Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Mn | - | 1.20 | ||
| Si | - | 0.80 | ||
| P | - | 0.035 | ||
| S | - | 0.02 | ||
| Cr | 24.00 | 26.00 | ||
| Ni | 6.00 | 8.00 | ||
| Mo | 3.00 | 5.00 | ||
| N | 0.24 | 0.32 | ||
| Cu | - | 0.50 |
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General 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) |
|---|---|---|---|---|---|---|
| 451 (≥) | 281 (≥) | 22 | 41 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
| 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 |
|---|---|---|---|---|---|---|---|
| 365 (≥) | 211 (≥) | 41 | 11 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 824 | 492 | 985 |
We can customize the production of SA-789 S32750 grade, contact us for the best solution.
–sales@specificsteel.com