·ER49-1 is suitable for single and multi-pass welding and welding of ordinary steel structures.
·ER50-3 is suitable for construction machinery, automobiles, steel structures, pipelines, containers, boilers and pressure vessels, arc welding robot welding.
·ER50-G is suitable for single and multi-pass welding, thin plate welding, high-speed welding and general structural welding.
·ER50-6 is suitable for robot welding of construction machinery, automobiles, steel structures, pipelines, containers, and arc welding.