China GBT MX246A Superalloys and high temperature intermetallic materials and MX246A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | MX246A | GBT | China | Superalloys and high temperature intermetallic materials | 
| TAC-2M | |||||
| T AC-3 A | |||||
| TAC-3B | |||||
| TAC-3C | |||||
| TAC-3D | |||||
| TAC-1 | |||||
| TAC-1B | |||||
| IC6 | |||||
| IC6A | |||||
| MX246 | 
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | W(%) | Pb(%) | B(%) | Al(%) | Ti(%) | Sb(%) | As(%) | Sn(%) | Fe(%) | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.06-0.20 | 1.00 | 0.50 | 0.020 | 0.015 | 7.40-8.20 | Bal | 3.50-4.50 | 1.70-2.30 | 0.0010 | 0.010-0.050 | 7.60-8.50 | 0.60-1.20 | 0.001 | 0.005 | 0.002 | ≤2.00 | 
| 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) | 
|---|---|---|---|---|---|---|
| 922 (≥) | 779 (≥) | 13 | 41 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.11 | - | |||
| 242 | 796 | - | 11.3 | 133 | - | ||
| 398 | - | 14 | 33.2 | 423 | 123 | 
Heat treated : 1445°C - 1276°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| MX246A | GBT | China | Superalloys and high temperature intermetallic materials | 
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