| |
| Physical Properties | Metric | English | Comments |
|---|
| Density | 7.80 g/cc | 0.282 lb/in³ |
| |
| Mechanical Properties | Metric | English | Comments |
|---|
| Hardness, Brinell | 395 | 395 |
| Hardness, Knoop | 432 | 432 |
| Hardness, Rockwell C | 42.5 | 42.5 |
| Hardness, Vickers | 416 | 416 |
| Tensile Strength, Ultimate | 1345 MPa | 195100 psi |
 | 580 MPa
@Temperature 565 °C | 84100 psi
@Temperature 1050 °F |
| | 1035 MPa
@Temperature 425 °C | 150100 psi
@Temperature 797 °F |
| | 1105 MPa
@Temperature 315 °C | 160300 psi
@Temperature 599 °F |
| | 1415 MPa
@Temperature -18.0 °C | 205200 psi
@Temperature -0.400 °F |
| | 1490 MPa
@Temperature -73.0 °C | 216000 psi
@Temperature -99.4 °F |
| | 1795 MPa
@Temperature -195 °C | 260300 psi
@Temperature -319 °F |
| Tensile Strength, Yield | 1280 MPa
@Strain 0.2 % | 186000 psi
@Strain 0.2 % |
| | 525 MPa
@Strain 0.2 %,
Temperature 565 °C | 76100 psi
@Strain 0.2 %,
Temperature 1050 °F |
| | 903 MPa
@Strain 0.2 %,
Temperature 425 °C | 131000 psi
@Strain 0.2 %,
Temperature 797 °F |
| | 951 MPa
@Strain 0.2 %,
Temperature 315 °C | 138000 psi
@Strain 0.2 %,
Temperature 599 °F |
| | 1340 MPa
@Strain 0.2 %,
Temperature -18.0 °C | 194000 psi
@Strain 0.2 %,
Temperature -0.400 °F |
| | 1425 MPa
@Strain 0.2 %,
Temperature -73.0 °C | 206700 psi
@Strain 0.2 %,
Temperature -99.4 °F |
| | 1715 MPa
@Strain 0.2 %,
Temperature -195 °C | 248700 psi
@Strain 0.2 %,
Temperature -319 °F |
| Elongation at Break | 13.9 % | 13.9 % |
| | 4.5 %
@Temperature -195 °C | 4.5 %
@Temperature -319 °F |
| | 12 %
@Temperature 315 °C | 12 %
@Temperature 599 °F |
| | 12.4 %
@Temperature 425 °C | 12.4 %
@Temperature 797 °F |
| | 15.2 %
@Temperature -18.0 °C | 15.2 %
@Temperature -0.400 °F |
| | 15.7 %
@Temperature -73.0 °C | 15.7 %
@Temperature -99.4 °F |
| | 24 %
@Temperature 565 °C | 24 %
@Temperature 1050 °F |
| Modulus of Elasticity | 204 - 215 GPa | 29600 - 31200 ksi |
| Notched Tensile Strength | 2050 MPa | 297000 psi |
| | 1770 MPa
@Temperature -73.0 °C | 257000 psi
@Temperature -99.4 °F |
| | 2110 MPa
@Temperature -18.0 °C | 306000 psi
@Temperature -0.400 °F |
| Bulk Modulus | 166 GPa | 24100 ksi |
| Poissons Ratio | 0.283 | 0.283 |
| Shear Modulus | 83.9 GPa | 12200 ksi |
| Charpy Impact | 52.0 - 57.0 J | 38.4 - 42.0 ft-lb |
| | 1.40 J
@Temperature -195 °C | 1.03 ft-lb
@Temperature -319 °F |
| | 5.40 J
@Temperature -73.0 °C | 3.98 ft-lb
@Temperature -99.4 °F |
| | 22.0 J
@Temperature -18.0 °C | 16.2 ft-lb
@Temperature -0.400 °F |
| | 54.0 J
@Temperature 315 °C | 39.8 ft-lb
@Temperature 599 °F |
| | 57.0 J
@Temperature 425 °C | 42.0 ft-lb
@Temperature 797 °F |
| | 89.0 J
@Temperature 565 °C | 65.6 ft-lb
@Temperature 1050 °F |
| |
| Thermal Properties | Metric | English | Comments |
|---|
| CTE, linear | 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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