Metal-Cored Wire Without Slag Formers

Physical-Chemical Mechanism of Action

Metal-cored wire without slag formers contains a metal powder core that is converted to gas and liquid during welding. This process prevents slag formation and produces a dense, smooth weld.

Metallurgical Relevance & Risks in Welding

Using this wire increases penetration and improves the mechanical properties of the weld. However, the lack of slag formers can lead to irregular weld shape and possible cracks if not used correctly.

Workshop Practice & Instructions

Use metal-cored wire without slag formers in the MAG process at high heat input. Make sure the wire is loaded correctly and the welding parameters (voltage, current) are set. Check the weld for cracks or uneven deformation.