Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.10 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.030 | ||
| S | - | 0.020 | ||
| Cr | 19.00 | 23.00 | ||
| Mo | - | - | ||
| Ni | 30.00 | 35.00 | ||
| Al | 0.15 | 0.60 | ||
| Ti | 0.15 | 0.60 | ||
| Cu | - | 0.75 |
Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels
| 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) |
|---|---|---|---|---|---|---|
| 749 (≥) | 971 (≥) | 32 | 11 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 |
| 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 |
|---|---|---|---|---|---|---|---|
| 246 (≥) | 522 (≥) | 12 | 24 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 175 | 463 | 642 |
We can customize the production of X7CrNiAl32-21 grade, contact us for the best solution.
–sales@specificsteel.com