3 of Edition 2008); —— the requirement is deleted that the yield strength of each grade of steel pipe is graded according to the wall thickness of the pipe (see 5.4.1 of Edition 2008); —— the requirements for flattening test on steel of Grade Q390 are added (see 5.5.1); —— the requirement is deleted that the hydraulic test may be replaced by ultrasonic testing (see 5.5.4 of Edition 2008); —— negotiation clauses for ultrasonic non-destructive testing of steel pipe are added; —— the galvanized coating and related technical requirements are added (see 5.9 and Annex A). This standard was proposed by the China Iron and Steel Association. This standard is under the jurisdiction of the National Technical Committee on Iron and Steel of Standardization Administration of China (SAC/TC 183). The previous editions of this standard are as follows: —— GB/T 8163-1987, GB/T 8163-1999, and GB/T 8163-2008. Seamless steel pipes for liquid service 1 Scope This standard specifies the order contents, dimensions, shapes, weights, technical requirements, test methods, inspection rules, and packing, marking and quality certificate of seamless steel pipes for liquid service. This standard is applicable to seamless steel pipes for common fluid service. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 222 Permissible tolerances for chemical composition of steel products GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method GB/T 223.9 Iron, steel and alloy - Determination of aluminum content - Chrome azurol S photometric method GB/T 223.11 Iron steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method GB/T 223.12 Methods for chemical analysis of iron, steel and alloy - The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content GB/T 223.14 Methods for chemical analysis of iron, steel and alloy - The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content GB/T 223.19 Methods for chemical analysis of iron,steel and alloy - The neocuproine-chloroform extraction photometric method for the determination of copper content GB/T 223.23 Iron,steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method GB/T 223.26 Iron,steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method GB/T 223.37 Methods for chemical analysis of iron, steel and alloy - The indophenol blue photometric methods for the determination of nitrogen content after distillation separation GB/T 223.40 Iron, steel and alloy - Determination of niobium content by the sulphochlorophenol S spectrophotometric method GB/T 223.59 Iron, steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method GB/T 223.63 Methods for chemical analysis of iron, steel and alloy - The sodium(potassium)periodate photometric method for the determination of manganese content GB/T 223.68 Methods for chemical analysis of iron, steel and alloy - The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content GB/T 223.81 Iron,steel and alloy - Determination of total aluminum and total aluminum and total boron contents - Microwave digestion-inductively coupled plasma mass spectrometric method GB/T 223.84 Steel, iron and alloy - Determination of titanium content - Diantipyrylmethane spectrophotometric method GB/T 223.86 Steel, iron and alloy - Determination of total carbon content - Infrared absorption method after combustion in an induction furnace GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 229 Metallic materials - Charpy pendulum impact test method GB/T 241 Metal materials - Tube - Hydrostatic pressure testing GB/T 242 Metallic materials - Tube - Drift expanding test GB/T 244 Metallic materials - Tube - Bend test GB/T 246 Metallic materials - Tube - Flattening test GB/T 2102 Acceptance, packing, marking and quality certification of steel pipe GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing GB/T 4336 Carbon and low-alloy steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method) GB/T 5777-2008 Seamless steel pipe and tubing methods for ultrasonic testing GB/T 7735-2016 Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections GB/T 12606-2016 Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections GB/T 17395 Dimensions, shapes, masses and tolerances of seamless steel tubes GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition GB/T 20123 Steel and iron - Determination of total carbon and sulfur content - Infrared absorption method after combustion in an induction furnace (routine method) GB/T 20124 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (routine method) GB/T 20125 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method YB/T 4149 Continuously cast round billet for seamless steel tube rolling YB/T 5222 Quality hot rolled and forged carbon structural steel round tube blank IS0 10893-1 Non-destructive testing of steel tubes - Part 1: Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leak-tightness 3 Order contents The contract or order for ordering steel pipes according to this standard shall include the following contents: a) standard No.; b) product name; c) the steel grade, and the quality grade (if any); d) dimension and specification; e) the order quantity (total weight or total length); f) delivery state; g) special requirements. 