Nikko Steel Kawat Las Elektroda NCNb-25.35 (MMA Electrodes For Superaustenitic Alloys and Modified Austenitics)

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    Product Descripstion :
    NO SPECIFICATION EXISTS BUT MAY BE COMPOSITIONALLY CODED AS 25Cr - 35Ni - Nb
    Superaustenitic for welding ASME A297 HP40Cb.
    Manufactured on a high purity Cr Ni wire, the chemically basic flux provides high resistance to microfissuring when welding thick sections and ensures low levels of non-metallic inclusions.


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    Product Description :

    NO SPECIFICATION EXISTS BUT MAY BE COMPOSITIONALLY CODED AS 25Cr - 35Ni - Nb

    Superaustenitic for welding ASME A297 HP40Cb.

    • Manufactured on a high purity Cr Ni wire, the chemically basic flux provides high resistance to microfissuring when welding thick sections and ensures low levels of non-metallic inclusions.

    • The flux is extruded on to the core wire using a blend of silicates that ensures both coating strength and a coating resistant to subsequent moisture absorption.

    Welding Features Of The Electrode :

    • Suitable for use on DC+ only, the arc is stable and directional but strike and restrikes should be made with the back-step technique. The weld beads are bright with fillet welds having a convex profile. Slag detachability is good even in thick

    • butt welds. Positional welding is best undertaken with 3.2mm and smaller diameters.

    • Metal recovery is some 130% with respect to weight of core wire.

    Applications And Materials To Be Welded :

    • Designed for welding similarly alloyed castings covered by

    • ASTM - ASME A297 HP40Cb.

    Proprietary alloys include:

    • Paralloy H39W (Doncaster Paralloy) Lloyds T64 (LBA)

    • Thermalloy 64 (Duralloy) Pyrotherm G25/35Nb and NbTZ (Pose Marre)

    • For the above, the alloy provides good strength and creep resistance up to

    • 1100 C and is resistant to sigma phase formation and thus embrittlement. 


    Specifications for Nikko Steel Kawat Las Elektroda NCNb-25.35 (MMA Electrodes For Superaustenitic Alloys and Modified Austenitics)

    Uk. Elektroda 2.6 mm atau 3.2 mm atau 4.0 mm atau 5.0 mm