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C11040-X2-1 Lincoln Bester 6013 Rutile Coated Electrodes, Full Box
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    Rapid Ref : C11040-X2-1  

    Lincoln Bester 6013 Rutile Coated Electrodes, Full Box
    C11040-X2-1

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    The coated electrode consists of a metallic core centred within a coating. The diameter and the length of a rod are defined by the dimensions of its core.

    The coating in the electrode is responsible for protecting the liquid weld pool, it can also provide alloying elements that increase the properties of the weld material.

    The coated electrode serves to create the electric arc. As it melts, it fully contributes to forming the weld bead. Its coating also protects the weld pool and the weld bead by forming the slag.

    Applications:

    Metalworking (ironwork, sheet metalwork, metal fittings, maintenance)

    • Good bead appearance
    • Very good slag removal
    • Reduced weld spatter

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    Mild Steel Electrodes FAQs

    Straight answers to common questions about general-purpose rutile electrodes for welding mild steel.

    Can I weld vertically downhill with a rutile electrode?icon-minus-redicon-plus-red

    It depends on the electrode. Many rutile electrodes are made for all positions except vertical down, because their slag and weld pool do not suit running downhill, and the result can be poor fusion and trapped slag. Some rutile electrodes are designed to weld vertical down as well, so check the positions shown on the pack or data sheet.

    For vertical joints with a general-purpose electrode, weld upwards using a smaller electrode and a lower current than you would use flat, with a slight weave to hold the pool. Rutile electrodes are especially good on horizontal-vertical fillet welds.

    Do I need to bake rutile electrodes like low hydrogen ones?icon-minus-redicon-plus-red

    No. Rutile electrodes need a little moisture in the coating to run properly, so they should not be baked in the way low hydrogen electrodes are. Keep them in their sealed packaging or a dry, warm store and they normally run straight from the pack.

    If a pack has been left open or the electrodes have become damp, re-dry them gently following the maker's instructions on the pack or data sheet. The temperature and time vary between makers, so use the figures printed on the pack rather than a general rule.

    Is a rutile electrode suitable for structural or high-toughness work?icon-minus-redicon-plus-red

    Usually not on its own. Rutile electrodes give a higher weld hydrogen level than low hydrogen types, which limits them to mild steel of modest thickness, and they are not intended for structures that need high toughness or crack resistance.

    If a drawing, specification or welding procedure calls for a particular strength, impact toughness or hydrogen level, follow it and choose the electrode type it names. For ordinary non-critical fabrication, a rutile electrode is normally fine. When in doubt, ask the person responsible for the welding procedure.

    What size electrode and current should I start with on mild steel?icon-minus-redicon-plus-red

    A widely used rule of thumb is roughly 40 amps for each millimetre of electrode diameter, so a 4 mm electrode would start around 160 amps with an acceptable range either side. Always follow the current range printed on the pack, as it varies between makers.

    Smaller diameters suit thinner steel and out-of-position work. Too high a current overheats the electrode and can cause burn-through and spatter, and too low a current causes sticking and poor fusion. Make a short test weld on scrap of the same thickness and adjust from there.

    See all 6 questions for this category

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