碳鋼手焊條
KTS-502

Shielding Gas 100% Ar (Argon)
Used for welding 5%Cr-0.5%Mo steel
Provides high tensile strength, good toughness, and excellent heat resistance.

▎Classification

AWS A 5.28/A5.28MER80S-B6/ER55S-B6
JIS Z3317
W55A-5CM
EN 21952-AWCrMo5Si
GB T8110
ER55-B6

▎Applications and Features

  • TIG welding material for 5%Cr–0.5%Mo steel, offering high tensile strength, good toughness, and excellent heat resistance.
  • Suitable for welding petrochemical and chemical plant equipment, such as ASTM A387 Gr.5 and JIS SCMV6.

▎Welding Instruction

Please refer to Appendix C

▎Application

Suitable for welding petrochemical and chemical plant equipment, such as ASTM A387 Gr.5 and JIS SCMV6.

▎Typical Chemical Composition of Weld Metal (wt%)

CSi
Mn
PSCrMo
0.080.280.490.0140.0145.130.60

▎Typical Mechanical Properties of Weld Metal

HTTensile Strength N/mm2
Yield Strength N/mm2
Elongation %
Charpy V-Notch°C
Charpy V-Notch J
750℃
2小時
600480260280

▎Size and Recommended Polarity (DC−)

Diameter (mm)1.21.41.62.02.42.63.24.04.85.0
Length / Rod Length (mm)
1000100010001000100010001000100010001000

▎Certification