GH1040 is a solid solution strengthened iron-based superalloy composed of Ni, Mo, Cr, N and other elements, and the nickel content is about 26%. It has good hot and cold working properties, and has good comprehensive properties in the temperature range of -253 to 700 ºC, and the yield strength below 650 ºC ranks first in deformed superalloys. Short-term use at 990 ~ 1000 ºC can achieve sufficiently high instantaneous strength; good hot working plasticity. It is suitable for the manufacture of parts with an operating temperature of 550 to 1000 °C. Able to manufacture various parts with complex shapes, used in the manufacture of general load-bearing parts (except turbine blades) for aerospace, aviation, nuclear energy, petroleum industry and extrusion dies, gas turbines and other industries (except turbine blades), used for turbines working below 950 ºC Components such as engine combustion chambers and afterburners.
Chemical composition of GH1040:
C(%): ≤0.12
Cr(%): 15.0~17.5
Mo(%): 5.50~7.00
Ni(%): 24.0~27.0
W(%): -
Al(%): -
Nb(%): -
Ti(%): -
Fe(%): surplus
Si(%): 0.50~1.00
Mn(%): 1.00~2.00
P(%) : ≤ 0.030
S(%): ≤ 0.020
cu(%): ≤ 0.20
Others (%): N0.10~0.20
Mechanical properties: tensile strength σb≥520 MPa; yield strength σ0. 2≥205 MPa; elongation δ5≥40%; area shrinkage ψ≥50%; hardness ≤187 HB ( ≤90 HRB, ≤200 HV).
The main products are cakes, forgings, bars, seamless pipes, plates, strips and wires.
Delivery Status: Generally delivered in a heat-treated condition. Seamless pipe: solid solution + acid white; sheet: solid solution, pickling, trimming; welded pipe: solid solution + acid white + RT% flaw detection; forgings: annealing + lathe; Or burnished; strips are delivered cold-rolled, solution-softened, and descaled; wires are delivered in solution-pickled discs or straight strips, solid-solution straight strips and finely ground
GH1040 alloy wire
The band structure of GH1040 alloy wire produced by medium frequency induction melting-forging-rolling-drawing process mainly appears in the longitudinal section along the rolling direction. The solution treatment experiment of 1200ºC/1h/air cooling was carried out on the rolled samples. After solution treatment, the band-like structure of the longitudinal section was obviously eliminated, and the tensile strength decreased and the elongation increased after solution treatment.
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