| |
| Physical Properties | Metric | English | Comments |
|---|
| Density | 7.80 g/cc | 0.282 lb/in³ |
| |
| Mechanical Properties | Metric | English | Comments |
|---|
| Hardness, Brinell | 278 | 278 |
| Hardness, Knoop | 296 | 296 |
| Hardness, Rockwell C | 28 | 28 |
| Hardness, Vickers | 287 | 287 |
| Tensile Strength, Ultimate | 985 MPa | 143000 psi |
 | 540 MPa
@Temperature 565 °C | 78300 psi
@Temperature 1050 °F |
| | 834 MPa
@Temperature 425 °C | 121000 psi
@Temperature 797 °F |
| | 917 MPa
@Temperature 315 °C | 133000 psi
@Temperature 599 °F |
| | 1060 MPa
@Temperature -18.0 °C | 154000 psi
@Temperature -0.400 °F |
| | 1145 MPa
@Temperature -73.0 °C | 166100 psi
@Temperature -99.4 °F |
| | 1510 MPa
@Temperature -195 °C | 219000 psi
@Temperature -319 °F |
| Tensile Strength, Yield | 640 MPa
@Strain 0.2 % | 92800 psi
@Strain 0.2 % |
| | 485 MPa
@Strain 0.2 %,
Temperature 565 °C | 70300 psi
@Strain 0.2 %,
Temperature 1050 °F |
| | 640 MPa
@Strain 0.2 %,
Temperature -18.0 °C | 92800 psi
@Strain 0.2 %,
Temperature -0.400 °F |
| | 660 MPa
@Strain 0.2 %,
Temperature -73.0 °C | 95700 psi
@Strain 0.2 %,
Temperature -99.4 °F |
| | 793 MPa
@Strain 0.2 %,
Temperature 425 °C | 115000 psi
@Strain 0.2 %,
Temperature 797 °F |
| | 862 MPa
@Strain 0.2 %,
Temperature 315 °C | 125000 psi
@Strain 0.2 %,
Temperature 599 °F |
| | 938 MPa
@Strain 0.2 %,
Temperature -195 °C | 136000 psi
@Strain 0.2 %,
Temperature -319 °F |
| Elongation at Break | 22.6 % | 22.6 % |
| | 13.4 %
@Temperature 425 °C | 13.4 %
@Temperature 797 °F |
| | 14.1 %
@Temperature 315 °C | 14.1 %
@Temperature 599 °F |
| | 24.3 %
@Temperature -18.0 °C | 24.3 %
@Temperature -0.400 °F |
| | 25.2 %
@Temperature -73.0 °C | 25.2 %
@Temperature -99.4 °F |
| | 29.8 %
@Temperature -195 °C | 29.8 %
@Temperature -319 °F |
| | 30 %
@Temperature 565 °C | 30 %
@Temperature 1050 °F |
| Modulus of Elasticity | 204 - 215 GPa | 29600 - 31200 ksi |
| Notched Tensile Strength | 1425 MPa | 206700 psi |
| | 1515 MPa
@Temperature -18.0 °C | 219700 psi
@Temperature -0.400 °F |
| | 1655 MPa
@Temperature -73.0 °C | 240000 psi
@Temperature -99.4 °F |
| | 1715 MPa
@Temperature -195 °C | 248700 psi
@Temperature -319 °F |
| Bulk Modulus | 166 GPa | 24100 ksi |
| Poissons Ratio | 0.283 | 0.283 |
| Shear Modulus | 83.9 GPa | 12200 ksi |
| Charpy Impact | 122 - 141 J | 90.0 - 104 ft-lb |
| | 49.0 J
@Temperature -195 °C | 36.1 ft-lb
@Temperature -319 °F |
| | 89.0 J
@Temperature -73.0 °C | 65.6 ft-lb
@Temperature -99.4 °F |
| | 111 J
@Temperature 315 °C | 81.9 ft-lb
@Temperature 599 °F |
| | 111 J
@Temperature 425 °C | 81.9 ft-lb
@Temperature 797 °F |
| | 113 J
@Temperature 565 °C | 83.3 ft-lb
@Temperature 1050 °F |
| | 115 J
@Temperature -18.0 °C | 84.8 ft-lb
@Temperature -0.400 °F |
| |
| Thermal Properties | Metric | English | Comments |
|---|
| CTE, linear | 10.6 µm/m-°C
@Temperature 24.0 - 205 °C | 5.89 µin/in-°F
@Temperature 75.2 - 401 °F |
| | 10.8 µm/m-°C
@Temperature 24.0 - 95.0 °C | 6.00 µin/in-°F
@Temperature 75.2 - 203 °F |
| | 11.0 µm/m-°C
@Temperature 24.0 - 315 °C | 6.11 µin/in-°F
@Temperature 75.2 - 599 °F |
| | 11.3 µm/m-°C
@Temperature 25.0 - 370 °C | 6.28 µin/in-°F
@Temperature 77.0 - 698 °F |
| | 11.5 µm/m-°C
@Temperature 24.0 - 425 °C | 6.39 µin/in-°F
@Temperature 75.2 - 797 °F |
| | 11.7 µm/m-°C
@Temperature 24.0 - 480 °C | 6.50 µin/in-°F
@Temperature 75.2 - 896 °F |
| | 11.75 µm/m-°C
@Temperature 24.0 - 595 °C | 6.528 µin/in-°F
@Temperature 75.2 - 1100 °F |
| Specific Heat Capacity | 0.460 J/g-°C | 0.110 BTU/lb-°F |
| Thermal Conductivity | 20.7 W/m-K | 144 BTU-in/hr-ft²-°F |
| Maximum Service Temperature, Air | 425 °C | 797 °F |
| |
| Component Elements Properties | Metric | English | Comments |
|---|
| Carbon, C | <= 0.050 % | <= 0.050 % |
| Chromium, Cr | 15 % | 15 % |
| Copper, Cu | 1.5 % | 1.5 % |
| Iron, Fe | 74 % | 74 % |
| Manganese, Mn | <= 1.0 % | <= 1.0 % |
| Molybdenum, Mo | 0.75 % | 0.75 % |
| Nickel, Ni | 6.0 % | 6.0 % |
| Niobium, Nb (Columbium, Cb) | >= 0.40 % | >= 0.40 % |
| Phosphorus, P | <= 0.030 % | <= 0.030 % |
| Silicon, Si | <= 1.0 % | <= 1.0 % |
| Sulfur, S | <= 0.030 % | <= 0.030 % |
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