Low-alloyed steels for machine structural use manufactured by hot rolling, hot forging and hot extruding
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|
Low-alloyed steels for machine structural use manufactured by hot rolling, hot forging and hot extruding
| 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) |
|---|---|---|---|---|---|---|
| 449 (≥) | 324 (≥) | 43 | 12 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
| 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 |
|---|---|---|---|---|---|---|---|
| 721 (≥) | 511 (≥) | 32 | 11 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 228 | 146 | 912 |
We can customize the production of SNCM 616 grade, contact us for the best solution.
–sales@specificsteel.com