... ,excavator,mining machine etc. Features to Wear Bar,Wear Part,Mining Machinery Part: 1.Material & standard:High Manganese steel,high Chromium ... GB,ASTM. (ASTM A532 CassII D grade)2.Moulding processing:Waterglass sand,Lost wax.3.Melting facilities:medium frequency induction ... machine,hammer mill,dredging vessel,construction engineering machines.8. Part Unit weight range: from 1.0kg up to 5000kgs. ...