Austenitic Chromium Manganese Nickel Stainless Steel
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Si | - | 1.00 | ||
| Mn | 8.00 | 10.0 | ||
| P | - | 0.06 | ||
| S | - | 0.03 | ||
| Cr | 19.0 | 21.0 | ||
| Ni | 5.50 | 7.50 | ||
| N | 0.15 | 0.40 |
S21900
| 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) |
|---|---|---|---|---|---|---|
| 487 (≥) | 374 (≥) | 11 | 43 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
| 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 |
|---|---|---|---|---|---|---|---|
| 265 (≥) | 699 (≥) | 21 | 23 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 794 | 667 | 547 |
We can customize the production of S21900 grade, contact us for the best solution.
–sales@specificsteel.com