O2 (Werkstoff 1.2842) is a decent performer in light/medium use knives with a working hardness of 63-65HRc.
Chemical Composition:-
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C:
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Cr:
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Mn:
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V:
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Mo:
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0.9%
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0.4%
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2%
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0.15%
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0.4
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Suggested Heat Treatments:
Heat to 800C Hold for 10 minutes
Oil Quench (Suggested Oil is Rye 32)
Temper twice for two hours at 200C for 63HRc
Supplied in 500mm Lengths – Surface Ground Annealed