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D2 Steel

D2 steel is an air-hardening, high-carbon and high-chromium tool steel. It has high wear and abrasion-resistant properties. It is heat treatable and offers hardness in the range 55-62 HRC and is machinable in the annealed condition. D2 steel shows little distortion on correct hardening. D2 steel is an air-hardened tool steel that is considered semi-stainless because of its high chromium content. It’s easy to work on the same and looks nice, but because it’s air-hardened steel nobody can’t differentially temper the blade-like other high Carbon Steels as it is hard to sharpen.

Grades

Grades DIN 1.2379
NI KU
B.S. BD 2
ASTM A681
FED QQ-T-570
SAE J437
SAE J438
UNS T30402
d2-steel

Chemical Composition

C % 0.95%
V % 0.20%
Cr % 0.50%
Mn % 1.25%
W % 0.50%
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