KT Group Members

Applications and Features

(1)     KMX-70M is suitable for welding 490N/mm² grade steel.

(2)     Higher deposition rate and faster travel speed can increase the welding efficiency.

(3)     Stable arc, less spatter and good bead appearance.

(4)     Ideal for machinery, steel structure, bridge, construction machine, LPG, pipeline, offshore structure and foundation of offshore wind mill.

Welding position

Welding Instruction

Please refer to Appendix D.

Typical Chemical Composition of Weld Metal (wt%)

C

Si

Mn

P

S

0.06

0.58

1.55

0.019

0.007

Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

℃

J

572

492

30

-40

61

Size and Suggested Operating Range (DC+)

Diameter (mm)

0.9

1.2

1.4

1.6

F/HF

55~250A/16~28V

100~300A/16~30V

200~450A/18~43V

250~500A/20~45V