Superseding
Chinese Name	�����ø�ǿ���������ְ弰�ִ� ��6���֣�����յ����Ը�
English Name
Chinese Standard Classification
Professional Classification
ICS Classification
Issued on	2010-9-2
Implemented on	2011-6-1
Abolished on
Issued by	AQSIQ,SAC
Chinese Pages
Word Count	3000 words

1  Scope
 This Part specifies the terms and definitions, classification and codification, size, shape, weight, technical requirements, inspection and test, packaging, marking and quality certificate, etc. for cold-rolled high strength transformation induced plasticity steel sheets and strips (hereinafter referred to as "steel sheets and strips").
 This Part is applicable to steel sheets and strips which are 0.50 mm~2.5 mm in thickness and mainly used for producing the structural and reinforcing parts of automobile.
2  Normative References
 The following documents contain provisions which constitute provisions of this Part through reference in this text. For dated reference, subsequent amendments to (excluding the corrections), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For any undated references, the latest edition of the document referred to applies.
 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 223.23 Iron Steel and Alloy-Determination of Nickel Content-The Dimethylglyoxime Spectrophotometric Method
 GB/T 223.26 Iron Steel and Alloy-Determination of Molybdenum Content-The Thiocyanate 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 223.59 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