Steel castings for general engineering uses
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.09 | 0.14 | ||
| Si | 0.20 | 0.35 | ||
| Mn | 0.45 | 0.60 | ||
| P | - | 0.025 | ||
| S | - | 0.025 | ||
| Ni | 4.75 | 5.25 |
1.5681 Steel castings for general engineering uses
| 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) |
|---|---|---|---|---|---|---|
| 741 (≥) | 468 (≥) | 31 | 31 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
| 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 |
|---|---|---|---|---|---|---|---|
| 745 (≥) | 943 (≥) | 43 | 41 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 724 | 534 | 218 |
We can customize the production of 1.5681 grade, contact us for the best solution.
–sales@specificsteel.com