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Nickel Alloy Inconel 625

Nickel Alloy Inconel 625 

Nickel 625 is a Nickel-Chromium based super alloy used where extreme temperatures and pressures are prevalent. Also known as Inconel 625, this grade is heavily used in the aerospace industry, often for turbine blades, turbocharger rotors and seals, heat exchanger tubing, pressure vessels and more. Nickel 625 forms a protective layer on its surface when heated, protecting the material from further heat and corrosive damage.

This grade can perform well in temperatures from below -238°F to 1800°F while maintaining mechanical and corrosion-resistant properties. The uses for this material vary widely, from heavy use in marine defense for propeller blades, submarine fittings and auxiliary propulsion motors, exhaust ducts and transducer controls, to nuclear applications such as reactor-core and control rod components.

Chemical Composition Limits
Weight % Ni Cr Mo Nb + Ta Fe Ti C Mn Si S P Al Co
Alloy 625 58.0 min 20 - 23 8 -10 3.15 -4.15 5.0 max 0.40 max 0.10 max 0.50 max 0.50 max 0.15 max 0.15 max 0.40 max 1.0 max

                                                   

Material Form and Condition Tensile Strength MPa Yield Strength (0.2% Offset) MPa Elongation 4D(%) Hardness HB
Ksi MPa Ksi MPa
Alloy 625 Bar Annealed 120 827 60 414 30 ≤ 287 HB
Alloy 625 Sheet Annealed 120 827 60 414 30 145-240
Alloy 625 Tube
Seamless and Welded
Annealed 120 827 60 414 35 -