Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.18 | ||
| Si | 3.70 | 4.30 | ||
| Mn | - | 2.00 | ||
| P | - | 0.02 | ||
| S | - | 0.02 | ||
| Ni | 14.00 | 15.50 | ||
| Cr | 17.00 | 18.50 | ||
| Al | - | - | ||
| Cu | - | 0.50 | ||
| Ti | - | - | ||
| Fe | - | - | ||
| V | - | - | ||
| Mo | - | - |
Specification for flat products made of steels for pressure purposes - 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) |
|---|---|---|---|---|---|---|
| 996 (≥) | 119 (≥) | 31 | 32 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 433 |
| 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 |
|---|---|---|---|---|---|---|---|
| 846 (≥) | 573 (≥) | 43 | 42 | 34 | 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 |
|||||
| 838 | 671 | 184 |
We can customize the production of X2CrNiMo18-15-4 grade, contact us for the best solution.
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