China CNS SUH446 Specialsteel CNS standard heat resistant steel bar steel grade and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | SUH446 | Ferrite | CNS | China | CNS standard heat resistant steel bar steel grade and chemical composition | 
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu | 
|---|---|---|---|---|---|---|---|---|---|
| ≤0.20 | ≤1.00 | ≤1.50 | ≤0.040 | ≤0.030 | 23.00 -27.00 | ≤0.60 | ≤ ≥ | ≤0.25 | ≤0.30 | 
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) | 
|---|---|---|---|---|---|---|
| 949 (≥) | 585 (≥) | 44 | 23 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 124 | 
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν | 
|---|---|---|---|---|---|---|---|
| 24 | - | - | 0.32 | - | |||
| 321 | 249 | - | 34.3 | 333 | - | ||
| 757 | - | 44 | 11.2 | 331 | 334 | 
Heat treated : 1957°C - 1927°C
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