FCAW
KFW-2209

Shielding Gas: 100%CO₂/Ar+20%CO₂
Weld metal is 22.5% Cr-9.5% Ni-3% Mo-0.15%N.

▎Classification

AWS A5.22E2209LT1-1/4
JIS Z3321TS2209-FB1
EN ISO 17633-AT 22 9 3 N L P C1/M21 2
GB T17853E2209T1-1/4

▎Applications and Features

  • Weld metal is 22.5% Cr-9.5% Ni-3% Mo-0.15%N.
  • It is ideal for welding 22% Cr duplex stainless steel, such as UNS S31803 (Alloy 2205).
  • It provides high resistance to general corrosion, pitting, and stress corrosion.
  • It has a bright golden bead appearance and good wettability.

▎Welding Instruction

  • For other instructions, please refer to Appendix D.
  • For extra information, please refer to Appendix F.

▎Applications

It is ideal for welding 22% Cr duplex stainless steel, such as UNS S31803 (Alloy 2205).

▎Typical Chemical Composition of Weld Metal (wt %) (Shielding Gas : CO2)

CSi
Mn
PSCrNi
0.0380.411.310.0270.00523.469.44

▎Typical Mechanical Properties of Weld Metal (Shielding Gas : CO2)

Tensile Strength
N/mm²
Elongation
%
71024

▎Size and Suggested Operating Range (DC+)

Diameter (mm)1.21.6
F/H-fillet100-300A
20-36V
200-360A
26-40V
V/OH100-200A
24-30V

▎Certification