GH4169 (US UNS n07718 / German w.nr.2.4668)
Chemical composition of GH4169:
alloy
% | nickel | chromium | iron | molybdenum | niobium | cobalt | carbon | manganese | silicon | sulfur | copper | copper | titanium | |
GH4169 | minimum | 50 | 17 | allowance | 2.8 | 4.75 | 0.20 | 0.65 | ||||||
maximum | 55 | 21 | 3.3 | 5.50 | 1.0 | 0.08 | 0.35 | 0.35 | 0.015 | 0.30 | 0.80 | 1.15 |
Physical properties of GH4169:
density
8.2 g/cm3 | |
melting point | 1260-1340 ℃ |
Mechanical properties of GH4169 alloy in solution state at room temperature:
alloy
tensile strengthσb (Mpa) | yield strengthσ0.2 (Mpa) | ElongationA5 % | hardness HB | |
GH4169 | ≥965 | ≥550 | ≥30 | ≤363 |
GH4169 alloy has the following properties:
It has high tensile strength, fatigue strength, creep strength and fracture strength at 700 ℃. It has high oxidation resistance at 1000 ℃.
It has stable chemical properties and good welding performance at low temperature. No matter in high or low temperature environment, GH4169 alloy has excellent resistance to stress corrosion cracking and pitting. GH4169 alloy has excellent oxidation resistance at high temperature
Metallographic structure of GH4169:
GH4169 alloy is of austenite structure, and the "γ" phase formed after precipitation hardening makes it have excellent mechanical properties. The δ phase formed at the grain boundary during heat treatment makes it have good plasticity
Application fields of GH4169 include:
GH4169 can be widely used in various high demand occasions:
1. Steam turbine
2. Liquid fuel rocket
3. Low temperature engineering
4. Acid environment
5. Nuclear Engineering
Products of our company:
Cold and hot plate, strip, tube, wire, forging bar, hot rolling bar, machined products
Related products