CNS standard heat resistant steel bar steel grade and chemical composition
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.35 | 0.45 | ||
| Si | 1.80 | 2.50 | ||
| Mn | - | 0.60 | ||
| P | - | 0.030 | ||
| S | - | 0.030 | ||
| Cr | 10.00 | 12.00 | ||
| Ni | - | 0.60 | ||
| Mo | 0.70 | 1.30 | ||
| N | - | - |
CNS standard heat resistant steel bar steel grade and chemical composition
| 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) |
|---|---|---|---|---|---|---|
| 984 (≥) | 288 (≥) | 22 | 43 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 |
| 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 |
|---|---|---|---|---|---|---|---|
| 581 (≥) | 462 (≥) | 24 | 42 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 372 | 949 | 953 |
We can customize the production of SUH3 grade, contact us for the best solution.
–sales@specificsteel.com