碳鋼手焊條
KTS-309LSi

Shielding Gas: 100% Ar
KTS-309LSi is a low-carbon austenitic stainless steel containing 24% Cr and 13% Ni.

▎Classification

AWS A5.9/A5.9MER309LSi
JIS Z3321YS309LSi
EN ISO 14343-AW 23 12 L Si
YB T5092H03Cr24Ni13Si1

▎Applications and Features

  • KTS-309LSi is a low-carbon austenitic stainless steel containing 24% Cr and 13% Ni.
  • With higher silicon content, it offers improved weld pool fluidity compared to KMS-309L.
  • It provides excellent high-temperature corrosion resistance and, with balanced ferrite content, ensures strong resistance to cracking.
  • KTS-309LSi is well-suited for dissimilar welding of carbon steels and low-carbon stainless steels.

▎Welding Instruction

Please refer to the GTAW welding guidelines for proper usage.

▎Applications

KTS-309LSi is well-suited for dissimilar welding of carbon steels and low-carbon stainless steels.

▎Typical Chemical Composition of Wire (wt%)

CSi
Mn
PSCrNi
0.020.761.950.0120.01023.8813.76

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²
Yield Strength
N/mm²
Elongation
%
57041039

▎Size and Polarity (DC-)

Diameter (mm)1.01.21.62.02.43.2
Length (mm)100010001000100010001000

▎國際產品認證