Super 13Cr

    Super 13Cr

    Super 13Cr is a martensitic stainless steel that offers high performance and excellent corrosion resistance in oilfield environments containing CO2, chlorides and low concentrations of H2S.  It is available in two conditions. A 95 ksi min yield condition that is suitable for limited NACE sour service environments with a maximum hardness of 28 HRC.  A 110 ksi version is also available for standard and CO2 oilfield environments. This material is commonly used in downhole completion tools for components such as offset mandrels, packers, and safety valves among other applications.

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    Super 13Cr Specification/Condition

    • UNS S41425, S41426 and S41427, ASTM A-276 / 95KSI and 110 KSI Condition

    Super 13Cr Applications

    • Mandrels
    • Packers
    • Drill collars
    • Completion accessories

    Super 13Cr Technical Data

    Mechanical Property Condition 95 KSI
    (NACE MR0175)
    Condition 110KSI
    (NORSOK M650)
    UTS (KSI) Min 105 KSI Min 125 KSI
    Yield 0.2% Offset (KSI) Min 95 KSI Min 110 KSI
    Elongation % (Min) 20% 15%
    Reduction in Area % (Min) 40% 40%
    Hardness (HRC) Max 29 HRC Max 32 HRC
    Charpy Impact In ft-lbs 44 @ + 14 °F 44 @ + 14 °F

    Stocking Dimensions

    • Bar: 4.75 – 9.00 in dia
    • Bored Bar with bespoke internal diameters via vSM’s in-house deep hole drilling and honing capabilities

     

    Super 13Cr Chemical composition (Wt %)

     

    Carbon
    (C)
    Manganese
    (Mn)
    Phosphorus
    (P)
    Sulfur
    (S)
    Silicon
    (Si)
    Nickel
    (Ni)
    Cobalt
    (Co)
    0.03 Max 1.00 Max 0.02 Max 0.005 Max 0.50 Max 4.5-6.0

     

    Chromium
    (Cr)
    Molybdenum
    (Mo)
    Niobium + Tantalum
    (Nb (Cb) + Ta)
    Titanium
    (Ti)
    Copper
    (Cu)
    Aluminum
    (Al)
    Iron (Fe) & Others
    11.5-13.5 1.5-2.5 0.01 Fe– Balance, V– 0.10-0.50

     

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