FCAW
KFW-309LF

Shielding Gas: 100%CO₂/Ar+20%CO₂
Weld metal is 23.5%Cr-13%Ni. It is suitable for joining stainless steel to carbon steel or low alloy steel.

Catalog Packaging

▎Classification

AWS A5.22E309LT0-1/4
Z3321TS309L-FB0
EN ISO 17633-AT 23 12 L R C1/M3
GB T17853E309LT0-1/4

▎Applications and Features

  • Weld metal is 23.5%Cr-13%Ni.
  • It is suitable for joining stainless steel to carbon steel or low alloy steel.
  • It provides excellent weldability, corrosion resistant and crack resistance due to proper ferrite contents in the weld metal.
  • It provides stable arc, good slag removal, and easy control of weld puddle, low spatters and good penetration.
  • It has bright silvery bead appearance and good wettability.

▎Welding Position

焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢

▎Welding Instruction

  • For welding dissimilar metals, please refer to Appendix I.
  • For other instructions, please refer to Appendix D.
  • For extra information, please refer to Appendix F

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

CSi
Mn
PSCrNi
0.02.811.220.0210.00322.2412.61

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

Tensile Strength
N/mm²(kgf/mm²)		Elongation
%
515(52.55)38

▎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

JISZ3323_TCTW08007

KUANG TAI METAL INDUSTRIAL CO., LTD.

廣泰金屬工業股份有限公司

No.20, Gongye Rd., Erzhen, Guantian Dist.
Tainan City 72042, Taiwan
TEL：886-6-6987615  FAX：886-6-6987315

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