Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Mn | - | 2.00 | ||
| Si | - | 0.75 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 17.00 | 20.00 | ||
| Ni | 13.50 | 17.50 | ||
| Mo | 4.00 | 5.00 | ||
| Cu | - | 0.75 | ||
| N | 0.10 | 0.20 |
Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
| 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) |
|---|---|---|---|---|---|---|
| 337 (≥) | 397 (≥) | 43 | 42 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 |
| 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 |
|---|---|---|---|---|---|---|---|
| 881 (≥) | 922 (≥) | 33 | 21 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 116 | 848 | 889 |
We can customize the production of SA-409 S31726 grade, contact us for the best solution.
–sales@specificsteel.com