1.Introduction
Inconel 718 wire precipitation sclerosis type of molybdenum alloy containing niobium, nichrome, under
650 ℃ has high strength, good toughness and has good corrosion resistance in high and low temperature
environment.The supply state can be solid solution treatment or precipitation hardening state.
2.Chemical composition
Ni Cr Fe C Mn Si Mo Cu Co Al Ti Nb B P S
50-55 17-21 Rem 0.08 0.35 0.35 2.8-3.3 0.03 1 0.2-0.8 0.65-1.15 4.75-5.5 0.006 0.01 0.01
3. Heat conductivity
θ/℃ 11 100 200 300 400 500 600 700 800 900 1000
λ/(W/(m·℃)) 13.4 14.7 15.9 17.8 18.3 19.6 21.2 22.8 23.6 7.6 30.4
4.Chemical property
θ/℃ 600 700 800 900 1000
oxidation date/(g/(m2·h)) 0.0176 0.0277 0.0351 0.0961 0.1620
5.character
• Ending machinability
• Low at 700 ℃ has high tensile strength, fatigue strength, creep strength and fracture strength
• Low at 1000 ℃ has the high oxidation
• Both ends have stable chemical properties at low temperature
• Ending with good welding performance
6.Physical property
Density:ρ=8.24g/cm3
Melting temperature range:1260~1320℃
