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Stainless Steel Inconel 625 Pipe

Country/Region china
Company Shanghai Yikai Metal Products Co.,Ltd!
Categories Stainless Steel Parts
Telephone 0086-21-60896222
ICP License Issued by the Chinese Ministry
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    Stainless Steel Inconel 625 Pipe

    Inconel 625 Pipe

    Inconel 625 is a corrosion and oxidation resistant nickel alloy that is used both for its high strength and outstanding aqueous corrosion resistance. Its outstanding strength and toughness is due to the addition of niobium which acts with the molybdenum to stiffen the alloy's matrix. Alloy 625 has excellent fatigue strength and stress-corrosion cracking resistance to chloride ions. This nickel alloy has excellent weldability and is frequently used to weld AL-6XN. This alloy resists a wide range of severely corrosive environments and is especially resistant to pitting and crevice corrosion. Some typical applications Inconel 625 is used in are chemical processing, aerospace and marine engineering, pollution-control equipment, and nuclear reactors.

    Limiting Chemical Composition, %
    Nickel....................................58.0 min.
    Chromium.............................20.0-23.0
    Iron........................................5.0 max.
    Molybdenum...........................8.0-10.0
    Niobium (plus Tantalum)..........3.15-4.15
    Carbon...................................0.10 max.
    Manganese............................0.50 max.
    Silicon...................................0.50 max.
    Phosphorus...........................0.015 max.
    Sulfur....................................0.015 max.
    Aluminum..................................0.40 max.
    Titanium..................................0.40 max.
    Cobalt ..................................1.0 max.

    Fabrication with Inconel 625

    Alloy 625 has excellent forming and welding characteristics. It may be forged or hot worked providing temperature is maintained in the range of about 1800-2150 F degree. Ideally, to control grain size, finish hot working operations should be performed at the lower end of the temperature range. Because of its good ductility, alloy 625 is also readily formed by cold working. However, the alloy does work-harden rapidly so intermediate annealing treatments may be needed for complex component forming operations. In order to restore the best balance of properties, all hot or cold worked parts should be annealed and rapidly cooled. This nickel alloy can be welded by both manual and automatic welding methods, including gas tungsten arc, gas metal arc, electron beam and resistance welding. It exhibits good restraint welding characteristics.

    Standard:

    SMLS Pipe ASTM B 444/B 829 & ASME SB 444/SB 829

    Weld Pipe ASTM B704/B 751 &ASME SB 704/SB 751

    Applications of Inconel 625:


    Aircraft ducting systems
    Aerospace
    Jet engine exhaust systems
    Engine thrust-reverser systems
    Specialized seawater equipment
    Chemical process equipment


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