Nikko Steel Kawat Las Elektroda RD-100 (MMA Electrodes For High Tensile Low Alloy Steels)

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Steels with UTS 700N/mm2
The design emphasis of the chemically basic flux is engineered to ensure the optimum weld metal properties demanded by the specification are fully met.


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Product Description :

Steels with UTS 700N/mm2

  • The design emphasis of the chemically basic flux is engineered to ensure the optimum weld metal properties demanded by the specification are fully met.

  • The basic flux containing the appropriate alloying elements but minimal iron powder, is extruded onto a high purity ferritic core wire and bound with a blend of silicates that ensure both coating strength and a coating resistant to subsequent moisture absorption.

Welding Features Of The Electrode :

  • The chemical nature of the flux together with its controlled coating factor allows the electrode to be used at relatively low amps. This factor together with the fairly fluid but quick freezing slag facilitate vertical up welding including controlled penetration root runs.

  • Overall the arc is very stable, slag detachability is good, fillet welds are slightly convex and metal recovery is some 98% with respect to weight of the core wire.

Applications And Materials To Be Welded :

  • Ferritic high strength low alloy (HSLA) steels, eg: quenched and tempered AISI 4130, 4140, BS970 709M40 (En19), and DIN 42CrMo4.

  • Fabrication of higher strength steels involving a requirement to meet a minimum all-weld metal UTS of 700 N/mm2 (100 ksi) with butt welds in the stress relieved condition.

  • For offshore oil well-head process pipework and fittings, these nickel-free electrodes satisfy NACE MR-0175 requirements intended to ensure resistance to

  • sulphide-induced stress corrosion cracking combined with good sub-zero notch toughness.

Specifications for Nikko Steel Kawat Las Elektroda RD-100 (MMA Electrodes For High Tensile Low Alloy Steels)

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

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