Russia GOST XH77TЮ(ЭИ437A) 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 | XH77TЮ(ЭИ437A) | 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 | Pb | Ce |
---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.06 | ≤0.60 | ≤0.40 | ≤0.015 | ≤0.007 | 19.00 -22.00 | ≤remaining | ≤ ≥ | 0.55 -0.95 | 2.30 -2.70 | ≤1.00 | ≤0.001 | ≤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) |
---|---|---|---|---|---|---|
817 (≥) | 398 (≥) | 12 | 23 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 |
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 | - | - | 0.12 | - | |||
942 | 816 | - | 22.3 | 142 | - | ||
576 | - | 23 | 22.2 | 113 | 214 |
Heat treated : 1666°C - 1717°C
Grade | Standard | Country | Application |
---|---|---|---|
XH77TЮ(ЭИ437A) |
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