KT Group Members

Applications and Features

( 1 ) KMS-276 is 57%Ni-16%Cr-15.5%Mo-5.5%Fe-4%W alloy.

( 2 ) Excellent resistance to pitting, stress-corrosion cracking and oxidizing atmospheres.

( 3 ) Suitable for welding Hastelloy C-276, ASTM B574, B575, B19, B622, B628 Ni-Cr-Mo alloy.

( 4 ) Ideal for welding the clad side of joints on steel in the chemical, petrochemical and petroleum industries.

Welding Position

Welding Instruction

( 1 ) Clean surface of base metal before welding.

( 2 ) Heat input should be controlled as low as possible.

( 3 ) For other instructions, please refer to Appendix B.

Typical Chemical Composition of Wire (wt%)

C

Si

Mn

P

S

Cr

Mo

Fe

W

Ni

0.01

0.05

0.50

0.003

0.001

15.60

15.90

5.70

3.60

58.44

Typical Mechanical Properties of Weld Metal    

Tensile Strength

N/mm²

Yield Strength

N/mm²

Elongation

%

Charpy V-Notch

^oC

J

729

433

45

-

-

Size and Suggested Operating Range (DC+)

Diameter (mm)

0.8

0.9

1.2

1.6

Current (A)

140~180

160~200

190~230

200~250

Voltage (V)

24~27

25~28

26~30

29~33