GH4169 (GH169), NS4301, Inconel 718, N07718, NW7718, 2.4668 precipitation hardening nickelalloy (marketing department of Shanghai HY Industry Co., Ltd)
GH4169 (GH169), NS4301, Inconel 718, N07718, NW7718, 2.4668 is a precipitation hardening nickel alloy & high-temperature corrosion-resistant alloy
DIN EN 10088:1:2005
DIN EN 10302:2002
INCONEL® alloy 718
VDM® Alloy 718 CTP
Nicrofer 5219 Nb
HAYNES® 718 alloy
Pyromet® Alloy 718
ATI 718 ™
Osprey® Alloy 718
heat conductivity coefficient W/(m•℃)
specific heat J/(kg•℃)
Melting point range ℃
Average Linear Expansion Coefficient×10-6/℃ (25℃~100℃)
Young’s modulus GPa
Mechanical behavior（GB/T 14994-2008）
Furnace cool to 620℃，8h
Test temperature ℃
tensile strength MPa
Specified non-proportional tensile strength MPa
reduction in area %
elevated temperature property
Test temperature ℃
Test stress MPa
High mechanical strength, with excellent mechanical properties in the temperature range of -253 to 700 ° C, it shows extremely high yield, tensile and creep rupture properties at high temperatures, and the yield strength below 650 ° C ranks first among deformed superalloys first place.
High corrosion resistance, excellent resistance to stress corrosion cracking and pitting corrosion in chloride-containing medium, excellent resistance to stress corrosion cracking and sulfide stress cracking in acidic (containing H2S) oil field environment .
Good processing performance, under the condition of solution annealing, the yield strength of the material is low, and the surface hardness is about HRC20 or HRA55, suitable for forging.
Excellent welding performance.
GH4169 has good fatigue resistance, radiation resistance, oxidation resistance, corrosion resistance, and good processing and welding performance. It can manufacture various parts with complex shapes. It is an excellent alloy at a temperature of 650 ° C. It is mainly used in aerospace, Nuclear energy, petroleum industry, cryogenic engineering. Its most widely used is in the aviation field. Many parts of modern aero-engines, such as turbine discs, blades, casings, shafts, stators, seals, supports, pipes, fasteners, etc., are made of GH4169.
Shanghai HY Industry Co., Ltdhas international first-class material production equipment such as high temperature alloy isothermal forging production line, CONSARC vacuum melting furnace, VAR vacuum arc remelting furnace etc., with strong professional ability and highly responsible management team. We are a member of China Application of nuclear energy materials, Member of the International Council of the Aeronautical Sciences. Years of experience in Corrosion Resistant Alloy & Superalloy. When you have superalloy material inquiry, please contact us without hesitation. Shanghai HY Industry Co., Ltd is Corrosion & fatigue nickel alloy professional manufacturer,We will provide you with sincere and thoughtful service.
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