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            Inconel625

            Inconel 625 NO6625

            Inconel 625 Features and Applications Overview:

            The alloy is molybdenum and niobium as the main strengthening element of the solid solution strengthened nickel-based superalloy with excellent corrosion resistance and oxidation performance, from low to 980 have good tensile properties and fatigue properties, and salt-tolerant Fog corrosion in the atmosphere. Therefore, it can be widely used in the manufacture of aeroengine parts, aerospace structural parts and chemical equipment.

            Inconel 625 Similar brands:

            NS336 GH3625 GH625 (China), NC22DNb (France), W.Nr.2.4856 (Germany)

            Inconel 625 Chemical composition:

            Alloy
            Grade

            %

            Ni

            Cr

            Fe

            Mo

            Nb

            Co

            C

            Mn

            Si

            S

            Cu

            Al

            Ti

            Inconel
            625

            Min

            Margin

            20.0

            8.0

            3.15

            Max

            23.0

            5.0

            10.0

            4.15

            1.0

            0.10

            0.5

            0.5

            0.015

            0.07

            0.4

            0.4

            Inconel 625 Physical properties:

            Density
            g/cm3

            Melting point

            Thermal conductivity
            /(W/m•)

            Specific heat capacity
            J/kg•

            Elastic Modulus
            GPa

            Shear modulus
            GPa

            Resistivity
            ̦•m

            Poisson's ratio

            Linear expansion coefficient
            a/10-6-1

            8.44

            1290

            1350

            12.1(100)

            430

            205

            79

            1.28

            0.308

            12.3(20~100)

            Inconel 625 Mechanical properties: (at 20 to detect the minimum mechanical properties)

            Heat treatment methods

            tensile strengthb/MPa

            Yield Strengthp0.2/MPa

            Elongation5/%

            Brinell hardness HBS

            Solution treatment

            830

            410

            30

            290

            Inconel 625 aИ˜ʣ

            Standard

            Bar

            Forgings

            Plate (with) material

            Wire

            Pipe

            American Society for Testing and Materials

            ASTM B446

            ASTM B446

            ASTM B443

            ASTM B444

            ASTM B704

            ASTM B705

            American Aerospace Materials Technical Specification

            AMS 5666

            AMS 5666

            AMS 5599

            AMS 5837

            AMS 5581

            American Society of Mechanical Engineers

            ASME SB446

            ASME SB446

            ASTM SB443

            ASME SB444

            Inconel 625 metallographic structure

            The microstructure of the alloy is austenite matrix and a small amount of TiN, NbC, and M6C phases in the solution state. The precipitated phases are ', , M23C6 and M6C after aging at 650-900 for a long time.

            Inconel 625 process performance and requirements:

            1, the alloy has good cold and hot forming properties, ingot forging heating temperature 1120 .
            2, the average grain size of the alloy and forging deformation degree, the final forging temperature is closely related.
            3, the alloy welding performance is good, can be protected under the atmosphere with tungsten or the alloy as a material for argon arc welding, but also can be used for brazing and resistance seam welding.
            4, the surface treatment process: remove the oxide surface when the first alkaline base wash, then acid sales, hydrofluoric acid - water pickling.
            5, when the alloy cold working when the processing capacity is greater than 15%, after annealing to be annealed.

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