Structural and constructional steels
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.33 | 0.39 | ||
| Si | 0.10 | 0.40 | ||
| Mn | 0.60 | 0.90 | ||
| P | - | 0.035 | ||
| S | - | 0.035 | ||
| Cr | 0.85 | 1.15 | ||
| Ni | 1.2 | 1.6 |
Structural and constructional steels
| 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) |
|---|---|---|---|---|---|---|
| 349 (≥) | 848 (≥) | 23 | 13 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 |
| 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 |
|---|---|---|---|---|---|---|---|
| 975 (≥) | 888 (≥) | 11 | 34 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 415 | 928 | 457 |
We can customize the production of 35 NC 6 grade, contact us for the best solution.
–sales@specificsteel.com