GH4043 superalloy is an age-hardening nickel-based superalloy composed of nickel, molybdenum, aluminum and other elements, with a nickel content of about 68%. GH4043 superalloy alloy has good hot and cold workability, stable structure when used at high temperature below 850ºC, sufficient strength and good comprehensive performance, and its oxidation resistance is equivalent to GH4037.
Similar grades:
Зи617 XH70BMTTЮ (Russia)
Chemical element content (%)
C: ≤ 0.03-0.10 Cr :13.00-16.00 Ni: more than W: 5.00-7.00 Mo: 2.00-4.00 Nb:- V: 0.100-0.500 Al: 1.7-2.30
Ti: 1.8-2.30 Fe: ≤5.00 ZR: ≤- B: ≤0.020 Ce: ≤0.020 Si: ≤ 0.40 Mn: ≤0.50 P: ≤0.015 S: ≤0.010 Cu: ≤0.070
Mechanical properties of GH4043:
Yield strength (σ0.2) (Mpa): ≥--
Tensile strength σb (MPa):, ≥700
Elongation (δ5)%: ≥6
Reduction of area (ψ)%: ≥10
Hardness (HBS) 3.3-3.70
GH4043 features and uses:
GH4043 is a nickel-based aging alloy, and its various properties are similar to those of GH4037 alloy, and its notch sensitivity is higher, so the use range is smaller than GH4043. Used for gas turbine working blades with operating temperature of 800-850°C.
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