... or high quality carbon structured steel via cold-rolls, electric heat and blue. Specification 1) Thickness: 0.36 - 1.2mm 2) ... stregnth : 650MPa -950MPa 4) Finish: Blue/painted/zinc5) Surface waxed/oiled, and edges deburred 6) Standard: AISI,ASTM,BS,DIN,GB,JIB7 ... 11/4" (1.0MMX19MM, 25.4MM, 32MM) Mechanical properties1)ordinary&Standard steel :the product is made from ordinary carbon structured and ...