a black sheet steel that rolled by a process, which does not use the hot temperature to burn. Which yields a white plate steel (Cold Rolled Steel Plate). Typically used in delicacy and splendidly work such as automobile, air conditioner, raw material for the galvanizing etc.
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Cold reduced carbon steel for commercial and drawing qualities
CR1
0.15 - 3.2
750 - 1,550
15 - 31
Cold reduced carbon steel for commercial and drawing qualities