Material is 42CrMo Hardness:47+/-2HRC Section , 415mm and 835 mm available Flattening tools ISO9001:2000 Flattening toolsAmada type toolsMaterial42CrMo=42CrMo4=SCM440=4140Holistic heat treatmentquenching + tempering + 860 °C Oil quenching + 390°C Tempering . General Hardness 47+/-2 HRCSupplying brands amada,tokyo,komats,strippit,trumpf,finn-power,LVD,beyeler Our customersShanghai ACL machinery CO ...