KT Group Members

Applications and Features

(1)     KM-50LSZ is a non-copper coating GMAW wire and suitable for welding 490N/mm² grade steel with Ar+CO₂ shielding gas.

(2)     Better wetting and bead shape on a with high-speed welding.

(3)     It improves electrodeposition coating properties due to extremely-low slag.

(4)     Ideal for welding automotive components with galvanized steel plate.

Welding Position

Welding Instruction

(1) Please use pulse mode welding.

(2) Please refer to Appendix B.

Typical Chemical Composition of Wire (wt%)

C

Si

Mn

P

S

0.05

0.08

2.15

0.012

0.007

Typical Mechanical Properties of Weld Metal

Tensile Strength N/mm²

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

℃

J

640

602

26

-20

50

Size and Suggested Operating Range (DC+)

Diameter (mm)

1.0

1.2

Current (A)

F/H-Fillet

80~250

100~300

V-up

80~140

80~160