FWM™ 1058 alloy offers excellent corrosion resistance, mechanical strength, fatigue resistance, and a high elastic modulus. The material can be worked in a low strength condition and can be heat treated in its final form.
Chemical composition
| Composition |
ASTM F1058 |
| Carbon | 0.15 max |
| Manganese | 1.0 - 2.0 |
| Silicon | 1.20 max |
| Phosphorus | 0.015 max |
| Sulfur | 0.015 max |
| Chromium | 18.5 - 21.5 |
| Nickel | 15.0 - 18.0 |
| Cobalt | 39.0 - 42.0 |
| Molybdenum | 6.5 - 7.5 |
| Beryllium | 0.001 max |
| Iron | Balance |
Physical properties
| Metric | English | |
| Density | 8.3 g/cm³ | 0.300 lbs/in³ |
| Modulus of Elasticity | 200 Gpa | 29 Mpsi |
| Electrical Resistivity | 996 µohm*mm | 39.2 µohm*in |
| Thermal Conductivity | 12.5 W/(m*°C) | 86.7 BTU*in/(hr*ft²*°F) |
| Coefficient of thermal expansion | 151 µm/m*°C) | 83.9 µin/(in*°F) |
* Values calculated at 22 °C [72 °C]
Mechanical properties
| Cold worked % |
Yield strength |
Ultimate tensile strength |
Elongation % |
| 0 | 469 MPa [68 ksi] | 1034 MPa [150 ksi] | 55 |
| 20 | 993 MPa [144 ksi] | 1413 MPa [205 ksi] | 9 |
| 37 | 1324 MPa [192 ksi] | 1689 MPa [245 ksi] | 5 |
|
50 |
1593 MPa [231 ksi] | 1896 MPa [275 ksi] | 3.9 |
|
60 |
1772 MPa [257 ksi] | 2034 MPa [295 ksi] | 3.8 |
|
68 |
1847 MPa [268 ksi] | 2151 MPa [312 ksi] | 3.8 |
|
75 |
1958 MPa [284 ksi] | 2241 MPa [325 ksi] | 3.9 |
|
* Values are typical and may not represent all diameters. Test method will affect results. |
|||