KT Group Members

Applications and Features

(1)  General purpose flux designed to weld butt joints and both single and multiple pass fillets.

(2)  Good mechanical properties, deep penetration, good bead appearance, good slag removal and excellent X-ray quality welds.

(3)  Suitable for welding carbon steel and 490N/mm² grade steel in ship-building, steel structures, bridges and pipes.

Welding Position

Welding Instruction

Please refer to Appendix E.

Typical Chemical Composition of Weld Metal (wt%)

C

Si

Mn

P

S

0.08

0.38

1.61

0.015

0.010

Typical Mechanical Properties of Weld Metal

Heat treatment condition

Tensile Strength

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

N/mm²

N/mm²

%

℃

J

As-welded

580

500

29

0

70

-29

58

PWHT

497

405

36

0

68

-29

50

Size and Suggested Operating Range (AC/DC+)

Diameter (mm)

3.2

4.0

4.8

5.6

Current (A)

F/H-fillet

300~450

400~600

500~700

600~1000