Nickel alloy GH3128 (GH128) is a nickel-based alloy that is solid solution strengthened with tungsten and molybdenum and grain boundary strengthened with boron, cerium and zirconium. It has high plasticity, high permanent creep strength, and good oxidation resistance, stamping and welding properties. Its comprehensive performance is superior to similar nickel-based solid solution alloys such as GH3044 and GH3536.
Applications:
It is suitable for manufacturing high-temperature parts such as aero-engine combustion chamber flame tubes, afterburner casings, and adjusting parts that work at 950°C for a long time.
Normal product forms: wires, rods, bars, forgings, strips, sheets, plates, and pipes.
Specifications/Standard: GB/T GH3128
Chemical Composition:
Nickel (Ni): Balance
Chromium (Cr): 19.0-22.0%
Tungsten (W): 7.5-7.9%
Molybdenum (Mo): 7.5-7.9%
Titanium (Ti): 0.4-0.8%
Aluminium (Al): 0.4-0.8%
Iron (Fe): 2% max
Manganese (Mn): 0.5% max
Carbon (C): 0.05% max
Silicon (Si): 0.8% max
Sulfur (S): 0.013% max
Phosphorus (P): 0.013% max
Boron (B): 0.005% max
Zirconium (Zr): 0.06% max
Cerium (Ce): 0.05% max
Physical Constants and Thermal Properties
Density: 8.81 g/cm³
Melting temperature range: 1340 ~ 1390°C
