Specification for Seamless and Welded Austenitic Stainless Steel Pipes
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 16.0 | 18.0 | ||
| Ni | 10.0 | 14.0 | ||
| Mo | 2.00 | 3.00 | ||
| N | - | 0.10 | ||
| Ti | - | 5(C+N)≤Ti≤0.70 |
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) |
|---|---|---|---|---|---|---|
| 717 (≥) | 433 (≥) | 44 | 13 | 22 | 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 |
|---|---|---|---|---|---|---|---|
| 768 (≥) | 354 (≥) | 11 | 22 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 864 | 131 | 413 |
We can customize the production of SA-312 S31635 grade, contact us for the best solution.
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