Piston Ring For EMD645

Piston rings:
Matrix materials: nodular cast iron, alloy cast iron, vermicular cast iron, stainless steel, spring steel, etc.
Base material: nodular cast iron,alloy cast iron,vermicular cast iron,stainless steel,spring steel,etc.
Surface treatment: chromium foundation corundum ceramic composite plating, chromium base ceramic composite plating, hard chromium plating, plasma spraying (molybdenum, copper), supersonic flame spraying (HVOF), vapor deposition coating (PVD) and special coating technology;
Surface treatment:Diamond Chromium- ceramic Composite Plating,Chromium-ceramic Composite Plating,hard chrome plating,Plasma spraying(molybdenum,copper,etc),HVOF,PVD, and other special plating.
Bore: 180mm-1000mm;