GH1140
Chemical composition of GH1140:
alloy | % | carbon | nickel | chromium | molybdenum | tungsten | aluminum | titanium | cerium | manganese | silicon | phosphorus | sulfur |
GH1140 | minimum | 0.06 | 35 | 20 | 2.0 | 1.4 | 0.2 | 0.7 | |||||
maximum | 0.12 | 40 | 23 | 2.5 | 1.8 | 0.6 | 1.2 | 0.05 | 0.7 | 0.8 | 0.025 | 0.015 |
Physical properties of GH1140:
density | 8.09 g/cm3 |
melting point | 1358-1412℃ |
Mechanical properties of GH1140 alloy in solution state at room temperature:
Alloy state | tensile strength σb (Mpa) | Elongation A5 % |
GH1140 | ≥620 | ≥40 |
The main characteristics of this alloy are as follows:
GH1140 is a solution strengthened Fe Ni base superalloy. In addition to containing a large amount of chromium, GH1140 is a composite solution strengthened with a small amount of tungsten, molybdenum, aluminum and titanium. The alloy has medium thermal strength, high plasticity, good thermal fatigue, structural stability and welding process properties
Metallographic structure of GH1140
GH1140 alloy is austenite matrix in solution heat treatment state
Application fields of GH1140 include:
It is a kind of alloy material with high temperature strength and high temperature oxidation resistance: < br clear = "all" / > 1. It is used to manufacture combustion chamber flame tube, afterburner diffuser, rectifier support plate, stabilizer, oil delivery ring, afterburner shell, pipe joint, Bush, aircraft tail cover skin and other parts of various aeroengines
2. It can also be used as electric heating material
Products of our company:
Cold and hot plate & nbsp; strip & nbsp; tube & nbsp; wire & nbsp; forging Bar & nbsp; hot rolling bar & nbsp; machined products
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