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ASTM A789 UNS S31803 Duplex Stainless Steel Tubing Seamless Good Weldability

Categories Stainless Steel Tubing
Brand Name: Y & G
MOQ: Negotiation
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 8000MT/Month
Delivery Time: 25-35 days
Packaging Details: Exporting package/wooden box / per customers’ requirement
Material: S31803
Standard: ASTM A790
Type: Seamless
Length: 18000max.
Inspection: The third party is acceptable
Heat treatment: Solution, Annealed
Surface Condition: Polished, Pickled
Certificate: EN 10204 3.1
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    ASTM A789 UNS S31803 Duplex Stainless Steel Tubing Seamless Good Weldability

    ASTM A789 UNS S31803 Duplex Seamless Stainless Steel Tube

    Supply Ability
    Supply Ability:
    800 Ton/Tons per Month
    Packaging & Delivery
    Packaging Details
    Bundled by nylon sheet , and put into wooden case.
    Other packing as per customer requirement.
    Port
    Shanghai
    Size Range:
    Outer DiameterTolerance
    6~300.15/-0.2
    >30-50±0.30
    ≤50±0.75%D
    Wall ThicknessTolerance
    D≤3820%/t, -0
    D>3822%/t, -0
    BendTolerance
    T≤151.5mm
    T≤151.5mm

    Chemical Composition(%)(max.):

    UNS

    Designation

    CMnPSSiNiCrMoN
    S318030.032.000.030.021.04.5-6.521.0-23.02.5-3.50.08-0.20
    Tensile and Hardness Requirements:
    UNS Designation

    Tensile Strength,

    min,Mpa

    Yield Strength,

    min Mpa

    Elongation in 2in,

    or 50mm, min,%

    Hardness, max
    HBWHRC
    S318036204502529030
    Features:
    1.Superior resistance to general and local corrosion, especially to stress corrosion, pitting corrosion, crevice corrosion, corrosion fatigue and abrasion & corrosion.
    2.Good weldability
    3.Good mechanical properties
    4.Excellent intergranular corrosion resistance
    5.High cost-effectiveness, long life time
    China ASTM A789 UNS S31803 Duplex Stainless Steel Tubing Seamless Good Weldability factory
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