GB/T 14976-2012 in English

《GB/T 14976-2012流体输送用不锈钢无缝钢管》由TC183（全国钢标准化技术委员会）归口，TC183SC1（全国钢标准化技术委员会钢管分会）执行，主管部门为中国钢铁工业协会。

1 Scope

This standard specifies the classification, code number, order contents, dimension, appearance, weight, technical requirements, test methods, inspection rules, package, marks and quality certificate of seamless stainless steel pipes for fluid transport.
This standard is applicable to the seamless stainless steel pipes for fluid transport (hereinafter referred to as steel pipes).

2 Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the dated versions apply to this standard. For undated references, the latest edition of the normative document (include all the amendments) is applicable to this Standard.
GB/T 222 “Permissible Tolerances for Chemical Composition of Steel Products”
GB/T 223.9 “Iron, Steel and Alloy - Determination of Aluminum 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 223.16 “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 223.25 “Methods for Chemical Analysis of Iron, Steel and Alloy - The Dimethylglyoxime Gravimetric Method for the Determination of Nickel Content”
GB/T 223.28 “Methods for Chemical Analysis of Iron Steel and Alloy; the D-denzoinoxime Gravimetric Method for the Determination of Molybdenum Content”
GB/T 223.36 “Methods for Chemical Analysis of Iron, Steel and Alloy - The Neutral Titration Method for the Determination of Ammonia Content after Distillation Separation”
GB/T 223.40 “Iron Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method”
GB/T 223.60 “Methods for Chemical Analysis of Iron, Steel and Alloy The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content”
GB/T 223.62 “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 223.68 “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 228.1 “Metallic Material - Tensile Test - Part 1: Ambient-temperature Test”
GB/T 241 “Metal Materials-Tubes-Hydrostatic Pressure Testing”
GB/T 242 “Metallic Materials-Tube-Drift Expanding Test”
GB/T 246 “Metallic Materials-Tube-Flattening Test”
GB/T 2102 “Acceptance, Packing, Marking and Certification of Pipe”
GB/T 2975 “Steel and Steel Products--Location and Preparation of Test Pieces for Mechanical Testing”
GB/T 4334-2008 “Corrosion of Metals and Alloys - Test Methods for Intergranular Corrosion of Stainless Steels”
GB/T 5777-2008 “Seamless Steel Pipe and Tubing Methods for Ultrasonic Testing
GB/T 7735-2004 “Steel Tubes-The Inspection Method on Eddy Current Test”GB/T 11170 “Stainless Steel - Determination of Multi-element Contents - Spark Discharge Atomic Emission Spectrometric Method (Routine Method)”
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”
GB/T 20878 “Stainless and Heat-resisting Steels - Designation and Chemical Composition”

3 Classification and Code

1 Scope
2 Normative References
3 Classification and Code
4 Ordering Information
5 Dimension, Appearance and Weight
6 Technical Requirements
7 Test Methods
8 Inspection Rules
9 Packaging, Marking and Quality Certificate
Appendix A (Informative) Designation Comparison Table of Stainless Steel