S20400
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.030 | ||
| Si | - | 1.00 | ||
| Mn | 7.00 | 9.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 15.0 | 17.0 | ||
| Ni | 1.50 | 3.00 | ||
| N | 0.15 | 0.30 |
S20400
| 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) |
|---|---|---|---|---|---|---|
| 529 (≥) | 761 (≥) | 21 | 43 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 |
| 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 |
|---|---|---|---|---|---|---|---|
| 698 (≥) | 495 (≥) | 31 | 22 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 697 | 972 | 764 |
We can customize the production of S20400 grade, contact us for the best solution.
–sales@specificsteel.com