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HomeProductsHard Materials BusinessKH Hard AlloysWhat are KH hard alloys? > Properties of KH / Abrasion resistance

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Properties of KH / Abrasion resistance

KH exhibits superior abrasion resistance against slurry wear and sliding wear. In addition, the abrasion between KH materials (measured by the Okoshi method abrasion test) is also suppressed with self-lubrication properties.

Slurry abrasion test

Okoshi method abrasion test

Shot blast abrasion test

KH has good properties in terms of powder abrasion. It displays high performance even under high temperature.


SiO2: 60%, Al2O3: 20%, and others (CaO, etc.)

Average particle size: 17 μm

Blowing angle: 45°

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