SCM440 Forging Steel Bar SCM440 State:hot forging+normalizing+turning Size:90mm to ... :3 or 4 meter or as request SCM440 Forging Steel Bar SCM440 Steel Grade: AISI1020,AISI1040,AISI1045,AISI1050, CK15,C22,C45,CK45 ... ,40Cr,Q345D,Q345E,Q390;42CrMo,20CrMo,38CrMoAl,40CrNiMo;48CrMo,5CrNiMo, SCM415,SCM420,SCM440,SNCM439,SNCM220; SACM645,SAE4140,SAE4130,SAE9840,SAE4340,AISI4145H ...