要求の厳しい用途向けの
材料
Haynes® 188
Haynes® 188 alloy is a cobalt-nickel-chromium-tungsten alloy that possesses excellent strength and corrosion resistance at elevated temperatures.
化学組成
| 組成 | UNS N07001 % |
| 炭素 | 0.1 |
| マンガン | 1.25 max |
| シリコン | 0.35 |
| クロム | 22 |
| タングステン | 14 |
| 鉄 | 3 max |
| コバルト | 39 balance |
| Lanthanum | 0.03 |
| ボロン | 0.02 max |
| ニッケル | 22.00 |
物理的特性
| メートル法 | 英語 | |
| 密度 | 8.98 g/cm³ | 0.324 lbs/in³ |
| Modulus of elasticity | 232 GPa | 33.7 mpsi |
| Electrical resistivity | 101.0 µohms/m | 39.6 µohms/in |
| Thermal conductivity | 10.4 W/m-K | 72 Btu-in/ft²hr-°F |
*values calculated at room temperature
機械的特性
| Cold worked % | Yield strength | Ultimate tensile strength | Elongation % |
| 0 | 938 MPa [136 ksi] | 1324 MPa [192 ksi] | 34 |
| 20 | 1110 MPa [161 ksi] | 1544 MPa [224 ksi] | 5.6 |
| 37 | 1641 MPa [238 ksi] | 2013 MPa [292 ksi] | 4.1 |
| 50 | 1813 MPa [263 ksi] | 2165 MPa [314 ksi] | 3.3 |
All data represent results from a 25.4 cm [10 in] test gauge length. Values are typical and may not represent all diameters. Test method will affect results.