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A2 Information & Composition

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A tough high carbon alloy steel. Its toughness allows for thinner edges that cut better. The chromium provides some corrosion resistance.

A2 Data Sheets:

Bohler K305 (A2)
Carpenter A2
Crucible Airkool (A2)
Latrobe LSS A2

A2 Heat Treating Information:

Preheat: Heat to 1100°-1250°F, equalize, then to 1350-1450°F, equalize.

Austenitize: 1750°-1800°F, hold at temperature 30-45 minutes. Quench in air or positive pressure quench to below 150°F.

Temper: At least twice at 400°-1000°F for 2 hours minimum each time. 0Cool to room temperature between tempers.

Cryogenic Treating: After the first temper may improve long term dimensional stability by transforming retained austenite. Any cryogenic treatment must be followed by a temper.

Heat Treating Services:
Pacific Metallurgical
Paul Bos Heat Treating
Peters Heat Treating

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