This presentation covers everything you need to know about hardfacing overlay welding — from surface preparation and material deposition to choosing the right hardfacing electrode or wire for your specific wear challenge. Explore chromium carbide, tungsten carbide, and niobium carbide materials, understand the difference between SMAW electrodes and GMAW wires, and see how the LoTherme product range (617M, 470M, GS-535, OA-618, 607H) delivers consistent, field-proven performance across mining, construction, railway, steel, cement, and agriculture sectors.