
Metal
AISI A2 | 1.2363
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Tool Steel A2 is a medium-carbon, medium-chromium air-hardening cold work tool steel. It offers superior toughness and dimensional stability compared to D2, while maintaining good wear resistance and hardenability (slightly lower than D2). A2 is more suitable for cold work dies and cutting tools subjected to moderate impact loads, which require balanced performance and machining stability.
2200 - 2500 MPa
~1700 - 2000 MPa
3 - 6 %
57 - 61 HRC
210 - 215 GPa
400 - 450 °C
25 - 30 W/(m·K)
10.8 - 11.2 μm/(m·°C)
7.75 g/cm³
45 - 55 μΩ·cm
Fair
Poor