... 303.heat treatment:Nitriding4.teeth face finish:hobbing5.standard:ASTM,BS Type of GearsSpur gear Bevel gearHelical gearStraight bevel gearHelical bevel ... MS, Alloy Steel, Carbon Steel, Cast Iron, as per ASTM, BS, IS, AISI, SAE Specification and customer requirements.Manufacturing Capacity and ... Strip Processing• Surface Mining• Petrochemical • Turbine Plant • Power Industry ASTM/BS standard bevel gear