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PRODUCT	STANDARD			APPLICATION
PRODUCT	AWS	JIS	KS	APPLICATION
K-71T	E71T-1	YFW-C50DR	YFW-C50DR	Butt and fillet welding of carbon steel for machineries, cars, shipbuilding, bridges, etc.
K-71TLF	E71T-1	YFW-C50DR	YFW-C50DR	Butt and fillet welding of carborn steel for machineries, cars, shipbuilding, bridges, etc.
K-71TM	E71T-1M	YFW-A50DR	YFW-A50DR	All position welding of machineries, shipbuilding, bridges, vehicles using carbon steel.
K-70TB	E70T-5M	YFW-A502B	YFW-A502B	Butt and fillet welding of fabricatins such as bridges and structures.
K-70T	E70T-1/-1M	YFW-C50DM	YFW-C50DM	Flat and H-fillet welding of medium and heavy thick plate with higher deposition rate as shipbuildings, steel structures and bridges, etc.
K-70ST	E70T-1	YFW-C50DM	YFW-C50DM	For flat or horizontal fillet MAG welding mild and 490N/mm2 high tensile steel K-70ST is most suitable for welding of inorganic zinc-rich primer coated steels, often used in machinery, steel fabricatins and construction industries.
KX-100	E70C-3C	YFW-C50DM	YFW-C50DM	Butt and H-fillet welding of steel structures such as construction machines, industrial machinery and buildings, etc.
KX-70CM	E70C-3M	YFW-A50DM	YFW-A50DM	Butt and H-fillet welding of steel structures such as construction machines, industrial machinery and building, etc.
KX-706M	E70C-6M	YFW-A502M	YFW-A502M	Butt and H-fillet welding of steel structures as construction machines, industrial machinery and building, etc.
KX-200	E70T-1	YFW C50DM	YFW C50DM	Flat and H-filet welding of medium and heavy thick plate with higher deposition rate as shipbuildings, steel structures and bridges, etc.
KX-200H	E70T-1	YFW-C50DM	YFW-C50DM	For flat or horizontal fillet (tandem) MAG welding of mild and 490N/mm2 high tensile steel. KX-200H is most suitable for filet welding of inorganic zinc-rich primer coasted steels, often used in the machinery, steel fabrication and bridge construction industries. Welding speed is very high(Twin-Tandem 1000mm/min)
K-61T	E61T-G	YFW-A430R	YFW-A430R	K-61T is designed for MAG welding of POS-AG steel and low silicon steel for single and multi-pass applications.
K-71TLF	E71T-1/ -1M	YFW-C502R	YFW-C502R	K-71TLF is formulated for welding of 490MPa high tensile steel with outstanding mechanical properties. Typical applications include machineries, shipbuilding, offshore structures, bridges and general fabrications.
K-71TB	E71T-5/-5M	YFW-A502B	YFW-A502B	K-71TB is designed for the semi-automatic welding of carbon steels, and for the welding of higher strength steels in applications where the risk of hydrogen-induced cracking is to be avoided.
K-NGS4	E71T-5/-5M	YFW-S50GB	YFW-S50GB	The welding of heavy machinery, large construction components where appropriate, and stiffeners in large building. This wire is intended for semiautomatic and automatic, single- and multiple-pass welding in the flat and horizontal positions.
K-91T	E91T1-Ni1	YFW-C602R	YFW-C602R	K-91T is designed for welding of 630MPa high tensile steel for low temperature