Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.04 | ||
| Mn | - | 1.50 | ||
| Si | - | 1.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 24.00 | 27.00 | ||
| Ni | 4.50 | 6.50 | ||
| Mo | 2.00 | 4.00 | ||
| N | 0.10 | 0.25 | ||
| Cu | 1.50 | 2.50 |
Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components
| 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) |
|---|---|---|---|---|---|---|
| 239 (≥) | 393 (≥) | 14 | 21 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
| 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 |
|---|---|---|---|---|---|---|---|
| 832 (≥) | 992 (≥) | 32 | 12 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 885 | 955 | 659 |
We can customize the production of A 1049 S32550 grade, contact us for the best solution.
–sales@specificsteel.com