KT Group Members

Applications and Features

(1)    KM-56Z is a non-copper coating GMAW wire and suitable for welding 490N/mm² grade steel.

(2)    Wide operation range, stable arc and low spatters.

(3)    It is designed for welding in vehicles, ship-building, steel structures, bridges and pipes with single pass or multi-pass welding.

Welding Position

Welding Instruction

Please refer to Appendix B.

Typical Chemical Composition of Weld Metal (wt%)

C

Si

Mn

P

S

0.08

0.65

1.16

0.015

0.011

Typical Mechanical Properties of Weld Metal

Tensile Strength N/mm²

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

℃

J

548

433

29

0

130

-30

95

Size and Suggested Operating Range (DC+)

Diameter (mm)

0.8

0.9

1.0

1.2

1.4

1.6

Current

(A)

F

50~180

50~200

50~220

80~350

100~470

200~500

V-up

50~100

50~140

50~140

50~140

100~180

-

OH

50~100

50~120

50~120

50~160

-

-

V-down

50~100

50~200

-

-

-

-