BLUME® ER309LSi
BLUME® ER309LSi
Specification:
The Strongest Bond for Dissimilar Metal Welding
When welding dissimilar metals, high-temperature alloys, or cladding applications, trust BLUME® ER309LSi MIG Wire for exceptional strength, superior corrosion resistance, and smooth, clean welds. With higher silicon content, this wire provides improved weld fluidity, better wetting action, and minimal spatter, ensuring flawless results with reduced cleanup.
Designed for joining stainless steel to carbon steel and overlay welding, BLUME® ER309LSi is the go-to solution for industries that demand high-strength, corrosion-resistant welds, such as petrochemical, power generation, and marine fabrication. Whether you're working with manual, automated, or robotic welding, this wire delivers unmatched performance every time.
Why Choose BLUME® ER309LSi?
| Feature | BLUME® ER309LSi | Standard ER309L |
|---|---|---|
| Silicon Content | Higher (Better Wetting & Fluidity) | Lower |
| Weld Bead Quality | Smoother & More Aesthetic | Standard |
| Strength & Crack Resistance | Superior for Dissimilar Metals | Standard |
| Corrosion & Heat Resistance | Excellent | Excellent |
| Cleanup Requirement | Minimal (Less Spatter & Slag) | More Cleanup Required |
Key Features
Key Features
✔ High silicon content – Improves fluidity and weld bead appearance
✔ Excellent corrosion & oxidation resistance – Ideal for high-temperature environments
✔ Low spatter & easy slag removal – Reduces post-weld cleanup
✔ Superior strength for dissimilar metals – Perfect for joining stainless steel to carbon steel
✔ Consistent feedability – Works flawlessly in manual, automated, and robotic welding
Recommended Application
Recommended Application
✔ Welding stainless steel to carbon steel – Strong, crack-resistant welds
✔ Cladding & overlay welding – Protective layers against corrosion & wear
✔ Petrochemical & power plants – High-heat and corrosive environments
✔ Marine & offshore fabrication – Resistant to saltwater and extreme conditions
✔ Heat exchangers & boilers – High-strength welds for pressure resistance
Product Data Sheet
Product Data Sheet
FAQ
FAQ
Q: What shielding gas should I use with BLUME® ER309LSi?
A: A 98% Argon / 2% CO₂ mix provides the best arc stability and weld quality. 100% CO₂ can be used but may produce more spatter.
Q: Can this wire be used for welding stainless to mild steel?
A: Yes! BLUME® ER309LSi is specifically designed for joining stainless steel to carbon or mild steel with strong, crack-resistant welds.
Q: Why is the higher silicon content important?
A: Increased silicon improves weld fluidity, resulting in smoother, cleaner welds with better wetting action and less spatter.
Q: Is BLUME® ER309LSi suitable for robotic welding?
A: Absolutely! Its consistent feedability and smooth arc characteristics make it ideal for automated and robotic welding applications.