... . Grade:CK45,SCM440,SCM415,SCM435 Forged square bars SCM415Similar grade:20CrMo,SCM420,Size:150 x 150 to ... %.Diameter tolerance:-0/+8mm.Straightness:Max 4mm/M.For Both end cutting.Other Steel Grade:Carbon Steel:S20C,S26C,S35C,S45C ... were supply to Korea,Europe,Taiwan,and other Area. Forged square bar SCM415,SCM435