... price Commodity: Forged steel round barGrade: SCM440, delivery condition: as forged.Similar garde:AISI4140,42CrMo4Chemical Composition :C : 0.42 - 0.47% , Si ... Steel:S20C,S26C,S35C,S45C,S50C,S55C,S60C;Alloy Steel:SCM440,SCM420,SCM435,SCM415,SNCM220,SNCM439,SACM 645;Tool Steel:SKD61 ...