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AISI A2 |
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| Category | Steel |
| Class | Tool steel |
| Type | Air-hardening medium-alloy cold work steel |
| Designations |
France: AFNOR Z 100 CDV 5
Germany: DIN 1.2363
Japan: JIS SKD 12
Sweden: SS 2260
United Kingdom: B.S. BA 2
United States: ASTM A681 , FED QQ-T-570 , SAE J437 , SAE J438 , UNS T30102
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| Composition |
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| Element | Weight % |
| C |
0.95-1.05 |
| Mn |
1.00 |
| Si |
0.50 |
| Cr |
4.75-5.50 |
| Ni |
0.30 |
| Mo |
0.90-1.40 |
| V |
0.15-0.50 |
| Cu |
0.25 |
| P |
0.03 |
| S |
0.03 |
| Mechanical Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) |
7.86 |
25 |
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| Poisson's Ratio |
0.27-0.30 |
25 |
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| Elastic Modulus (GPa) |
190-210
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25 |
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| Thermal Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Thermal Expansion (10-6/ºC) |
10.7 |
20-100 more |
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