Loose hole plating chromic layer by weight used in the sliding friction parts and heat resistance, corrosion, wear parts, such as internal combustion engine cylinder lumen, piston rings.
松孔镀铬层应用于受重压的滑动摩擦件及耐热、抗蚀、耐磨零件，如内燃机汽缸内腔、活塞环等。
2
This surface has extreme hardness (60 RC. ), excellent wear and corrosion resistance, and low coefficient of friction.
这表面有极高的硬度（60局。），耐磨性和耐腐蚀性，低摩擦系数。
3
Titanium nitride coating has great application in industry owing to its superior properties, such as good wear and corrosion resistance, low friction coefficient and good thermal barrier properties.