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MIG MAG WELDING
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TIG WELDING
TIG TORCHES AND PARTS
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TIG WIRES
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- DISSIMILAR & LOW ALLOY
- TOOL STEEL & COBOLT
- CAST IRON
- TITANIUM ALLOYS
- ALUMINIUM & MAGNESIUM ALLOYS
TIGARC TUNGSTENS
FRONIUS STYLE
- ARC WELDING & ACCESSORIES
- PLASMA CUTTING
- SAFETY
- GAS EQUIPMENT
- ABRASIVES
- FUME EXTRACTION
- Repairs
- Resistance Welders
ESAB OK 92.18 - 4.00 mm Cast Iron Welding Electrode 2.3kg Pkt
PRODUCT ENQUIRY
Description
OK 92.18 is the latest generation low heat electrode for most fail-safe welding of cast iron. It deposits an extremely soft and ductile weld metal. The weld metal has very high crack-resistance and easy machinability. The welding arc is smooth, stable and with a controlled penetration to ensure reduced base metal dilution.
Alloy Base: Ni, Si, Fe,
Features and Benefits:
Superb slag detachability.
Excellent weld bead appearance.
Preheat is seldom necessary.
Barium Free
Application:
Ductile repairs and build-up of cast iron components, salvaging of casting defects like blowholes, pit marks and scratches, reclaiming gears and pulleys, water pump housings, cylinder blocks, lathe beds.
Buttering cast iron sections before joining with iron-nickel alloy consumables.
Welding Procedure:
Welding area should be cleaned of scales, grease, oil impurities and dirt.
Cracks should be absolutely removed by gouging or cutting with OK 21.03.
Welding should be done in stringer beads/skip welding/backstep welding.
When welding thick sections, preheating up to 150-200°C will keep the weld more ductile.
Reinforcing studs should be used when the volume of weld metal required is more.
Light peening of the weld metal is advisable at hot stage to minimize shrinkage stresses.
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