... ,such as Turbine,Mining machinery,Mechanical valve,Petroleum Machinery,Bearing mechanical, Mold,Paper machinery,Pharmaceutical Machinery centrifuge,Piston rod,Hydraulic ... HRC65; 12.Improve corrosion resistance; 13.It’s a nonabrasive process,without abrasive,felt,lapping compounds ... is little higher than the normal temperature,it's a nonabrassive process,without abrasive,felt,lapping compounds ...