S42800
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| c | 1.05 | 1.15 | ||
| Si | 0.20 | 0.40 | ||
| Mn | 0.25 | 0.50 | ||
| P | - | 0.015 | ||
| S | - | 0.01 | ||
| Cr | 13.7 | 14.8 | ||
| Ni | - | 0.35 | ||
| Mo | 1.90 | 2.25 | ||
| V | 0.90 | 1.15 | ||
| Nb | 0.25 | 0.35 | ||
| Cu | - | 0.35 |
S42800
| 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) |
|---|---|---|---|---|---|---|
| 221 (≥) | 177 (≥) | 41 | 32 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 |
| 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 |
|---|---|---|---|---|---|---|---|
| 236 (≥) | 846 (≥) | 22 | 44 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 762 | 995 | 494 |
We can customize the production of S42800 grade, contact us for the best solution.
–sales@specificsteel.com