KT Group Members

Applications and Features

(1)    Suitable for welding 550N/mm² grade steel.

(2)    Good mechanical prosperities, crack resistance and good weldability.

(3)    Applicable for medium/high carbon steel, low manganese alloy steel and high tensile strength steel such as ASTM A516.

Welding position

Welding Instruction

Please refer to Appendix A.

Typical Chemical Composition of Weld Metal (wt%)

C

Si

Mn

P

S

0.08

0.53

1.15

0.012

0.007

Typical Mechanical Properties of Weld Metal

Tensile Strength N/mm²

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

℃

J

600

510

32

0

167

-18

102

Size and Suggested Operating Range (AC or DC+)

Diameter (mm)

3.2

4.0

5.0

6.0

Current

(A)

F/H-Fillet

90~130

130~180

180~240

230~300

V-up/OH

80~120

110~160

150~200

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