welding Consumables > MIG Stainless Steel ER309LSi
stainless steel MIG welding wire ER309lSi

ER309LSi is a low-carbon, silicon-enhanced stainless steel welding wire designed for welding 309, 309L, as well as stainless steel to mild steel. The silicon content enhances the welding process by improving arc stability, reducing spatter, and ensuring a smoother, higher-quality weld. This wire is especially suitable for high-speed welding and is widely used in industries where high strength and corrosion resistance are crucial.

Standards: AWS A5.9 ER309LSi

  • Manufactured in modern Chinese facilities with consistent quality
  • Mass production capacity for bulk orders
  • Flexible FCL/LCL ocean shipping options
  • Samples available upon request
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  • Low Carbon Content

Contains less than 0.03% carbon, which minimizes the risk of carbide precipitation and ensures better weld integrity, especially for applications exposed to high temperatures.

  • Excellent Corrosion Resistance

Provides outstanding resistance to corrosion and oxidation, especially in environments where high temperatures and aggressive chemicals are present.

  • High Strength and Durability

Offers good tensile strength and high-temperature strength, ensuring durability in demanding applications.

  • Perfect for High-Speed Automated Production

The added silicon improves arc stability, reduces spatter, and enhances weld appearance, making it easier to achieve smooth, consistent welds, especially in automated welding processes.

  • Welding Parameters

All-position welding

Shielding Gas: 98% Argon +2%O2

  • Recommended Applications

Power Generation
Chemical and Petrochemical industry
Automotive

Chemical Composition
%C%Mn%Si%S%P%Ni%Cr%Mo%Cu
0.0231.880.84<0.03<0.0313.2123.19<0.75<0.75

Diameter
mminch
0.60.023
0.80.030
0.90.035
1.00.040
1.20.045