4 Dimension, shape and weight 4.1 Outside diameter and wall thickness The nominal outside diameter (D) and nominal wall thickness (S) of steel pipes shall meet the requirements of GB/T 17395. As required by the purchaser, steel pipes with other outside diameter and wall thickness may be supplied upon agreement between the supplier and purchaser. 4.2 Tolerances for outside diameter and wall thickness 4.2.1 The tolerances for outside diameter of steel pipes shall meet those specified in Table 1. Table 1 Tolerances for outside diameter of steel pipes In: mm Steel pipe type Tolerance of outside diameter Hot rolled (expanded) steel pipe ±1% D or ±0.5, whichever is greater Cold drawn (rolled) steel pipe ±0.75% D or ±0.3, whichever is greater 4.2.2 The tolerances for wall thickness of hot rolled (expanded) steel pipes shall meet those specified in Table 2. Table 2 Tolerances for wall thickness of hot rolled (expanded) steel pipes In: mm Steel pipe type Nominal outside diameter D of steel pipe S/D Tolerance of wall thickness Hot rolled steel pipe ≤102 - ±12.5% S or ±0.4, whichever is greater >102 ≤0.05 ±15% S or ±0.4, whichever is greater >0.05~0.10 ±12.5% S or ±0.4, whichever is greater >0.10 ±12.5% S -10% S Hot expanded steel pipe - +17.5% S -12.5% S 4.2.3 The tolerances for wall thickness of cold drawn (rolled) steel pipes shall meet those specified in Table 3. Table 3 Tolerances for wall thickness of cold drawn (rolled) steel pipes In: mm Steel pipe type Nominal wall thickness S of steel pipe Tolerance Cold drawn (rolled) ≤3 or ±0.15, whichever is greater >3~10 ±12.5% S -10% S >10 ±10% S 4.2.4 As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, steel pipes beyond the dimensional tolerances specified in Tables 1, 2 and 3 may be supplied. 4.3 Length 4.3.1 Random length The random length of steel pipes is 3,000 mm to 12,000 mm. As required by the purchaser, steel pipes beyond the random length range may be supplied upon agreement between the supplier and purchaser. 4.3.2 Range length As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, steel pipes may be delivered in range length. 4.3.3 Cut and multiple lengths 4.3.3.1 As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, steel pipes may be delivered in cut length or multiple length. 4.3.3.2 Where the steel pipes are delivered in cut length or multiple length, their tolerances for length shall meet the following requirements: a) if the cut length is not greater than 6,000 mm, the tolerances shall be mm; b) if the cut length is greater than 6,000mm, the tolerances shall be mm; 4.3.3.3 Upon agreement between the supplier and the purchaser, pipes with other tolerances for cut lengths may also be supplied. 4.3.3.4 If the steel pipes are delivered in multiple length, notch allowance shall be reserved for each multiple length according to following requirements: a) if D≤159 mm, the notch allowance shall be 5 mm to10 mm; b) if D>159 mm, the notch allowance shall be 10 mm to 15 mm. 4.3.3.5 Upon agreement between the supplier and the purchaser, steel pipes with other notch allowances may be supplied. 4.4 Curvature 4.4.1 The curvature per meter of steel pipes shall meet those specified in Table 4. Table 4 Curvature of steel pipes Nominal wall thickness of steel pipe, S/ mm Curvature per meter/ (mm/m) ≤15 ≤1.5 >15~30 ≤2.0 >30 or D≥351 ≤3.0 4.4.2 The curvature of a steel pipe at full length shall not be greater than 0.15% of the total length of steel pipe. 4.5 Out-of-roundness and wall unevenness As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, the out-of-roundness and wall unevenness of steel pipes shall not exceed 80% of the tolerances for nominal outside diameter and nominal wall thickness respectively. 4.6 End shape 4.6.1 For the steel pipes with a nominal outside diameter of not greater than 60 mm, the oblique cutting at pipe end shall not exceed 1.5 mm; for those with a nominal outside diameter of more than 60 mm, the oblique cutting at pipe end shall not exceed 2.5% of the nominal outside diameter of steel pipe but shall not be greater than 6 mm at maximum. The oblique cutting of steel pipes is shown as Figure 1.
