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INCONEL 625

Inconel 625 Suppliers
  • INCONEL 625

    Inconel 625®, Chronin® 625, Altemp® 625, Haynes® 625, Nickelvac® 625, Nicrofer® 6020

    Inconel® nickel chromium alloy 625 is used for its high strength, excellent fabricability (including joining), and outstanding corrosion resistance. Service temperatures range from cryogenic to 1800°F.

    Strength of Inconel® alloy 625 is derived from the stiffening effect with molybdenum and columbium on its nickel-chromium matrix, thus hardening treatments are not required. This combination of chemical elements also is responsible for superior resistance to a wide range of corrosive environments of unusual severity as well as to high-temperature effects such as oxidation and carburization.

    The inconel 625 versatile and outstanding corrosion resistance under a wide range of temperatures and pressures is a primary reason for its wide acceptance in the chemical processing field. Because of its ease of fabrication, it is made into a variety of element and component for plant equipment. Its high strength enables it be used, for example, in thinner-walled vessels or tubing than possible with other materials, thus improving heat transfer and saving weight. Some applications requiring the combination of corrosion resistance and strength offered by Inconel® alloy 625 are tubing, reaction vessels, distillation columns, heat exchangers, transfer piping and valves.

    Inconel ® 625 is a nonmagnetic, corrosion and oxidation resistant, nickel-base alloy. It has high strength and toughness in the temperature range cryogenic to 2000°F (1093°C) which is derived largely from the solid solution effects of the refractory metals, columbium and molybdenum, in a nickel-chromium matrix. Alloy 625 has excellent fatigue strength and stress- corrosion cracking resistance to chloride ions.

    Typical applications for Alloy 625 have included heat shields, furnace hardware, gas turbine engine ducting, combustion liners and spray bars, chemical plant hardware and special seawater applications.

    Regent Steel & Engg Co. is one of the well known and leading suppliers, manufacturers and exporters of quality Inconel 625 in different forms.

    Available forms are inconel 625 pipe, inconel 625 seamless pipe, inconel 625 welded pipe, inconel 625 tube, inconel 625 seamless tube, inconel 625 welded tube, inconel 625 coil, inconel 625 round bars, inconel 625 wire, inconel 625 sheet, inconel 625 plate, inconel 625 forgings, inconel 625 fittings, inconel 625 flanges, inconel 625 fasteners.


    Chemical Analysis of ALLOY 625 (UNS N06625)

    Cr Ni Mo Co + Nb Ta Al Ti C Fe Mn Si P S
    20.00 - 30.00 Remainder 8.00 - 10.00 1.0 max 3.15 - 4.15 .40 max
    .40 max .10 max 5.0 max .50 max .50 max .15 max .15 max

    Mechanical Properties-Representative Tensile Properties, bar, 1800° F anneal

    Temp° F Tensile (psi) .2% Yield (psi) Elongation in 2 “ (%)
    70 144,000 84,000 44
    400 134,000 66,000 45
    600 132,000 63,000 42.5
    800 131,500 61,000 45
    1000 130,000 60,500 48
    1200 119,000 60,000 34
    1400 78,000 58,500 59
    1600 40,000 39,000 117

    Specification (UNS N06625)

     International Specifications  BS 3072, BS 3074, BS 3076, NA 21,DIN 17744, DIN 17750, DIN 17751, DIN 17752,  DIN 17754. Werkstoff Nr. 2.4856 AFNOR NC 22 D Nb
     Sheet/Plate  ASME SB-443 / AMS 5599 / AMS 5869
     Round Bar / Wire  ASME SB-446 / AMS 5666 / AMS 5837
     Pipe  ASME SB-444 / ASME SB-829 / ASME SB-775 / ASME SB-705
     Tube  ASME SB-444 / ASME SB-829 / ASME SB-751 / ASME SB-704 / AMS 5581
     Fittings  ASME SB-366
     Forgings  ASME SB-564 / AMS 5666