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A2 Tool Steel

AISI A2 tool steel is one of ‘A’ group cold works steel in ASTM A681 standard. A2 Tool Steel is a versatile, air hardening chromium alloy tool steel that replaces O1 tool steel when safer hardening, less distortion and increased wear resistance are required. AISI type A2 steel is intermediate in wear resistance between O1 oil-hardening tool steel and D2 high-carbon, high-chromium tool steel.

AISI Steel A2 is heat treatable and will offer a hardness in the range 57-62 HRC. ASTM grade A2 steel delivers good toughness with medium wear resistance and is relatively easy to machine. Tool Steels A2 are used in many applications which require good wear resistance as well as good toughness. Due to its lower chromium content, the wear resistant properties of A2 are not as great as those to be found in high carbon, high chromium steels such as D3 and D2 but it is much easier to machine than the latter specifications


Related Specifications
AISI ASTM A681 DIN 17350 BS EN ISO 4957

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