The success of hard chrome plating can be attributed to the many benefits and unique characteristics of the process. An increased hardness alone would be insufficient to secure widespread use due to the number of hard materials and hardening processes available. It is the combination of the improved qualities below that give chrome plating such remarkable results.
Increased Hardness
Electro-deposited chrome is extremely hard, typically 66-70 HRC. Through hard chrome plating, the surface hardness of your component is increased without modifying its properties.
Low Friction
Hard chrome has a very low coefficient of friction when compared to steel. This allows a component to operate at a lower temperature during operation, extending the life of your equipment.
Wear Resistance
The high hardness and low frictional properties of hard chrome, provide excellent resistance to abrasion and mechanical contact.
Corrosion Resistance
Hard chrome has a very high resistance to atmospheric oxidation and a good resistance to most oxidizing and reducing agents (with the exception to Chlorides and other Halides).
Sacrificial Wear Layer
Since hard chrome deposits can be removed in chrome shops with chemical strippers, without destructive effect to base material, the part can be stripped and re-plated repeatedly when worn.
Lubricant Retention
Microcrack characteristics of hard chrome allows for oil retention which improves lubricity of plated parts.
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