Russia GOST XH28BMAБ 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 | XH28BMAБ | 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 | W | Nb | N | B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.10 | ≤0.60 | ≤1.50 | ≤0.030 | ≤0.020 | 19.00 -22.00 | 25.00 -30.00 | 2.80 -3.50 | ≤ ≥ | ≤ ≥ | ≤ ≥ | 4.80 -6.00 | 0.70 -1.30 | 0.15 -0.30 | ≤0.005 |
| 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) |
|---|---|---|---|---|---|---|
| 743 (≥) | 372 (≥) | 41 | 24 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 |
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.43 | - | |||
| 493 | 524 | - | 13.3 | 233 | - | ||
| 891 | - | 22 | 21.2 | 432 | 324 |
Heat treated : 1345°C - 1729°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| XH28BMAБ |
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