KT Group Members

Applications and Features

(1)     KFX-70GS is suitable for welding 490N/mm² grade steel without shielding gas.

(2)     Stable arc, good slag removal and good bead appearance.

(3)     Ideal for repairing agricultural implements, machinery and light steel structure.

Welding position

Welding Instruction

Please refer to Appendix D.

Typical Chemical Composition of Weld Metal (wt%)

C

Si

Mn

P

S

Al

0.17

0.05

0.77

0.028

0.005

0.12

Typical Mechanical Properties of Weld Metal

Tensile Strength N/mm²

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

℃

J

613

475

20

-

-

Size and Suggested Operating Range (DC+)

Diameter (mm)

0.8

0.9

1.2

1.6

F/HF

100~150A/17~19V

100~160A/17~20V

140~250A/18~24V

160~280/18~26V