Standard No.:	GB/T 13793-2016
English Name:	Straight seam welded steel pipe
Chinese Name:	直缝电焊钢管
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:	AQSIQ AND SAC
Issued on:	2016-08-29
Implemented on:	2017-7-1
Status:	valid
Superseding:	GB/T 13793-2008 Steel Pipes with a Longitudinal Electric (Resistance) Weld
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	120.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the classification, code, order details, dimension, shape, mass, permissible variation, technical requirements, test methods, inspection rules, marking, packing and quality certification of steel pipes with a longitudinal electric (resistance) weld. This standard is applicable to steel pipes (not greater than 711mm in outer diameter) with a longitudinal electric (resistance) weld used in machinery and building structures and may also be applicable to the welded steel pipes for general fluid transportation. 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 (include any amendments) applies. GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223.3 Methods for Chemical Analysis of Iron, Steel and Alloy - The Diantipyrylmethane Phosphomolybdate Gravimetric Method for the Determination of Phosphorus Content GB/T 223.5 Steel and Iron - Determination of Acid-soluble Silicon and Total Silicon Content – Reduced Silicomolybdicate Spectrophotometric Method GB/T 223.9 Iron Steel and Alloy - Determination of Aluminium Content – Chrom 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-Benzoyl-N-Phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content GB/T 223.16 Methods for Chemical Analysis of Iron, Steel and Alloy - The Chromotropic Acid Photometric Method for the Determination of Titanium Content GB/T 223.18 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Thiosulfate Separation Iodimetric Method for the Determination of Copper 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 Methods for Chemical Analysis of Iron, Steel and Alloy - The Dimethylglyoxime Spectrophotometric Method for the Determination of Nickel Content GB/T 223.32 Methods for Chemical Analysis of Iron, Steel and Alloy - The Hypophosphite Reduction-iodimetric Method for the Determination of Arsenic Content 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 Sulfochlorophenol S Spectrophotometric Method GB/T 223.53 Methods for Chemical Analysis of Iron, Steel and Alloy - The Flame Atomic Absorption Spectrophotometric Method for the Determination of Copper Content GB/T 223.54 Methods for Chemical Analysis of Iron, Steel and Alloy - The Flame Atomic Absorption Spectrophotometric Method for the Determination of Nickel Content GB/T 223.58 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Arsenite-sodium Nitrite Titrimetric Method for the Determination of Manganese Content 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 223.60 Methods for Chemical Analysis of Iron, Steel and Alloy - The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content GB/T 223.61 Methods for Chemical Analysis of Iron, Steel and Alloy - The Ammonium Phosphomolybdate Volumetric Method for the Determination of Phosphorus Content GB/T 223.62 Methods for Chemical Analysis of Iron, Steel and Alloy - The Butyl Acetate Extraction Photometric Method for the Determination of Phosphorus Content 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 223.64 Iron Steel and Alloyed - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method GB/T 223.67 Iron Steel and Alloy - Determination of Sulfur Content -Methylene Blue Spectrophotometric Method

Foreword i 1 Scope 2 Normative References 3 Classification and Code 4 Order Details 5 Dimension, Shape, Mass and Permissible Variation 6 Technical Requirements 7 Test Methods 8 Inspection Rules 9 Marking, Packing and Quality Certification Annex A (Normative) Uniformity Test of Galvanized Coating - Copper Sulfate Immersion Method Annex B (Normative) Unit Mass Determination of Galvanized Coating - Antimony Chloride Method

*GB/T 222-2006 Permissible Tolerances for Chemical Composition of Steel Products
*GB/T 223.3-1988
*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
*GB/T 223.16-1991 Methods for Chemical Analysis of Iron, Steel and Alloy - The Chromotropic Acid Photometric Method for the Determination of Titaninm Content
*GB/T 223.18-1994 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Thiosulfate Separation Iodimetric Method for the Determination of Copper Content
*GB/T 223.19-1989
*GB/T 223.23-2008 Iron, Steel and Alloy-Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric Method
*GB/T 223.32-1994 Methods for Chemical Analysis of Iron, Steel and Alloy - The Hypophosphite Reduction-Iodimetric Method for the Determination of Arsenic Content
*GB/T 223.37-1989 Methods for Chemical Analysis of Iron, Steel and Alloy - the Indophenol Blue Photometric Method for the Determination of Nitrogen Content after Distillation Separation
*GB/T 223.40-2007 Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method
*GB/T 223.53-1987
*GB/T 223.54-1987
*GB/T 223.58-1987
*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 223.60-1997 Methods for chemical analysis of iron,steel and alloy The perchloric acid dehydration gravimetric method for the determination of silicon content
*GB/T 223.61-1988 Methods for chemical analysis of iron, steel and alloy; The ammonium phosphomolybdate volumetric method for the determination of phosphorus content
*GB/T 223.62-1988 Methods for chemical analysis of iron, steel and alloy; The butyl acetate extraction photometric method for the determination of phosphorus content
*GB/T 223.63-1988
*GB/T 223.64-2008 Iron, Steel and Alloy - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method
*GB/T 223.67-2008 Iron, Steel and Alloy - Determination of Sulfur Content - Methylene Blue 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 223.69-2008 Iron, Steel and Alloy-Determination of Carbon Contents- Gas-volumetric Method after Combustion in the Pipe Furnace
*GB/T 223.71-1997 Methods for Chemical Analysis of Iron, Steel and Alloy the Gravimetric Method after Combustion in the Pipe Furnace for the Determination of Carbon Content
*GB/T 223.72-2008 Iron, Steel and Alloy - Determination of Sulfur Content - Gravimetric Method
*GB/T 223.74-1997 Methods for chemical analysis of iron,steel and alloy The combustion gravimetric/gas-volumetric method for the determination of combined carbon content
*GB/T 228.1-2010 Metallic materials - Tensile testing - Part 1 : Method of test at room temperature
*GB/T 229-2007 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 244-2008 Metallic materials - Tube - Bend test
*GB/T 246-2007 Metal materials – Tube - Flattening test
*GB/T 699-2015 Quality carbon structural steels
*GB/T 700-2006 Carbon structural steels
*GB/T 1591-2008 High Strength Low Alloy Structural Steels
*GB/T 2102-2006 Acceptance packing marking and quality certification of steel pipe
*GB/T 2650-2008 Impact test methods on welded joints
*GB/T 2651-2008 Tensile test method on welded joints
*GB/T 2975-1998 Steel and Steel Products - Location and Preparation of Test Pieces for Mechanical Testing
*GB/T 4336-2016 Carbon and low-alloy steel―Determination of multi-element contents―Spark discharge atomic emission spectrometric method (routine method)
*GB/T 7735-2004 Steel tubes - The inspection Method On Eddy Current Test
*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 20125-2006 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method
*GB/T 21835-2008 Dimensions and Masses per Unit Length of Welded Steel Pipes
*SY/T 6423.2-2013 Petroleum and natural gas industries—Non-destructive testing (NDT) methods of steel tubes—Part2:Automated ultrasonic testing of the weld seam of welded steed tubes for the detection of longitudinal and/or transverse imperfections