Method and shielding gas for welding of cast iron

摘要

Process for welding cast iron materials uses a metal arc gas (MAG) welding process. An Independent claim is also included for a protective gas mixture for MAG welding cast iron materials containing 1-8 vol.% oxygen and a balance of argon or 1-18 vol.% carbon dioxide and a balance of argon or 1-8 vol.% oxygen, 1-18 vol.% carbon dioxide and a balance of argon