Foreword i 1 Scope 2 Normative references 3 Order contents 4 Dimension, shape and weight 4.1 Outside diameter and wall thickness 4.2 Tolerances for outside diameter and wall thickness 4.3 Length 4.4 Curvature 4.5 Out-of-roundness and wall unevenness 4.6 End shape 4.7 Weight 5 Technical requirements 5.1 Grade and chemical composition of steel 5.2 Manufacturing method 5.3 Delivery state 5.4 Mechanical property 5.5 Processing property 5.6 Hydraulic 5.7 Surface quality 5.8 Ultrasonic testing 5.9 Galvanized coating 6 Test methods 7 Inspection rules 7.1 Inspection and acceptance 7.2 Batching rules 7.3 Sampling quantity 7.4 Re-inspection and judgment rules 8 Packing, marking and quality certificate Annex A (Normative) Galvanized coating
Referred in GB/T 8163-2018:
*GB/T 222-2006 Permissible Tolerances for Chemical Composition of Steel Products
*GB/T 223.5-2008 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method
*GB/T 223.9-2008 Iron steel and alloy - Determination of aluminium content - Chrom azurol S photometric method
*GB/T 223.11-2008 Iron, Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration Method
*GB/T 223.12-1991 Methods for chemical analysis of iron,steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
*GB/T 223.14-2000 Methods for Chemical Analysis of Iron, Steel and Alloy - The N-Benzoy-N-Phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content
*GBT223.19-
*GB/T 223.26-2008 Iron, Steel and Alloy - Determination of Molybdenum Content - The Thiocyanate Spectrophotometric Method
*GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
*GB/T 223.40-2007 Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method
*GB/T 223.59-2008 Iron, Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony Phosphomolybdate Blue Spectrophotometric Method
*GB/T 223.63-2022 Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method
*GB/T 223.68-1997 Methods for Chemical Analysis of Iron, Steel and Alloy - The Potassium Iodate Titration Method after Combustion in the Pipe Furnace for the Determination of Sulfur Content
*GB/T 223.81-2007 Iron steel and alloy—Determination of total aluminum and total boron contents—Microwave digestion-inductively coupled plasma mass spectrometric method
*GB/T 223.84-2009 Steel and iron—Determination of titanium content—Diantipyrylmethane spectrophotometric method
*GB/T 223.86-2009 Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnace
*GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1: Method of test at room temperature
*GB/T 229-2020 Metallic materials—Charpy pendulum impact test method
*GB/T 241-2007 Metal materials—Tube—Hydrostatic pressure test
*GB/T 242-2007 Metal materials – Tube – Drift-expending test
*GB/T 246-2017 Metallic materials - Tube - Flattening test
*GB/T 2102-2022 Acceptance, packaging, marking and quality certification for steel tubular products
*GB/T 2975-2018 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing
*GB/T 4336-2016/XG1-2017 Carbon and low-alloy steel―Determination of multi-element contents―Spark discharge atomic emission spectrometric method (routine method), including Amendment 1
*GB/T 5777-2008 Seamless Steel Pipe and Tubing Methods for Ultrasonic Testing
*GB/T 7735-2016/XG1-2021 Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections, includes Amendment 1
*GB/T 12606-2016/XG1-2021 Automated full peripheral flux leakage testing of seamless and welded(except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections
*GB/T 17395-2008 Dimensions, shapes, masses and tolerances of seamless steel tubes
*GB/T 20066-2006 Steel and Iron-Sampling and Preparation of Samples for the Determination of Chemical Composition
*GB/T 20123-2006 Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)
*GB/T 20124-2006 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas
*GB/T 20125-2006 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method
*YB/T 4149-2018 Continuously cast round billet for seamless steel tube rolling
*YB/T 5222-2014 Quality hot rolled and forged carbon structural steel round tube blank
GB/T 8163-2018 is referred in:
*GB 50974-2014 Code of design on fire protection water supply and hydrant systems
*NB/T 47004.1-2017 Plate heat exchangers-Part 1:Plate-and-frame heat exchangers
*GB 50341-2014 Code for design of vertical cylindrical welded steel oil tanks
*SH/T 3167-2012 Steel welded low-pressure storage tanks
*GB 35848-2018 Commercial gas-burning appliance
*GB/T 19774-2005 Specification of water electrolyte system for producing hydrogen
*SY/T 4103-2006 Welding and acceptance standard for steel Pipings and pipelines
*JC/T 336-2006 Reciprocating Grate Cooler for Cement Industry
*SH/T 3041-2016 Specification for design of piping flexibility in petrochemical industry
*NB/T 47057-2017 Tank containers for liquefied gases
*GB/T 20801.2-2020 Pressure piping code - Industrial piping - Part 2: Materials
