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GB/T 13793-2016 English PDF (GBT13793-2016)

GB/T 13793-2016 English PDF (GBT13793-2016)

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GB/T 13793-2016: Steel pipes with a longitudinal electric (resistance) weld

This standard specifies the classification and code, ordering content, size, shape, weight and allowable deviations, technical requirements, test methods, inspection rules, marking, packaging and quality certificates of the steel pipes with a longitudinal electric (resistance) weld.
GB/T 13793-2016
GB
NATIONAL STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
ICS 77.140.75
H 48
Replacing GB/T 13793-2008
Steel pipes with a longitudinal
electric (resistance) weld
ISSUED ON. AUGUST 29, 2016
IMPLEMENTED ON. JULY 01, 2017
Issued by. General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of PRC.
Table of contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Classification and code ... 9
4 Order content ... 9
5 Size, shape, weight and allowable deviation ... 10
6 Technical requirements ... 15
7 Test methods ... 21
8 Inspection rules ... 23
9 Marking, packaging and quality certificates ... 24
APPENDIX A (Normative) Uniformity test for galvanized layer - Copper sulfate impregnation method ... 25
APPENDIX B (Normative) Unit weight measurement of galvanized layer -
Antimony chloride method ... 27
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 13793-2008 ?€?Steel pipes with a longitudinal electric (resistance) weld?€?. As compared with GB/T 13793-2008, the main changes are as follows.
- MODIFY the scope of application;
- MODIFY the allowable dimensional deviations;
- MODIFY the allowable deviation of sizing length and length of double length; - MODIFY the weight conversion factor of galvanized steel pipe;
- ADD the designation Q275, Q390, Q420, Q460; DELETE the designation
Q295 AND its technical requirements;
- DELETE the post-weld cold and hot working methods from the
manufacturing method;
- MODIFY the mechanical property requirements of Q195;
- ADD the sampling methods and sampling locations for tensile test;
- MODIFY the transverse tensile test requirements of welds;
- MODIFY the non-destructive testing requirements of welds in steel pipes; - MODIFY the galvanized layer weight requirements;
- MODIFY the conversion factor of the unit weight and thickness of
galvanized layer.
This standard was proposed by the China Iron and Steel Association.
This standard shall be under the jurisdiction of the National Steel
Standardization Technical Committee (SAC/TC 183).
This standard was drafted by Zhejiang Jinzhou Pipeline Technology Co., Ltd., Tianjin Youfa Steel Pipe Group Co., Ltd., Tianjin Juncheng Steel Pipe Group Co., Ltd., Jinghua Innovation Group, National Petroleum and Natural Gas Pipeline Engineering Technology Research Center (Baoji Petroleum Steel Pipe Co., Ltd.), Anji Zhongyuan Pipe Industry Co., Ltd., Qian'an Zhengda Steel Pipe Co., Ltd., Metallurgical Industry Information Standards Institute.
Steel pipes with a longitudinal
electric (resistance) weld
1 Scope
This standard specifies the classification and code, ordering content, size, shape, weight and allowable deviations, technical requirements, test methods, inspection rules, marking, packaging and quality certificates of the steel pipes with a longitudinal electric (resistance) weld.
This standard applies to the steel pipes with a longitudinal electric (resistance) weld which is used for machinery, construction and other structural purposes, AND for which the outer diameter is not greater than 711 mm; it is also applicable to the welded steel pipes for general fluid delivery services. 2 Normative references
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this Standard.
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 molybdosilicate 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- Benzoy-N-Pheylhydroxylamine 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 - The iodometric method for the determination of copper content
GB/T 223.19 Methods for chemical analysis of iron, steel and alloy - The NHCM - chloride-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-iodometric method for the determination of arsenic content
GB/T 223.37 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 Iron, steel and alloy - Determination of niobium content by the suphochlorosulfonol 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 titration 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 periodate (potassium) photometric method for the determination of manganese content
GB/T 223.64 Iron, steel and alloy - 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
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 223.69 Iron, steel, and alloy - Determination of carbon contents - Gas- volumetric method after combustion in the pipe furnace
GB/T 223.71 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 Iron, steel and alloy - Determination of sulfur content -
Gravimetric method
GB/T 223.74 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 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 Metallic materials - Tube - Hydrostatic pressure test
GB/T 242 Metallic materials - Tube - Flaring test
GB/T 244 Metallic materials - Tube - Bend test
GB/T 246 Metallic materials - Tube - Flattening test
GB/T 699-2015 Quality carbon structural steel
GB/T 700-2006 Carbon structural steels
GB/T 1591-2008 High strength low alloy structural steels
GB/T 2102 Acceptance, packing, marking and quality certification of steel pipe
GB/T 2650 Impact test methods for welded joint
GB/T 2651 Tensile test method on welded joints
GB/T 2975 Steel and steel products - Location and preparation of test pieces for mechanical testing
...

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