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:	SAIC AND 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

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

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