*HG/T 2268-2009 Technical specifications of steel vessel with mechanical agitating equipment
*NB/T 47064-2017 Tank container for dangerous liquid goods
*DL/T 5054-2016 Code for design of steam water piping in thermal power plant
*HG/T 20580-2020 Standard for design base of steel chemical vessels
*NB/T 47012-2020 Pressure vessels for refrigerant device
*GB/T 16508.2-2022 Shell boilers—Part 2:Materials
*GB/T 16508.2-2013 Shell Boilers - Part 2: Material
*GB 50072-2021 Standard for design of cold store
*HG/T 2130-2021 Glass lined pipes
*GB/T 24279.1-2018 Textiles-Determination of certain flame retardants-Part 1: Brominated flame retardants
*GB/T 2408-2008/XG1-2018 Plastics - Determination of burning characteristics - Horizontal and vertical test,includes Amnedment 1
*TSG D7002-2023 Pressure Piping Components Type Test Regulation
*GB 36894-2018 Risk criteria for hazardous chemicals production unit and storage installations
*GB/T 36664-2018 Ships and marine technology—Ship's mooring and towing fittings—Steel rollers
*GB 18078.1-2012 Health protection zone for agricultural and sideline food processing industry―Part 1:Slaughter,meat-processing industry
*TSG G0002-2010/XG1-2016 Supervision Administration Regulation on Energy Conservation Technology for Boiler,includes Amendment 1
*HG/T 21574-2018 Standard for design and selection of chemical equipment lifting lugs
*GB 50261-2017 Code for installation and commissioning of sprinkler systems
*GB/T 38097-2019 Urban heating—Prefabricated directly buried insulating pipes and fittings with polyurethane(PUR)foamed-plastics and glass fiber reinforced plastics protect layers
*GB/T 34611-2017 Rigid polyurethane spray polyethylene winding prefabricated directly buried insulating pipes
*GB/T 37261-2018 Ball joint compensator for district heating system
*CJ/T 246-2018 Preformed directly buried steam insulating pipes and fittings for urban heating
*GB/T 38105-2019 Urban heating—Steel jacket prefabricated directly buried pipes and fittings with vacuum insulating layers
*CJ/T 120-2008 Coating plastic steel pipe for water supply
*CECS 263-2009 Technical specification for large-space intelligent active control sprinkler systems
*GB/T 31032-2023 Welding and acceptance standard for steel pipings and pipelines
*JB/T 8532-2008 Pulse-bag filter
*GB/T 31036-2025 Proton exchange membrane fuel cell backup power system―Safety
Code of China
Standard
GB/T 8163-2018  Seamless steel pipes for liquid service (English Version)
Standard No.GB/T 8163-2018
Statusvalid
LanguageEnglish
File FormatPDF
Word Count10500 words
Price(USD)140.0
Implemented on2019-2-1
Deliveryvia email in 1 business day
Detail of GB/T 8163-2018
Standard No.
GB/T 8163-2018
English Name
Seamless steel pipes for liquid service
Chinese Name
输送流体用无缝钢管
Chinese Classification
H48
Professional Classification
GB
ICS Classification
Issued by
SAMR; SAC
Issued on
2018-05-14
Implemented on
2019-2-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
GB/T 8163-2008 Seamless steel tubes for liquid service
Language
English
File Format
PDF
Word Count
10500 words
Price(USD)
140.0
Keywords
GB/T 8163-2018, GB 8163-2018, GBT 8163-2018, GB/T8163-2018, GB/T 8163, GB/T8163, GB8163-2018, GB 8163, GB8163, GBT8163-2018, GBT 8163, GBT8163
Introduction of GB/T 8163-2018
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is drafted in accordance with the rules of GB/T 1.1-2009. This standard replaces GB/T 8163-2008 Seamless steel tubes for liquid service, and the following main technical changes have been made with respect to GB/T 8163-2008: —— the tolerances for the outside diameter and wall thickness of cold drawn (rolled) seamless steel pipes are modified (see 4.2.1 and 4.2.3 of this standard, 4.2.1 and 4.2.3 of Edition 2008); —— the tolerances for the wall thickness of hot expanded steel pipes are modified (see 4.2.2 of this standard and 4.2.2 of Edition 2008); —— the random length range and the tolerance requirements for cut length of steel pipes are modified (see 4.3.1 and 4.3.3.2 of this standard, 4.3.1 and 4.3.3.2 of Edition 2008); —— the steel grade Q295 and its relevant technical requirements are deleted (see 5.1.1 of Edition 2008); —— the chemical composition and carbon equivalent table of each grade high strength low alloy structural steels are added (see 5.1.3); —— the chemical composition table for steel of Grades 10 and 20 is added (see 5.1.2); —— the manufacturing method for extruded steel pipes is deleted (see 5.2.3 of Edition 2008); —— the requirement is deleted that the yield strength of each grade of steel pipe is graded according to the wall thickness of the pipe (see 5.4.1 of Edition 2008); —— the requirements for flattening test on steel of Grade Q390 are added (see 5.5.1); —— the requirement is deleted that the hydraulic test may be replaced by ultrasonic testing (see 5.5.4 of Edition 2008); —— negotiation clauses for ultrasonic non-destructive testing