Kfx, 71t excellent for welding 490n/mm2grade steel. It provides good good slag, Mechanical properties removal and, And excellent weldability, Deep penetration, Stable arc, Less fume excellent x, Ray quality welds. Ideal for multi, Pass welding in ship, Building, Tanks, Bridges, Ferrous constructions and constructions. The typical chemical composition of weld metal wt% csimnps0. 0500. 511. 260. 0100. 008typical structural features of weld metaltensile strengthn/mm2???kgf/mm2???yield strengthn/mm2???kgf/mm2???elongation%charpy v, Notch???j kg, M 570 58. 1 510 52. 0 29, 18100 9. 8, 2985 8. 7 size and suggested operating range dc, Diameter mm 1. 21. 41. 6ampf120~300150~400180~450h, Fillet120~300150~350180~400v, Up120~200150~320180~240h120~280150~320180~350v, Down200~260220~270230~280