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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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