490MPa high tensile strength steel
KC-25
Suited for welds that are subject to enamelling or galvanising due to low Si-content
- KS D 7025 : YGW14
- AWS A5.18 : ER70S-3
- EN 14341-A : G 42 2 C G2Si1
- EN 14341-B : G 49A 2 C G3
- JIS Z 3312 : G 43 A 0 U C 3
KC-25M
Suited for application of sheet metal with mixture gas and all welding positions
- KS D 7025 : YGW16
- AWS A5.18 : ER70S-3
- EN 14341-A : G 42 2 M G2Si1
- EN 14341-B : G 49A 2 M G3
- JIS Z 3312 : YGW16
KC-26
For butt and fillet welding of ship-building, bridges, structural steel, steel buildings, machineries and vehicles
- KS D 7025 : YGW11
- AWS A5.18 : ER70S-G
- EN 14341-A : G 46 2 C(M) G0
- EN 14341-B : G 49A 2 C(M) G11
- JIS Z 3312 : YGW11
ZO-26
For butt and fillet welding of ship-building, bridges, structural steel, steel buildings, machineries and vehicles
- KS D 7025 : YGW11
- AWS A5.18 : ER70S-G
- EN 14341-A : G 46 2 C(M) G0
- EN 14341-B : G 49A 2 C(M) G11
- JIS Z 3312 : YGW11
ZO-50R
For robot welding of bridges, structural steel, steel buildings.Suited for multi-pass welding due to low slag and easy to remove.
- KS D 7025 : YGW11
- AWS A5.18 : ER70S-G
- EN 14341-A : G 46 2 C(M) G0
- EN 14341-B : G 49A 2 C(M) G11
- JIS Z 3312 : YGW11
KC-27
Suited for application of automatic pipe welding with carbon dioxide or mixture gas
- KS D 7025 : YGW15
- AWS A5.18 : ER70S-G
- EN 14341-A : G 46 2 M G0
- EN 14341-B : G 49A 2 M G15
- JIS Z 3312 : YGW15
ZO-27
Suited for application of automatic pipe welding with carbon dioxide or mixture gas
- KS D 7025 : YGW15
- AWS A5.18 : ER70S-G
- EN 14341-A : G 46 2 M G0
- EN 14341-B : G 49A 2 M G15
- JIS Z 3312 : YGW15
KC-28
Served as both carbon dioxide and mixture gas, and stable arc performance in almost welding current
- KS D 7025 : YGW12
- AWS A5.18 : ER70S-6
- EN 14341-A : G 42 2(3) C(M) G3Si1
- EN 14341-B : G 49A 3 C(M) G6
- JIS Z 3312 : YGW12
ZO-28
Served as both carbon dioxide and mixture gas, and stable arc performance in almost welding current
- KS D 7025 : YGW12
- AWS A5.18 : ER70S-6
- EN 14341-A : G 42 2(3) C(M) G3Si1
- EN 14341-B : G 49A 3 C(M) G6
- JIS Z 3312 : YGW12
KC-29
Served as both carbon dioxide and mixture gas, and stable arc performance in almost welding current
- AWS A5.18 : ER70S-6
- EN 14341-A : G 46 4 C(M) G4Si1
- EN 14341-B : G 46A 4 U C(M) G6
- JIS Z 3312 : G 55 A 4 U C G6
ZO-29
Served as both carbon dioxide and mixture gas, and stable arc performance in almost welding current
- AWS A5.18 : ER70S-6
- EN 14341-A : G 46 4 C(M) G4Si1
- EN 14341-B : G 46A 4 U C(M) G6
- JIS Z 3312 : G 55 A 4 U C G6
KC-70S2
Suited for welding of rimmed or semi-killed steel due to contaning Al, Ti and Zr as strong deoxidants
- AWS A5.18 : ER70S-2
- EN 14341-A : G 46 2 C(M) G0
- EN 14341-B : G 46A 3 C(M) G2
- JIS Z 3312 : G 49 A 3 C 2
High tensile strength steel (520~830MPa)
ZO-55
Excellent mechanical properties on high heat input (40KJ/cm) or interpass temperature(350℃)
- AWS A5.18 : ER70S-G
- EN 14341-A : G 50 0 C G0
- EN 14341-B : G 55A 0 U G18
- JIS Z 3312 : YGW18
ZO-55R
For robot welding of bridges, structural steel, steel buildings.Suited for multi-pass welding due to low slag and easy to remove.
- AWS A5.18 : ER70S-G
- JIS Z 3312 : YGW18
ZO-60
For butt and fillet welding of machineries, heavy equipments and pressure vessels
- KS D 7025 : YGW21
- AWS A5.28 : ER80S-G
- EN 16834-A : G 55 2 C Z
- EN 16834-B : G 62A 2 U C 3M1T
- JIS Z 3312 : G 59J A 1 U C 3M1T
ZO-90
For butt and fillet welding of machineries, heavy equipments and pressure vessels
- AWS A5.28 : ER90S-G
- EN 16834-A : G 62 3 M Z
- EN 16834-B : G 69A 3 U M 3M1T
- JIS Z 3312 : G 62 A 3 M 3M1T
ZH-90
For butt and fillet welding of machineries, heavy equipments and pressure vessels
- AWS A5.28 : ER90S-G
- EN 16834-A : G 62 6 Mn3Ni1Mo
- EN 16834-B : G 69A 6 U M N2M1T
- JIS Z 3312 : G 62 A 6 U M N2M1T
ZH-100
For butt and fillet welding of machineries, heavy equipments and pressure vessels
- AWS A5.28 : ER100S-G/1
- EN 16834-B : G 69A 2 U M N3M2
- JIS Z 3312 : G 62 A 2 M N3M2
ZH-120
For butt and fillet welding of construction machine, heavy equipment and pressure vessels
- AWS A5.28 : ER120G
- EN 16834-A : G 69 6 M Z
- EN 16834-B : G 83A 6 U M 0
- JIS Z 3312 : G 78 A 6 M 0