... 2-303.heat treatment:Nitriding4.teeth face finish:hobbing5.standard:ASTM,BS Type of GearsSpur gear Bevel gearHelical gearStraight bevel ... : MS, Alloy Steel, Carbon Steel, Cast Iron, as per ASTM, BS, IS, AISI, SAE Specification and customer requirements.Manufacturing Capacity ... SugarSteel• Strip Processing• Surface Mining• Petrochemical • Turbine Plant • Power Industry ASTM/BS standard bevel gear