Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.06 | 0.15 | ||
| Si | 0.20 | 1.00 | ||
| Mn | 5.50 | 7.00 | ||
| P | - | 0.040 | ||
| S | - | 0.030 | ||
| Cr | 14.00 | 16.00 | ||
| Mo | 0.80 | 1.20 | ||
| Ni | 9.00 | 11.00 | ||
| V | 0.15 | 0.40 | ||
| Nb | 0.75 | 1.25 | ||
| B | 0.0030 | 0.0090 |
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
| 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) |
|---|---|---|---|---|---|---|
| 312 (≥) | 972 (≥) | 21 | 33 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 |
| 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 |
|---|---|---|---|---|---|---|---|
| 299 (≥) | 535 (≥) | 44 | 42 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 719 | 444 | 997 |
We can customize the production of HFS 215S 15 grade, contact us for the best solution.
–sales@specificsteel.com