Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Wolfram Stainless Steel
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Mn | - | 1.00 | ||
| Si | - | 0.75 | ||
| P | - | 0.03 | ||
| S | - | 0.03 | ||
| Cr | 24.00 | 26.00 | ||
| Ni | 5.50 | 7.50 | ||
| Mo | 2.50 | 3.50 | ||
| N | 0.10 | 0.30 | ||
| Cu | 0.20 | 0.80 | ||
| W | 0.10 | 0.50 |
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Wolfram Stainless Steel
| 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) |
|---|---|---|---|---|---|---|
| 656 (≥) | 739 (≥) | 31 | 31 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 |
| 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 |
|---|---|---|---|---|---|---|---|
| 375 (≥) | 919 (≥) | 21 | 11 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 134 | 143 | 983 |
We can customize the production of S31260 grade, contact us for the best solution.
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