Russia ГОСТ XH77TЮ(ЭИ437A) Russia COST standard deformation of high temperature alloy and XH77TЮ(ЭИ437A) Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | XH77TЮ(ЭИ437A) | ГОСТ | Russia | Russia COST standard deformation of high temperature alloy |
| XH75BMЮ |
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| XH77TЮP |
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| XH77TЮPy |
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| XH78T |
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| XH80TБЮ |
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| H50K10 |
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| H70MΦ |
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| H70MΦB |
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| 03XH28MДT |
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| 06XH28MДT |
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Pb(%) | Al(%) | Ti(%) | Fe(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Max 0.06 | Max 0.60 | Max 0.40 | Max 0.015 | Max 0.007 | l9.0-22.0 | Balance | Max 0.001 | 0.55-0.95 | 2.30-2.70 | Max 1.0 | Ce: Max 0.02 |
| 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) |
|---|---|---|---|---|---|---|
| 719 (≥) | 493 (≥) | 33 | 32 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
| 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 |
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.13 | - | |||
| 328 | 619 | - | 11.3 | 243 | - | ||
| 343 | - | 31 | 11.2 | 224 | 234 |
Heat treated : 1149°C - 1919°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| XH77TЮ(ЭИ437A) | ГОСТ | Russia | Russia COST standard deformation of high temperature alloy |
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