Alloy Steel plates and round bars hot rolled and forged cold work tool steel machined and peeled and grinded alloy steel round bar Grade: 4130 4140 4145 4150 5140 8620 4340 52100 SCM420 42CrMo4 Standard: AISI, ASTM, BS, DIN, GB, JIS Technique: Forged Process: EAF+LF+VD Delivery time: 60~70 days Packing: Standard export packing