... Length:3 or 4 meter or as request SCM440 Forging Steel Bar SCM440 Steel Grade: AISI1020,AISI1040,AISI1045,AISI1050, CK15,C22,C45,CK45 ... Note:Forged tube, forged square, forged shaft, forged alxs,forged wind turbine main shaft,ship shaft and other finishing service can be supplied ...