碳鋼手焊條
KTS-1CM

Shielding Gas:100% Ar (Argon)
TIG welding rod designed for 550N/mm² class low alloy heat-resistant steel.。
Suitable for welding boiler tubes exposed to temperatures below 550°C, as well as water-cooled walls, steam piping, and high-pressure vessels operating below 520°C in power plants.

▎Classification

AWS A5.28/A5.28MER80S-G/ER55S-G
JIS Z3317
W55A-1CM3
EN ISO 21952-AWCrMo1Si
GB T8110
ER55-B2

▎Applications and Features

  • TIG welding rod designed for 550N/mm² class low alloy heat-resistant steel.

  • Suitable for 1~1.25% Cr – 0.5% Mo steels such as A335-P12 and A335-P11.

  • Recommended for welding boiler tubes exposed to temperatures below 550°C, and for power plant water-cooled walls, steam pipelines, and high-pressure vessels operating below 520°C.

▎Welding Instruction

Please refer to Appendix C

▎Application

Recommended for welding boiler tubes exposed to temperatures below 550°C, and for power plant water-cooled walls, steam pipelines, and high-pressure vessels operating below 520°C.

▎Typical Chemical Composition of Weld Metal (wt%)

CMn
Si
CrNiMo
0.060 0.990.501.220.54

▎Typical Mechanical Properties of Weld Metal

HTTensile
Strength
N/mm²
Yield
Strength
N/mm²
Elongation
%
Charpy
V-Notch
J
Charpy
V-Notch
°C
690℃
1hr
630540282700℃

▎Size and Recommended Polarity (DC−)

Diameter(mm)
1.21.62.02.42.63.24.0
Length(mm)1000100010001000100010001000

▎Certification