Product Name: Superalloy GH4033
Product features: It is based on nickel-chromium as the matrix, adding aluminum and titanium to form r, phase dispersion strengthened alloy, with sufficient high temperature strength at 700-750 degrees, and good oxidation resistance below 900 degrees.
Product application: The alloy has good heating performance and is mainly used for hot-rolled gang and disc blanks, which are used in engine rotor parts.
Product variety: produce various specifications of plates, pipes, bars, wires, wires, rings, flange forgings, etc. Seamless ring/zui/ maximum diameter can reach more than 5000mm, strip/zui/ thin 0.01mm
GH4033 is a high temperature alloy, with nickel-chromium as the matrix, adding aluminum and titanium to form γ, phase dispersion strengthened alloy, with sufficient high temperature strength at 700~750ºC, and good oxidation resistance below 900ºC. The alloy and heating properties are good, and it mainly supplies hot-rolled bars and disc blanks, which are used in engine rotor parts.
GH4033 (GH33) chemical composition
C: 0.03-0.08
Mn: ≤0.40
Si: ≤0.65
P:≤0.015
S:≤0.007
Cr: 19.0-22.0
Al: 0.60-1.00
Ti: 2.40-2.80
Fe:≤1.00
B:≤0.010
Ce: ≤0.020
Ni: margin
Density g/cm³: 8.20
GH4033 (GH33) heat treatment system:
The hot-rolled bars for rotating parts are: 1080ºC±10ºC, air cooling +700ºC±10ºC, 16h, air cooling. Common load-bearing rods and cold drawn rods are 1080°C, 8h, air cooling +700°C or 750°C, 16h, air cooling. Ring blank and forged round cake are 1080ºC, 8h, air cooling +750ºC, 16h, air cooling.
GH4033 (GH33) smelting and casting process:
It adopts electric arc furnace, electric arc furnace + electroslag or vacuum arc remelting, non-vacuum induction furnace + electroslag or vacuum arc remelting, vacuum induction furnace + electroslag or vacuum arc remelting process.
Other overview and special requirements of GH4033 (GH33):
The alloy is widely used in high-temperature parts of turbine engines, mainly used as turbine working blades, turbine disks and other high-temperature load-bearing parts. It is one of the alloys with mature experience at home and abroad. The alloy should pay attention to the problem of recrystallization during hot rolling and forging. It has a large tendency to form uneven grains and coarse grains, and it is easy to produce coarse grain wastes. In addition, the production process should be strictly controlled to avoid the phenomenon that the tensile plasticity drops at 700°C.
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http://xingda-alloy.en.made-in-china.com
http://xingda-alloy.en.made-in-china.com
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