
Weld Star ER 309LSi Stainless TIG Wire 15kg Multiple Diameters Available
- ER 309LSi low-carbon stainless TIG wire with added silicon
- Improved wetting, arc stability, and bead profile
- Resists intergranular corrosion without stabilisers
- Available in multiple diameters and weights
- Suitable for high-quality stainless fabrication

Weld Star ER 309LSi is a low-carbon austenitic stainless steel TIG wire with added silicon for enhanced wetting and flow characteristics. It combines superior corrosion resistance with improved arc performance and bead appearance.
Features
- Low carbon content prevents intergranular carbide precipitation
- Enhanced silicon content improves wetting and arc stability
- Excellent intergranular corrosion resistance
- No stabilisers required
- Better bead profile and appearance
- Available in multiple diameters and weights
| Specification | Details |
|---|---|
| Brand | Weld Star Wires & Electrodes |
| Diameter | 0.8 mm, 1.0 mm, 1.2 mm |
| Brand | Weld Star |
| SKU | Diameter | Stock Status | |
|---|---|---|---|
| 6011100239 | 1 2 mm | In Stock | £126.67 ex VAT £152.00 inc VAT |
| 6011100238 | 1 0 mm | In Stock | £126.67 ex VAT £152.00 inc VAT |
| 6011100237 | 0 8 mm | In Stock | £126.67 ex VAT £152.00 inc VAT |
Technical Data Sheet
Download PDFA 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.
Weld Star ER 309LSi Stainless TIG Wire 15kg Multiple Diameters Available Get in touch
Have a question about this product? Our team of welding experts are here to help.
Visit Us
12 Mary Seacole Road
The Millfields
Plymouth, Devon
PL1 3JY














Reviews
There are no reviews yet