Specification for Seamless and Welded Austenitic Stainless Steel Pipes
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.005 | 0.02 | ||
| Si | - | 0.75 | ||
| Mn | - | 2.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Ni | 9.00 | 13.00 | ||
| Cr | 17.00 | 20.00 | ||
| Al | - | - | ||
| Cu | - | - | ||
| Ti | - | - | ||
| Fe | - | - | ||
| N | 0.06 | 0.10 | ||
| Mo | - | - | ||
| V | - | - |
Specification for Seamless and Welded Austenitic Stainless Steel Pipes
| 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) |
|---|---|---|---|---|---|---|
| 818 (≥) | 135 (≥) | 31 | 24 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 |
| 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 |
|---|---|---|---|---|---|---|---|
| 788 (≥) | 439 (≥) | 22 | 32 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 159 | 792 | 356 |
We can customize the production of SA-312 TP347LN grade, contact us for the best solution.
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