1 Scope
This standard specifies the classification and codification, dimension, shape, weight, technical requirements, inspection and test, packaging, marking and quality certificate, etc. for cold rolled low carbon steel sheet and strip (hereinafter referred to as "steel sheets and strips").
This standard is applicable to cold rolled low carbon steel sheets and strips which are 0.30mm~3.5mm in thickness and used in automobile, household appliance and other industries.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated reference, subsequent amendments to (excluding any corrigendum), 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 223.9 Iron Steel and Alloy - Determination of Aluminium Content - Chrom Azurol S Photometric 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 223.17 Methods for Chemical Analysis of Iron, Steel and Alloy - The Diantipyrylmethane Photometric Method for the Determination of Titanium Content
GB/T 223.40 Iron Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric 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 223.63 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium (potassium) Periodate Photometric Method for the Determination of Manganese Content
GB/T 223.64 Methods for Chemical Analysis of Iron, Steel and Alloy - The Flame Atomic Absorption Spectrometric Method for the Determination of Manganese Content
GB/T 228 Metallic Materials - Tensile Testing at Ambient Temperature (GB/T 228-2002, eqv ISO 6892: 1998)
Foreword i
1 Scope
2 Normative References
3 Classification and Codification
4 Ordering Information
5 Dimensions, Shape, Weight and Permissible Deviation
6 Technical Requirements
7 Inspection and Test
8 Packaging, Marking and Quality Certificate
9 Numerical Rounding
10 Cross Reference between Domestic and Foreign Designations
Appendix A (Informative) Chemical Composition of Steels
Appendix B (Informative) Cross Reference between Domestic and Foreign Designations
