... , CF8,CF8M,CF3,CF3M, carbon steelC20,ZG45,WCB,WCC, alloy steel etc4.Standard: ASTM,AISI,DIN,JIS,BS etc5. strict material ... CT4-68. Weight range : 0.05--50kg9. Application: industrial parts , machinery parts, auto parts, valve parts, pump part, train, craft, door handle, construction, hardware, orthotics ...