KT Group Members

Applications and Features

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

(2)    Stable arc, low spatters, easy control of weld puddle, good slag removal, appropriate penetration, good mechanical properties, easy to re-start and smooth welding bead.

(3)    Applicable for welding on ship building, bridge and steel structures

Welding position

Welding Instruction

Please refer to Appendix A.

Typical Chemical Composition of Weld Metal (wt%)

C

Si

Mn

P

S

0.07

0.39

0.94

0.018

0.009

Typical Mechanical Properties of Weld Metal

Tensile Strength N/mm²

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

℃

J

530

480

30

0

74

Size and Suggested Operating Range (AC or DC±)

Diameter (mm)

3.2

4.0

5.0

6.0

Current

(A)

F/H-Fillet

90~150

130~190

180~240

230~300

V-up/OH

80~120

110~160

150~200

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