... tempered provided 4. Cutting service provide ASTM 4130 steel DIN1.7220/JIS SCM 430 Specification: Dia: 200~1000mm Length:2000-13000mm ... : AISI 4130,ASTM 4130 ,JIS: SCM430,JIS: SCM2,DIN: 1.7220, 30CrMo2. Specification: Dia: 80~800mm Length:2000-13000mm or as ... AISI 4130,ASTM 4130 ,JIS SCM430,JIS SCM2,DIN 1.7220, 30CrMo