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Weld Star - ER 308LSi Stainless MIG Wire

6011100121 Weld Star In Stock Fast Dispatch
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£106.67 ex VAT
£128.00 inc VAT
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  • Low-carbon austenitic stainless steel MIG wire with added silicon for smooth welds
  • Excellent corrosion resistance and mechanical strength down to -196°C
  • Available in multiple diameters on 15kg spools; requires DC+ and M12 or M13 shielding gas
  • Suitable for 304, 305, 347 and similar austenitic stainless steels in pipework, vessels, and food processing
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Low-carbon stainless MIG wire with added silicon for smooth welds, excellent corrosion resistance, and reliable strength down to -196°C.

Weld Star ER 308LSi is a stainless steel MIG wire characterised by its low carbon content, which reduces the risk of carbide precipitation and intergranular corrosion. Its increased silicon content improves weld pool fluidity, resulting in smooth bead appearance and consistent weld quality.

This wire delivers excellent resistance to atmospheric and general corrosion, along with dependable mechanical strength even at sub-zero temperatures. Precision layer wound, it ensures stable feeding and consistent performance across a wide range of stainless steel fabrication applications.

It is suitable for welding base metals such as 304, 305, 347 and other austenitic stainless steels with similar chemical composition. Common industries include vessel production, pipework, plate fabrication, food processing, and general stainless fabrication.


Wire Classification EN ISO 14343-A G 19 9 LSi | AWS A5.9 ER 308LSi
Wire Type Austenitic Stainless Steel MIG Wire
Diameters 0.8mm, 1.0mm, 1.2mm
Spool Size 15kg
Current Type DC+
Shielding Gas EN ISO 14175 – M12 (Ar + O₂/CO₂), M13 (Ar + CO₂)
Welding Positions EN ISO 6947 – PA, PB, PC, PD, PE, PF
Welding Parameters – M12 0.8mm: 40–120A, 15–20V 1.0mm: 80–160A, 16–22V 1.2mm: 100–210A, 17–23V
Welding Parameters – M13 0.8mm: 160–210A, 24–28V 1.0mm: 180–280A, 25–30V 1.2mm: 200–300A, 26–32V
Tensile Strength ≥510 MPa
Yield Strength ≥320 MPa
Elongation ≥25%
Impact Strength ≥80 J
Chemical Composition (typical) C 0.023% | Mn 1.86% | Si 0.89% | S 0.001% | P 0.025% Ni 9.30% | Cr 19.68% | Mo 0.027% | Cu 0.041%

Typical Applications

  • Pipework
  • Plate fabrication
  • Vessel production
  • Food processing
  • General stainless fabrication

Typical Base Materials

  • W.Nr: 1.4306, 1.4301, 1.4541, 1.4311, 1.4371, 1.4452
  • DIN: X2CrNi 19 11, X4CrNi 18 10, X6CrNiTi 18 10, X6CrNiNb 18 10
  • AISI: 202, 302, 304L, 304, 305, 321, 347
Brand Weld Star
shopping_price_ranges 100 - 200
Material Type Stainless Steel (ER3xx)
AWS Classification ER308LSi
Spool Size Standard (12.5-25kg)
Diameter 0.8mm ·
Weight 15kg
SKU Diameter Weight Stock Status  
6011100121 0 8mm 15kg In Stock £106.67 ex VAT £128.00 inc VAT
6011100122 1 0mm 15kg In Stock £106.67 ex VAT £128.00 inc VAT

Technical Data Sheet

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A carriage charge is applied to orders, for standard 1-2 day shipments to mainland destinations within the United Kingdom. Other destinations and premium services are available but subject to additional freight charges.

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