of steel pipe are added; —— the galvanized coating and related technical requirements are added (see 5.9 and Annex A). This standard was proposed by the China Iron and Steel Association. This standard is under the jurisdiction of the National Technical Committee on Iron and Steel of Standardization Administration of China (SAC/TC 183). The previous editions of this standard are as follows: —— GB/T 8163-1987, GB/T 8163-1999, and GB/T 8163-2008. Seamless steel pipes for liquid service 1 Scope This standard specifies the order contents, dimensions, shapes, weights, technical requirements, test methods, inspection rules, and packing, marking and quality certificate of seamless steel pipes for liquid service. This standard is applicable to seamless steel pipes for common fluid service. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 222 Permissible tolerances for chemical composition of steel products GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method GB/T 223.9 Iron, steel and alloy - Determination of aluminum content - Chrome azurol S photometric method GB/T 223.11 Iron steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method GB/T 223.12 Methods for chemical analysis of iron, steel and alloy - The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content GB/T 223.14 Methods for chemical analysis of iron, steel and alloy - The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content GB/T 223.19 Methods for chemical analysis of iron,steel and alloy - The neocuproine-chloroform extraction photometric method for the determination of copper content GB/T 223.23 Iron,steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method GB/T 223.26 Iron,steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method GB/T 223.37 Methods for chemical analysis of iron, steel and alloy - The indophenol blue photometric methods for the determination of nitrogen content after distillation separation GB/T 223.40 Iron, steel and alloy - Determination of niobium content by the sulphochlorophenol S spectrophotometric method GB/T 223.59 Iron, steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method GB/T 223.63 Methods for chemical analysis of iron, steel and alloy - The sodium(potassium)periodate photometric method for the determination of manganese content GB/T 223.68 Methods for chemical analysis of iron, steel and alloy - The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content GB/T 223.81 Iron,steel and alloy - Determination of total aluminum and total aluminum and total boron contents - Microwave digestion-inductively coupled plasma mass spectrometric method GB/T 223.84 Steel, iron and alloy - Determination of titanium content - Diantipyrylmethane spectrophotometric method GB/T 223.86 Steel, iron and alloy - Determination of total carbon content - Infrared absorption method after combustion in an induction furnace GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB/T 229 Metallic materials - Charpy pendulum impact test method GB/T 241 Metal materials - Tube - Hydrostatic pressure testing GB/T 242 Metallic materials - Tube - Drift expanding test GB/T 244 Metallic materials - Tube - Bend test GB/T 246 Metallic materials - Tube - Flattening test GB/T 2102 Acceptance, packing, marking and quality certification of steel pipe GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing GB/T 4336 Carbon and low-alloy steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method) GB/T 5777-2008 Seamless steel pipe and tubing methods for ultrasonic testing GB/T 7735-2016 Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections GB/T 12606-2016 Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections GB/T 17395 Dimensions, shapes, masses and tolerances of seamless steel tubes GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition GB/T 20123 Steel and iron - Determination of total carbon and sulfur content - Infrared absorption method after combustion in an induction furnace (routine method) GB/T 20124 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (routine method) GB/T 20125 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method YB/T 4149 Continuously cast round billet for seamless steel tube rolling YB/T 5222 Quality hot rolled and forged carbon structural steel round tube blank IS0 10893-1 Non-destructive testing of steel tubes - Part 1: Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leak-tightness 3 Order contents The contract or order for ordering steel pipes according to this standard shall include the following contents: a) standard No.; b) product name; c) the steel grade, and the quality grade (if any); d) dimension and specification; e) the order quantity (total weight or total length); f) delivery state; g) special requirements. 