Alloy 718 (AMS 5662 and 5663)

    Alloy 718 (AMS 5662 and 5663)

    vSM offers many different conditions of creep resistant 718 Nickel Alloys. AMS 5662 solution treated and AMS 5663 solution treated and aged, as well as many other customer specific conditions. AMS 5662 is the rawest state of 718, and the softest condition of the AMS group. It can be heat treated into AMS 5663. This heat treatment can be done in two ways to achieve specific outcomes such as optimum impact properties, or optimum tensile and creep-rupture properties. The hardness of AMS 5662 Max 28HRC in annealed condition and can increase upon aging to about 36-43 HRC.

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    Alloy 718 (AMS 5662 and 5663) Specification/Condition

    • AMS 5662 / AMS 5663, UNS N07718

    Alloy 718 (AMS 5662 and 5663) Applications

    • MWD/LWD Tools
    • Downhole drilling components
    • Sub-surface safety valves
    • Gas turbine components
    • High strength bolting
    • Fasteners
    • Springs
    • Pump parts & shafts

    Alloy 718 (AMS 5662 and 5663) Technical Data

    • UTS (KSI): min 185ksi
    • Yield 0.2% Offset (KSI): min 150ksi
    • EL (% Min): 12%
    • RA (% Min): 15%
    • Hardness (BHN): Min331BHN.

    The data above based on longitudinal specimen tested at room temperature to ASTM E9/E8M

    Stocking Dimensions

    • Bar: 0.5 – 12.0 dia
    • Bored Bar with bespoke internal diameters via vSM’s in-house deep hole drilling and honing capabilities

    Alloy 718 (AMS 5662 and 5663) Chemical Composition (Wt %)

     

    Carbon
    (C)
    Manganese
    (Mn)
    Phosphorus
    (P)
    Sulfur
    (S)
    Silicon
    (Si)
    Nickel
    (Ni)
    Cobalt
    (Co)
    0.08 Max 0.35 Max 0.015 Max 0.015 Max 0.35 Max 50.00%-55.00% 1.00 Max

     

    Chromium
    (Cr)
    Molybdenum
    (Mo)
    Niobium + Tantalum
    (Nb (Cb) + Ta)
    Titanium
    (Ti)
    Copper
    (Cu)
    Aluminum
    (Al)
    Iron (Fe) & Others
    17.00%-21.00% 2.80%-3.30% 4.75% -5.50% 0.65%-1.15% 0.30% Max 0.20%-0.80% Remainder

    B 0.006%, Pb 5PPM,  Bi 0.3PPM, and Se 3PPM,  Max

    Fe Balance

     

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