China GBT HGH648 Super alloy welding wire and HGH648 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | HGH648 | GBT | China | Super alloy welding wire | 
| HGH3113 | |||||
| HGH3128 | |||||
| HGH3367 | |||||
| HGH132 | |||||
| HGH135 | |||||
| HGH33 | |||||
| HGH145 | |||||
| HGH169 | |||||
| HGH356 | |||||
| HGH642 | 
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | W(%) | B(%) | Nb(%) | Al(%) | Ti(%) | Fe(%) | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.10 | 0.40 | 0.50 | 0.015 | 0.010 | 32.00-35.00 | Bal | 2.30-3.30 | 4.30-5.30 | ≤0.008 | 0.50-1.10 | 0.50-1.10 | 0.50-1.10 | ≤4.00 | 
| 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) | 
|---|---|---|---|---|---|---|
| 788 (≥) | 336 (≥) | 41 | 33 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | 
| 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 | - | - | 0.33 | - | |||
| 248 | 517 | - | 34.3 | 332 | - | ||
| 438 | - | 43 | 31.2 | 431 | 133 | 
Heat treated : 1875°C - 1992°C
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