4 Dimension, shape and weight 4.1 Outside diameter and wall thickness The nominal outside diameter (D) and nominal wall thickness (S) of steel pipes shall meet the requirements of GB/T 17395. As required by the purchaser, steel pipes with other outside diameter and wall thickness may be supplied upon agreement between the supplier and purchaser. 4.2 Tolerances for outside diameter and wall thickness 4.2.1 The tolerances for outside diameter of steel pipes shall meet those specified in Table 1. Table 1 Tolerances for outside diameter of steel pipes In: mm Steel pipe type Tolerance of outside diameter Hot rolled (expanded) steel pipe ±1% D or ±0.5, whichever is greater Cold drawn (rolled) steel pipe ±0.75% D or ±0.3, whichever is greater 4.2.2 The tolerances for wall thickness of hot rolled (expanded) steel pipes shall meet those specified in Table 2. Table 2 Tolerances for wall thickness of hot rolled (expanded) steel pipes In: mm Steel pipe type Nominal outside diameter D of steel pipe S/D Tolerance of wall thickness Hot rolled steel pipe ≤102 - ±12.5% S or ±0.4, whichever is greater >102 ≤0.05 ±15% S or ±0.4, whichever is greater >0.05~0.10 ±12.5% S or ±0.4, whichever is greater >0.10 ±12.5% S -10% S Hot expanded steel pipe - +17.5% S -12.5% S 4.2.3 The tolerances for wall thickness of cold drawn (rolled) steel pipes shall meet those specified in Table 3. Table 3 Tolerances for wall thickness of cold drawn (rolled) steel pipes In: mm Steel pipe type Nominal wall thickness S of steel pipe Tolerance Cold drawn (rolled) ≤3 or ±0.15, whichever is greater >3~10 ±12.5% S -10% S >10 ±10% S 4.2.4 As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, steel pipes beyond the dimensional tolerances specified in Tables 1, 2 and 3 may be supplied. 4.3 Length 4.3.1 Random length The random length of steel pipes is 3,000 mm to 12,000 mm. As required by the purchaser, steel pipes beyond the random length range may be supplied upon agreement between the supplier and purchaser. 4.3.2 Range length As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, steel pipes may be delivered in range length. 4.3.3 Cut and multiple lengths 4.3.3.1 As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, steel pipes may be delivered in cut length or multiple length. 4.3.3.2 Where the steel pipes are delivered in cut length or multiple length, their tolerances for length shall meet the following requirements: a) if the cut length is not greater than 6,000 mm, the tolerances shall be mm; b) if the cut length is greater than 6,000mm, the tolerances shall be mm; 4.3.3.3 Upon agreement between the supplier and the purchaser, pipes with other tolerances for cut lengths may also be supplied. 4.3.3.4 If the steel pipes are delivered in multiple length, notch allowance shall be reserved for each multiple length according to following requirements: a) if D≤159 mm, the notch allowance shall be 5 mm to10 mm; b) if D>159 mm, the notch allowance shall be 10 mm to 15 mm. 4.3.3.5 Upon agreement between the supplier and the purchaser, steel pipes with other notch allowances may be supplied. 4.4 Curvature 4.4.1 The curvature per meter of steel pipes shall meet those specified in Table 4. Table 4 Curvature of steel pipes Nominal wall thickness of steel pipe, S/ mm Curvature per meter/ (mm/m) ≤15 ≤1.5 >15~30 ≤2.0 >30 or D≥351 ≤3.0 4.4.2 The curvature of a steel pipe at full length shall not be greater than 0.15% of the total length of steel pipe. 4.5 Out-of-roundness and wall unevenness As required by the purchaser and indicated in the contract upon the agreement between the supplier and the purchaser, the out-of-roundness and wall unevenness of steel pipes shall not exceed 80% of the tolerances for nominal outside diameter and nominal wall thickness respectively. 4.6 End shape 4.6.1 For the steel pipes with a nominal outside diameter of not greater than 60 mm, the oblique cutting at pipe end shall not exceed 1.5 mm; for those with a nominal outside diameter of more than 60 mm, the oblique cutting at pipe end shall not exceed 2.5% of the nominal outside diameter of steel pipe but shall not be greater than 6 mm at maximum. The oblique cutting of steel pipes is shown as Figure 1.
Contents of GB/T 8163-2018
Foreword i 1 Scope 2 Normative references 3 Order contents 4 Dimension, shape and weight 4.1 Outside diameter and wall thickness 4.2 Tolerances for outside diameter and wall thickness 4.3 Length 4.4 Curvature 4.5 Out-of-roundness and wall unevenness 4.6 End shape 4.7 Weight 5 Technical requirements 5.1 Grade and chemical composition of steel 5.2 Manufacturing method 5.3 Delivery state 5.4 Mechanical property 5.5 Processing property 5.6 Hydraulic 5.7 Surface quality 5.8 Ultrasonic testing 5.9 Galvanized coating 6 Test methods 7 Inspection rules 7.1 Inspection and acceptance 7.2 Batching rules 7.3 Sampling quantity 7.4 Re-inspection and judgment rules 8 Packing, marking and quality certificate Annex A (Normative) Galvanized coating
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