Duplex Stainless Steel Round Bar (2507)
Chemical composition:
| C | Cr | Ni | Mo | N | other |
| 0.020% | 25% | 7% | 4.0% | .27% | S=0.001 |
| PREN = [Cr%] + 3.3 [Mo%] + 16 [N%] ≥ 40 | |||||
Mechanical property:
|
ultimate tensile strength, ksi |
116 Min |
| 0.2% yield strength , ksi | 80 Min |
| 1% yield strength 0.2%, ksi | 91 Min |
| elongation % | 15 Min |
| rockwell hardness,C | 32 Max |
| impact energy ,ft-lbs | 74 Min |
Low-temperature impact properties
|
Temperature°F |
RT |
34 | -4 | -40 |
| Ft-lbs | 162 | 162 | 155 | 140 |
| Temperature °F | -76 | -112 | -148 | -320 |
| Ft.-lbs. | 110 | 44 | 30 | 7 |
High temperature tensile properties
|
temperature °F |
68 |
212 | 302 | 392 | 482 |
| 0.2% yield strength , ksi | 80 | 65 | 61 | 58 | 55 |
| ultimate tensile strength, ksi | 116 | 101 | 98 | 95 | 94 |
Phisical property:
| Density | lb/in3 | 0.28 |
| elasticity modulus | psi x 106 | 29 |
| coeffiicient of thermal expansion 68-212?F/?F | x10-6/°F | 7.2 |
| heat conductivity coefficient | Btu/h ft °F | 8.7 |
| thermal capacity | Btu/lb/°F | 0.12 |
| electrical resistivity | W-in x 10-6 |
31.5 |