GB/T 20564.10-2017 PDF in English
GB/T 20564.10-2017 (GB/T20564.10-2017, GBT 20564.10-2017, GBT20564.10-2017)
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GB/T 20564.10-2017 | English | 135 |
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Continuously cold rolled high strength steel sheet and strip for automobile -- Part 10: Twinning induced plasticity steel
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Standards related to (historical): GB/T 20564.10-2017
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GB/T 20564.10-2017: PDF in English (GBT 20564.10-2017) GB/T 20564.10-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.50
H 46
Continuously Cold Rolled High Strength
Steel Sheet and Strip for Automobile –
Part 10. Twinning Induced Plasticity Steel
ISSUED ON. SEPTEMBER 07, 2017
IMPLEMENTED ON. JUNE 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 6
4 Classification and Grade Expression Method ... 6
5 Ordering Content ... 7
6 Dimension, Shape, Weight ... 7
7 Technical Requirements ... 8
8 Test Method ... 9
9 Inspection Rules ... 10
10 Package, Mark and Quality Certificate ... 10
Appendix A (Informative) Chemical Compositions of Steel ... 11
Foreword
GB/T 20564 Continuously Cold Rolled High Strength Steel Sheet and Strip for
Automobile can be divided into the following 11 parts.
--- Part 1. Bake Hardening Steel;
--- Part 2. Dual Phase Steel;
--- Part 3. High Strength Interstitial Free Steel;
--- Part 4. High Strength Low Alloy Steel;
--- Part 5. Isotropic Steel;
--- Part 6. Transformation Induced Plasticity Steel;
--- Part 7. Martensitic Steel;
--- Part 8. Complex Phase Steel;
--- Part 9. Quenching and Partitioning Steel;
--- Part 10. Twinning Induced Plasticity Steel;
--- Part 11. Carbon Manganese Steel.
This Part belongs to Part 10 of GB/T 20564.
This Part was drafted as per the rules specified in GB/T 1.1-200.
This Part was proposed by China Iron and Steel Industry Association.
This Part shall be under the jurisdiction of National Technical Committee for
Standardization of Steels (SAC/TC 183).
Drafting organizations of this Part. Shougang Corporation, China Metallurgical
Information and Standardization Institute, and Angang Steel Company Limited.
Chief drafting staffs of this Part. Kuang Shuang, Liu Jun, Zhang Weixu, Guo Jinyu,
Tang Mu, Li Qian, Su Haolu, Shi Li, Lin Zhifeng, and Han Yun.
Continuously Cold Rolled High Strength
Steel Sheet and Strip for Automobile –
Part 10. Twinning Induced Plasticity Steel
1 Scope
This Part of GB/T 20564 specifies the terms and definitions, classification and grade
expression method, ordering content, dimension, shape, weight, technical
requirements, test methods, inspection rules, package, mark and quality certificate of
continuously cold rolled twinning induced plasticity high strength steel sheet and strip.
This Part is applicable to steel sheet and strip (hereinafter referred to as “steel sheet
and strip”) manufactured automotive complex structural parts, reinforcements, etc.,
with the thickness of 0.50mm~3.00mm.
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 document.
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 223.9 Iron Steel and Alloy - Determination of Aluminum Content - Chrom
Azurol S Photometric 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 223.60 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon
Content
GB/T 223.68 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 223.71 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 223.79 Iron and Steel - Determination of Multi-Element Contents - X-Ray
Fluorescence Spectrometry
GB/T 228.1-2010 Metallic Materials - Tensile Testing - Part 1. Method of Test at
Room Temperature
GB/T 247 General Rule of Package, Mark and Certification for Steel Plates
(Sheets) and Strips
GB/T 708 Dimension, Shape, Weight, and Tolerance for Cold-Rolled Steel Plate
and Strip
GB/T 2523 Measuring Method of Surface Roughness and Peak Count for Cold-
Rolled Metal Sheet (Strip)
GB/T 2975 Steel and Steel Products - Location and Preparation of Test Pieces for
Mechanical Testing
GB/T 4336 Carbon and Low-Alloy Steel - Determination of Multi-Element Contents
-Spark Discharge Atomic Emission Spectrometric Method (Routine Method)
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and
Judgement of Limiting Values
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 20125 Low-Alloy Steel - Determination of Multi-Element Contents -
Inductively Coupled Plasma Atomic Emission Spectrometric Method
GB/T 20126 Unalloyed Steel - Determination of Low Carbon Content - Part 2.
Infrared Absorption Method after Combustion in an Induction Furnace (with
Preheating)
400/950 – specified minimum yield strength value/specified minimum tensile strength value, in
MPa;
TW - characteristic letters of “Twinning induced plasticity”.
5 Ordering Content
5.1 The contract or ordering list that orders products as per this part include the
following contents.
a) Product name (steel sheet and strip);
b) This Part’s number;
c) Grade;
d) Specification and dimension, roughness;
e) Surface quality levels;
f) Surface structure;
g) Edge state;
h) Packaging mode;
i) Weight;
j) Usage;
k) Other special requirements.
5.2 If the following information are not specified in the ordering contract, such as
dimension, roughness, surface quality level, surface structure type, edge state and
package, etc.; then the products in this Part shall be delivered as per the ordinal
dimension, roughness accuracy, relative high surface, pitting surface structure, cutting
edge state, and packaged as per the packaging mode provided by the supplier.
6 Dimension, Shape, Weight
The dimension, shape, weight and allowable weight of steel sheet and strip shall
conform to the provisions of GB/T 708.
...... Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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