TL-80 is a low hydrogen type electrode for the welding of 620N/mm2 grade high tensile steel in all-position welding. It provides excellent mechanical properties and X-ray test. Due to its good crack resistance, it is suitable for shipbuilding, machine fabrication, offshore structure, pressure vessel, high pressure pipe. Proper base metals also include forging, cast iron, structural steel, steel pipe for heat transfer, pressure vessel, alloy steel, ASTM A202/486 Gr90/736 Gr3, etc..