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CSF-71S

For 490N/mm2 class high strength steel and low temperature steel


Applications	Butt, fillet welding of 490N/mm2 class high strength steel and low temperature steel of structure such as ships, bridges, buildings and storage tanks etc.
Characteristics	(1) CSF-71S is a titania type flux cored wire and designed for all-position welding by single pass & multi pass with CO2 gas shielding. (2) It provides the excellent usability with stable arc, less spattering, good bead appearance, better slag removal, and less quantity of welding fume comparable to solid wire. (3) It provides a good welding efficiency thank to high deposition rate particularly. (4) Weld metal has good impact properties at -40℃.
Notes on usage	(1) The optimum flow of CO2 for shielding is 20~25ℓ/min. (2) The distance between tip & base metal is to be 20~25mm. (3) Protect the weld with a screen to prevent blowholes caused by wind where the wind velocity is 2m/sec and more. (4) Thick heavy plate should be welded under proper preheating & interpass temperature.
Shielding Gas	100%CO2