GB/T 3280-2015 in English

《GB/T 3280-2015不锈钢冷轧钢板和钢带》由TC183（全国钢标准化技术委员会）归口，TC183SC6（全国钢标准化技术委员会钢板钢带分会）执行，主管部门为中国钢铁工业协会。
本标准规定了不锈钢冷轧钢板和钢带的分类、代号、尺寸、外形、重量及允许偏差、技术要求、试验方法、检验规则、包装、标志及质量证明书。
　　
　　本标准适用于耐腐蚀不锈钢冷轧宽钢带及其卷切定尺钢板、纵剪冷轧宽钢带及其卷切定尺钢带、冷轧窄钢带及其卷切定尺钢带，也适用于单张轧制的钢板。

1 Scope

This standard specifies cold rolled stainless steel plate, sheet and strip in terms of classification, symbols, order contents, dimension, shape, weight, tolerance, specification, test method, inspection rules, packaging, marking and quality certificate.
This standard applies to: wide corrosion resistant, cold rolled stainless steel strip (hereinafter referred to as wide steel strip) and coil cut cut-to-length steel plate (hereinafter referred to as coil cut steel plate); wide longitudinal trimming cold rolled steel strip (hereinafter referred to as wide longitudinal trimming steel strip) and coil cut cut-to-length steel strip (hereinafter referred to as coil cut steel strip I); narrow cold rolled steel strip (hereinafter referred to as narrow steel strip) and coil cut cut-to-length steel strip (hereinafter referred to as coil cut steel strip II); it also applies to single-rolled steel plate.

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 editions of the normative documents (including all the amendments) apply.
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 223.4 Alloyed Steel - Determination of Manganese Content - Potentiometric or Visual Titration Method
GB/T 223.5 Steel and iron-Determination of Acid-soluble Silicon and Total Silicon Content - Reduced Molybdosilicate Spectrophotometric Method
GB/T 223.8 Methods for Chemical Analysis of Iron, Steel and Alloy - the Sodium Fluoride Separation-EDTA Titration Method for the Determination of Aluminium Content
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 223.16 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 Iron Steel and Alloy-Determination of Nickel Content-The Dimethylglyoxime Spectrophotometric Method
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 223.26 Iron Steel and Alloy-Determination of Molybdenum Content-The Thiocyanate Spectrophotometric Method
GB/T 223.28 Methods for Chemical Analysis of Iron, Steel and Alloy; The α-denzoinoxime Gravimetric Method for the Determination of Molybdenum Content
GB/T 223.33 Methods for Chemical Analysis of Iron, Steel and Alloy; The Chlorophosphonazo mA Photometric Method for the Determination of Cerium Content after Extraction Separation
GB/T 223.36 Methods for Chemical Analysis of Iron, Steel and Alloy The Neutral Titration Method for the Determinaion of Nitrogen Content after Distillation Separation
GB/T 223.40 Iron Steel and Alloy - Detetmination of Niobium Content by the Sulphochlorophenol 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 223.58 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Arsenite-sodium Nitrite Titrimetric Method for the Determination of Manganese Content
GB/T 223.60 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 223.68 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 230.1 Metallic Materials - Rockwell Hardness Test - Part 1: Test Method (Scales A, B, C, D, E, F, G, H, K, N, T)
GB/T 231.1 Metallic Materials - Brinell Hardness Test - Part 1: Test Method
GB/T 232 Metallic Materials - Bend Test
GB/T 247 General Rule of Package Mark and Certification for Steel Plates (Sheets) and Strips
GB/T 708-2006 Dimension Shape Weight and Tolerance for Cold-rolled Steel Plates and Sheets
GB/T 2975 Steel and Steel Products - Location and Preparation of Test Pieces for Mechanical Testing
GB/T 4334 Corrosion of Metals and Alloys - Test Methods for Intergranular Corrosion of Stainless Steels
GB/T 4340.1 Metallic Materials-Vickers Hardness Test-Part 1: Test Method
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgement of Limiting Values
GB/T 11170 Stainless Steel - Determination of Multi-Element Contents - Spark Discharge Atomic Emission Spectrometric Method (Routine Method)
GB/T 17505 Steel and Steel Products: General Technical Delivery Requirements
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 20878-2007 Stainless and Heat-resisting Steels - Designation and Chemical Composition
YB/T 4334 Metallic Foil Material; Room-temperature Tensile Test Method

3 Classification and Symbols

3.1 Classification based on work hardening states:
a) 1/4 cold hardening state, H 1/4;
b) 1/2 cold hardening state, H 1/2;
c) 3/4 cold hardening state, H 3/4;
d) Cold hardening state, H;
e) Special cold hardening state, H2.
3.2 Classification based on edge trimming states:
a) Trimmed, EC;
b) Untrimmed, EM.
3.3 Classification based on dimension and shape accuracy grade:
a) General width precision, PW.A;
b) Higher width precision, PW.B;
c) Higher thickness precision, PT.A;
d) General thickness precision, PT.B;
e) General length precision, PL.A;
f) Higher length precision, PL.B;
g) General plainness precision, PF.A;
h) Higher plainness precision, PF.B;
i) General camber precision, PC.A;
j) Higher camber precision, PC.B.

Foreword I
1 Scope
2 Normative References
3 Classification and Symbols
4 Order Content
5 Dimensions, Shapes, Weight and Permissible Deviations
6 Specifications
7 Test Method
8 Inspection Rules
9 Packaging, Marking and Quality Certificate
Appendix A (Informative) Stainless Steel Designation Comparison Table in Different Countries
Appendix B (Informative) Characteristics and Purposes of Stainless Steel
Appendix C (Informative) Heat Treatment System of Stainless Steel