KT Group Members

Applications and Features

(1)    Suitable for welding 490N/mm2 grade steel.

(2)    Low spatters, high deposition rate (about 150% ) and good crack resistance.

(3)    Applicable for shipbuilding, bridges and vehicles. Ideal for the flat /horizontal position and gravity welding.

Welding position

Welding Instruction

Please refer to Appendix A.

Typical Chemical Composition of Weld Metal (wt%)

C

Si

Mn

P

S

0.07

0.23

0.58

0.012

0.010

Typical Mechanical Properties of Weld Metal

Tensile Strength N/mm²

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

℃

J

540

490

28

0

98

-18

82

Size and Suggested Operating Range (AC or DC+)

Diameter (mm)

3.2

4.0

5.0

6.0

Current

(A)

F/H-Fillet

160~200

200~240

230~270

300~350