Material information

Our material is all Japanese steel only.
・AUS-8(8A)
It is used for kitchen knives.AICHI steel company produce.
C:0.8% Cr13% Mo:0.25% V:0.2%
Hardness is HRC59-61

・AUS-10(10A)
It is used for kitchen knives.AICHI steel company produce.
C:1.0% Cr13% Mo:0.25% V:0.2%
Hardness is HRC59-61

・440C
Hardest stainless steel.AICHI steel company produce.
C:1.0% Cr:17% Mo: 0.75%
Hardness is HRC58-60
・V gold 10(VG10,V10)
Cobalt alloy stainless steel.Takefu special steel company produce.
C:1.0% Cr:15% Mo:1.0% V:0.3% Co:1.4%
Hardness is HRC58-60

・ATS314
Cobalt alloy stainless steel.Hitach steel company produce.
The content is secret
Hardness is HRC58-60
・Molybdenum steel
Cobalt alloy stainless steel. AICHI steel company produce.
The content is secret
Hardness is HRC58-60
More Co,Cr and Mo is contained than V gold 10

・Super Gold
Powder steel.Takefu special steel company produce.
The content is secret.
Hardness is HRC60-62
 
C: Carbon, Cr: Chromium, Mo: Molybdenum, V: Vanadium, Co: Cobalt, W: Tungsten

Much "C" means good longlasting. Much "Cr" means hard to rust.Much "Mo" means good longlasting.Much "V" means hard to rust. Much "Co" means good longlasting.
Much "W" means good cutting.
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