High Temperature Resistant Inconel 718 Nickel-Based Alloy Bar N07718 Polished Rod

Inconel 718 Alloy Introduction:

Inconel 718 alloy is a precipitation-hardened nickel-chromium-iron alloy containing niobium and molybdenum. It has high strength at 700°C, good toughness and corrosion resistance in both high and low temperature environments. It can be supplied in solution treated or precipitation hardened state.

Composition of inconel718 alloy: unit%

Inconel718/alloy718 is a Fe-Ni-Cr based precipitation hardening deformation high temperature alloy, with a long-term use temperature range of -253~650 degrees Celsius, a short-term use temperature of 800 degrees Celsius, and high strength, good toughness and oxidation and corrosion resistance in high and low temperature environments below 650 degrees Celsius. It also has good processing performance, welding performance and long-term organizational stability.

Features:
1. Easy to process
2. High tensile strength, fatigue strength, creep strength and fracture strength at 700℃
3. High oxidation resistance at 1000℃
4. Stable chemical properties at low temperatures
5. Good welding performance

Metallographic structure:
GH4169 alloy has an austenitic structure. The γ" phase generated after precipitation hardening gives it excellent mechanical properties. The δ phase generated at the grain boundary during heat treatment gives it the best plasticity.

Corrosion resistance:
Inconel718 alloy has excellent resistance to stress corrosion cracking and pitting corrosion in both high and low temperature environments. Inconel718 alloy is particularly resistant to oxidation at high temperatures.

Application Scope:
Due to its high temperature strength, excellent corrosion resistance and easy processing at 700℃, Inconel718 alloy can be widely used in various high-demand occasions.

1. Steam turbine
2. Liquid fuel rocket
3. Cryogenic engineering
4. Acidic environment
5. Nuclear engineering

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