GH4133 (GH33) 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 working properties. It is further alloyed on the basis of GH4033 and has good comprehensive properties. Compared with GH4033, the grains are uniform and fine, the yield strength is (80-100) MPa, and the creep and fatigue properties are provided. It has good thermal processing properties and is easy to form.
GH4033 is a Ni-Cr-based precipitation hardening deformed superalloy, which is formed by adding aluminum and titanium to form a precipitation strengthening phase. It has sufficient high temperature strength for working use at a temperature of 700-750 degrees Celsius, and has good oxidation resistance below 900 degrees Celsius. Has good hot and cold processing properties.
GH4033 Applications and Features:
GH4033 is suitable for making supercritical boilers and superheater pipes working at 700-750 degrees Celsius.
GH4033 similar grades:
New name for high temperature GH4033
High temperature old name GH33
Chemical composition of GH4033:
Carbon C 0.03-0.08
Silicon Si ≤0.65
Manganese Mn ≤0.4
Phosphorus P ≤0.015
Sulfur S ≤0.007
Chromium Cr 19-22
Nickel Ni
Copper Cu ≤0.07
Copper Cu ≤0.5
Iron Fe ≤1.0
Niobium Nb 0.9-1.3
Boron B ≤0.01
Titanium Ti 2.4-2.8
Aluminum Al 0.6-1
Cerium Ce ≤0.02
GH4033 physical properties:
Density gcm3 8.09
Thermal conductivity w(m.k) 200~700ºC 11.3-27.62
Resistivity °C) (Ω.mm2m) 20-900 °C 1.24
Specific heat capacityºC)kg(kg.k)ºC100-800ºC 0.439-0.669
Linear expansion coefficient (10-6k) 20~800ºC 16.3
GH4033 Mechanical Properties
Variety Cold Rolled Sheet
temperature 0°C 20
Tensile strength ΣbMPa≥ 885
Elongation A%≥13
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