• GEE Limited

Graphite Flux Low Heat Input Electrodes

GEE Limited set up its first welding electrode manufacturing plant in India with through a technical collaboration with a German company in the year 1969. Today, the company’s unmatched expertise in welding technology and metallurgy, driven by in-house R&D and global networking and documentation systems can solve welding problems however intricate they may be. It has now set up two green field plants doubling the production capacity to 13,200 tonnes. These plants, ISO 9001:2000 accredited by Det Norske Veritas, are fully integrated and are equipped with modern machinery and systems for production, packing and dispatch. The company offers Graphite Flux Low Heat Input Electrodes, Gemet 503B. This is a specially formulated, fully basic, graphite flux low heat input electrode designed to weld all weldable cast iron with superior strength that helps in verification of defects in heavy castings and for welding of cast iron to mild steel. The electrode has good welding properties with uniform beads. The deposit is machinable and crack-proof. The deposited weld metal is less sensitive to hot cracking caused by pick-up of impurities such as phosphorus, which are often present in iron castings. The electrode does not get red hot during welding and hence can be used to its full length without any wastage. Typical applications: joining, repairing and surfacing of all cast iron components, viz., engine heads, pump casings, impellers, rope drums, machinery parts, ingot moulds, gears, transmission housings, spheroidal graphite (SG) cast iron, nodular or ductile iron or some alloy cast iron etc. Procedure: use shortest possible arc with minimum weaving, welding instructions: clean the welding area thoroughly, vee angle of butt joint should be min 70°, remove the oxide film by grinding 10 mm beside the joint. Keep the arc short.