China CNS SUH21 Specialsteel CNS standard heat resistant steel plate of the steel grade and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SUH21 | Ferrite | CNS | China | CNS standard heat resistant steel plate of the steel grade and chemical composition |
C | Si | Mn | P | S | Cr | Ni | Mo | Al |
---|---|---|---|---|---|---|---|---|
≤0.10 | ≤1.50 | ≤1.00 | ≤0.040 | ≤0.030 | 17.00 -21.00 | ≤0.60 | ≤ ≥ | 2.00 -4.00 |
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) |
---|---|---|---|---|---|---|
895 (≥) | 296 (≥) | 42 | 14 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 |
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 |
---|---|---|---|---|---|---|---|
21 | - | - | 0.12 | - | |||
942 | 797 | - | 34.3 | 411 | - | ||
421 | - | 23 | 32.2 | 313 | 113 |
Heat treated : 1465°C - 1318°C
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