ASTM631
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.09 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.00 | ||
| P | - | 0.04 | ||
| S | - | 0.04 | ||
| Cr | 16.0 | 18.0 | ||
| Ni | 6.5 | 7.75 | ||
| Al | 0.75 | 1.50 |
ASTM631
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 931 (≥) | 588 (≥) | 31 | 42 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 223 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 374 (≥) | 381 (≥) | 12 | 24 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 776 | 533 | 254 |
We can customize the production of ASTM631 grade, contact us for the best solution.
–sales@specificsteel.com