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PRODUCT	STANDARD			COVERED ARC WELDING ELECTRODES	APPLICATION
PRODUCT	AWS	JIS	KS	COVERED ARC WELDING ELECTRODES	APPLICATION
K-7010A1	E7010-A1	-	-	High cellulose type	Welding of C-0.5% Mo steel pipes used for high pressure, high temperature steam service, structural steel and plates or castings. Welding of long distance pipe lines.
K-7016A1	E7016-A1	DT1216	DT1216	Low hydrogen type	Welding of alloys used for high temperature service such as C-Mo steel pipes(STPA 12,A335-P1), boiler and heat exchanger steel tubes(STBA 12, A208-T1), rolled steels(A204-A,B,C), cast steel(A217-WCi) and forged steels(A182-F1, A336-F1).
K-8016B1	E8016-B1	-	-	Low hydrogen type	Welding of 0.5%Cr-0.5Mo steel used for high temperature service and high pressure boilers, chemical equipments and Oil refining plants.(A335-P2,A213-T2).
K-8016B2	E8016-B2	DT2316	DT2316	Low hydrogen type	Welding of 1.25%Cr-0.5%Mo steel used for super-heater tubes, steam pipes and heaters of boilers for themoelectric power plant and equipments of Oil refining industries. Welding of piping steel, boiler and heat exchanger steel tubes, rolled steel, cast steel and forged steel.
K-9016B3	E9016-B3	DT2416	DT2416	Low hydrogen type	Welding of 2.25% Cr-1%Mo steel used for super-heat tubes, and steam pipes of boilers for electric power plant and equipments for oil refining industries and high temperature synthetic chemical industries. Welding of piping steels, boiler, and heat exchanger steel tubes, rolled steels, cast steels and forged steels.
K-502	E502-16	DT2516	DT2516	Low hydrogen type	Welding of heat treated high tensile strength steel for aircraft parts, such as SAE4130. Welding of 5%Cr-0.5%Mo steel used in oil refining and chemical industries.
K-502-15	E502-15	DT2516	DT2516	Low hydrogen type	Welding of heat treated high tensile strength steel for aircraft parts, such as SAE 4130. Welding of 5%Cr-0.5%Mo steel used in oil refining and chemical industries.
K-505	E505-16	DT2616	DT2616	Low hydrogen type	Welding of super-heater tubes of high temperature and high pressure boilers, heater tubes of oil refining qeuipments.
K-505-15	E505-15	DT2616	DT2616	Low hydrogen type	Welding of super-heater tubes of high temperature and high pressure boilers, heater tubes of oil refining equipments.
K-7018A1	E7018-A1	-	-	Low hydrogen, iron powder type	Welding of high strength low alloy steel of 490N/mm2 minimum yield point and 0.5%Mo steel of pressure piping, casting and general fabrication of pressure vessel.
K-8018B2	E8018-B2	DT2318	DT2318	Low hydrogen, iron powder type	Welding of 1.25%Cr-0.5%Mo steel used for steam pipes of boilers, oil refining industries, castings and pressure vesels for high temperature service, high temperature synthetic chemical industries.
K-9018B3	E9018-B3	DT2418	DT2418	Low hydrogen, iron powder type	Welding of 2.25%Cr-1Mo steel used for main steam pipes of boilers for electric power plant and marine use, equipments for oil refining industries and high temperature synthetic industries.