... . Grade:CK45,SCM440,SCM415,SCM435 Forged square bars SCM415Similar grade:20CrMo,SCM420,Size:150 x 150 to 600 x 600Chemical Composition:C ... ,S26C,S35C,S45C,S50C,S55C,S60C;Alloy Steel:SCM440,SCM420,SCM435,SCM415,SNCM220,SNCM439,SACM 645;Tool Steel:SKD61.Materials were ... supply to Korea,Europe,Taiwan,and other Area. Forged square bar SCM415 ...