KT Group Members

Applications and Features

(1)     Suitable for welding 690N/mm² grade steel.

(2)     Ni-Cr-Mo alloy provides high tensile strength and good impact toughness.

(3)     Ideal for welding cranes, construction machine and automobiles.

Welding position

Welding Instruction

Please refer to Appendix B.

Typical Chemical Composition of Wire (wt%)

C

Si

Mn

P

S

Ni

Mo

0.07

0.62

1.61

0.012

0.008

0.61

0.30

Typical Mechanical Properties of Weld Metal

Tensile Strength N/mm²

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

℃

J

699

504

23

-50

150

Size and Suggested Operating Range (DC+)

Diameter (mm)

1.2

1.4

1.6

Current (A)

F/HF

100~350

150~450

200~550

H

100~300

150~350

200~400