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ANSWER: ISO 3574 steel specification is the cold rolled or cold reduced carbon steel sheet of commercial and drawing quality steels . It is suitable for applications where the surface is of prime importance.
The applicable thickness of CR4 steel strip is 0.36-4 mm.
CR4 steel delivery under steel sheet, wide strip, slit wide strip, narrow strip or cut lengths obtained from slit wide strip, narrow strip or sheet.
CR4 steel is deep drawing aluminum killed non aging quality steel.
The carbon composition of CR4 is not more than 0.08%.
The yield strength of CR4 is max 210MPa, tensile strength is max 350MPa, Elongation A80 is min 37% , R value: 1.4min, n value 0.19min
