Russia GOST H70MΦB Specialsteel Russia GOCT standard deformation of high temperature alloy grades and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | H70MΦB | GOST | Russia | Russia GOCT standard deformation of high temperature alloy grades and chemical composition |
C | Si | Mn | P | S | Cr | Ni | Mo | Al | Ti | Fe | V | W |
---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.02 | ≤0.10 | ≤0.50 | ≤ ≥ | ≤ ≥ | ≤0.30 | ≤remaining | 25.00 -27.00 | ≤ ≥ | ≤0.15 | ≤0.80 | 1.40 -1.70 | 0.10 -0.45 |
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) |
---|---|---|---|---|---|---|
664 (≥) | 212 (≥) | 42 | 41 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.32 | - | |||
596 | 152 | - | 34.3 | 412 | - | ||
341 | - | 41 | 21.2 | 314 | 232 |
Heat treated : 1524°C - 1846°C
Grade | Standard | Country | Application |
---|---|---|---|
H70MΦB |
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