标准编号:ISO 3574:2008
中文名称:商品级和冲压级冷轧碳素钢薄板
英文名称:Cold-reduced carbon steel sheet of commercial and drawing qualities
发布日期:2008-04
标准范围
This International Standard applies to cold-reduced carbon steel sheet of commercial and drawingqualities. It is suitable for applications where the surface is of prime importance.Commercial quality sheet (CR1) is intended for general fabricating purposes where sheet is used in theflat condition or for bending, moderate forming, and welding operations. It is produced in thicknesses of0,36 mm and thicker (commonly produced up to 4 mm) and in widths of 600 mm and over, in coils and cutlengths.Drawing quality sheet (CR2, CR3, CR4, CR5) is intended for drawing or severe forming, includingwelding. It is produced in thicknesses of 0,36 mm and thicker (commonly produced up to 4 mm) and in widthsof 600 mm and wider, in coils and cut lengths. Drawing quality sheet is furnished according to all therequirements of this International Standard, or, by agreement when ordered, to fabricate an identified part, inwhich case, the mechanical property requirements do not apply. Drawing qualities are identified as follows:CR2 — Drawing qualityCR3 — Deep drawing qualityCR4 — Deep drawing quality aluminum killed (non-ageing)CR5 — Extra deep drawing quality (stabilized interstitial free)Interstitial free steel (IF steel) can be applied on orders of CR2, CR3 and CR4, provided that thecustomer is informed of the substitution and related shipping documents reflect the actual material shipped.Cold-reduced sheet less than 600 mm wide can be slit from wide sheet and will be considered as sheet