GH3030 is an early developed 80Ni-20Cr solid solution strengthened superalloy with simple chemical composition, satisfactory thermal strength and high plasticity below 800°C, and good oxidation resistance, thermal fatigue, cold stamping and welding process performance .
The alloy is single-phase austenite after solution treatment, and the structure is stable during use. The main products are cold-rolled sheets, and deformed products such as bars, rings, wires and pipes can also be supplied. It produces turbine engine combustor components that work below 800°C and other high-temperature components that require oxidation resistance below 1100°C but with little load.
Chemical composition
C Cr Ni Ti Al Fe Mn Si P S
≤0.12 19.0~22.0 margin 0.15~0.35 ≤0.15 ≤1.5 ≤0.7 ≤0.8 ≤0.03 ≤0.02
Melting temperature range 1374~1420ºC
Density ρ=8.4g/cm3
Magnetic properties: non-magnetic.
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