greco fighter steel

[rctk1]

i just recently acquired a greco fixed blade MST tactical knife, can anyone tell me what kind of steel is used for this brute? thanks

 

[Keith Montgomery]

Greco uses 8670 which is a German tool steel.

Carbon: .70-.75%
Chromium: .4%
Nickel: .85%
Silicon: .25%
Manganese: .5%
Sulfur: .025%
Phosphorus: .025%

His older knives were made from A-2.

 

[FullerH]

Whatever the steel, the three Greco knives that I have are Hell-for-leather tough, I'll tell you that.