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Physical Properties of Materials
Physical Properties of Metallic Materials
| Material | Specific gravity | Thermal expansion coefficient | Modulus of longitudinal elasticity | |
|---|---|---|---|---|
| ×10−6/℃ | N/mm2 | ｛Kgf/mm2｝ | ||
| Mild steel | 7.85 | 11.7 | 205800 | ｛21000｝ |
| NAK80 | 7.8 | 12.5 | 200900 | ｛20500｝ |
| SKD11 | 7.85 | 11.7 | 205800 | ｛21000｝ |
| SKD61 | 7.75 | 10.8 | 205800 | ｛21000｝ |
| SKH51 | 8.2 | 10.1 | 218540 | ｛22300｝ |
| Carbide V30 | 14.1 | 6 | 548800 | ｛56000｝ |
| Carbide V40 | 13.9 | 6 | 529200 | ｛54000｝ |
| Cast iron | 7.3 | 9.2～11.8 | 73500～102900 | ｛7500～10500｝ |
| SUS304 | 8.0 | 17.3 | 193060 | ｛19700｝ |
| SUS440C | 7.78 | 10.2 | 199920 | ｛20400｝ |
| Oxygen-free copper C1020 | 8.9 | 17.6 | 114660 | ｛11700｝ |
| 6/4 brass C2801 | 8.4 | 20.8 | 100940 | ｛10300｝ |
| Beryllium copper C1720 | 8.3 | 17.1 | 127400 | ｛13000｝ |
| Aluminum A1100 | 2.7 | 23.6 | 67620 | ｛6900｝ |
| Duralumin A7075 | 2.8 | 23.6 | 70560 | ｛7200｝ |
| Titanium (Ti) | 4.5 | 8.4 | 103880 | ｛10600｝ |
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