Different grades of steel

ER316LSi Stainless Steel MIG Welding Wire

ER316LSi MIG wire delivers exceptional corrosion resistance for demanding environments, ideal for critical welds in chemical processing and marine applications where failure isn’t an option.

Description

When Corrosion Resistance Can’t Be Compromised

We’ve seen too many projects fail because teams underestimated the demands of harsh environments. That’s why we developed our ER316LSi MIG wire – not just as another stainless steel filler, but as a solution for critical applications where weld integrity is non-negotiable. This wire has been our go-to recommendation for offshore platforms, chemical reactors, and even pharmaceutical cleanrooms where even microscopic corrosion could be catastrophic.

What makes it different? The low carbon content (<0.03%) is just the start. We’ve fine-tuned the molybdenum (2.0-3.0%) and silicon (0.65-1.00%) levels to deliver three key benefits: exceptional pitting resistance, superior arc stability with minimal spatter, and excellent wetting characteristics that reduce operator fatigue during long welds. In our field tests with shipyard fabricators, we’ve documented 23% fewer rework hours compared to standard 316L wire.

The Details That Make a Difference

We hear common concerns from welders about stainless wire – inconsistent feeding, excessive cleanup, unpredictable arc starts. Here’s how we addressed them:

  • Precision diameter tolerance (±0.02mm) ensures smooth feeding through standard 1.2mm liners without the “bird-nesting” we’ve all struggled with
  • Optimized Si content gives that sweet spot between fluidity and control – enough to bridge gaps but not so much it becomes sloppy
  • Clean, consistent welds with 98% Ar/2% CO₂ or 100% CO₂ – we’ve seen firsthand how this reduces post-weld cleanup by 30-40% in food equipment shops

Our quality control includes spectral analysis of every heat lot, and we maintain full traceability from raw material to spooled product. Typical mechanicals exceed AWS A5.9 requirements: 550+ MPa tensile, 450+ MPa yield, with 40%+ elongation in the as-welded condition.

Why We’re Different

Being a Chinese manufacturer doesn’t mean cutting corners. Our facility is ISO 9001:2015 certified, and we’ve invested in proprietary drawing and cleaning processes that give our wire a noticeably smoother surface finish – something welders always comment on.

We stock common sizes (0.035″, 0.045″, 1.0/1.2/1.6mm) in 5kg, 15kg, and 20kg spools, but we’ve also custom-produced special diameters (like 0.9mm for precision tube welding) for clients with unique needs.

Whether you’re welding thick chemical vessel seams or fine pharmaceutical tubing, we’ll help you select the right parameters and packaging. Our team has solved enough welding challenges to know there’s no one-size-fits-all solution. Let’s discuss your specific application – we’re here to help you get it right the first time.

Frequently Asked Questions

What products does Baoli Steel mainly produce?
Baoli Steel specializes in the R&D and manufacturing of high-quality steel products, including:
Plate Series: Hot-rolled steel plates, cold-rolled steel plates, galvanized plates (GI/GL), stainless steel plates, checkered plates, medium and heavy plates, etc.
Pipe Series: Seamless steel pipes, welded steel pipes, galvanized pipes, spiral pipes, square/rectangular pipes, etc.
Profile Series: I-beams, channel steel, angle steel, H-beams, round bars, flat bars, etc.
Custom Processing: Supports steel cutting, bending, punching, and surface treatment (spraying, galvanizing) services.
Can you provide customized specifications or OEM services?
Yes! We offer:
Specification Customization: Special sizes, thicknesses, and materials based on customer needs (minimum order quantity depends on product type).
Processing Customization: Processing based on drawings or samples, supporting laser cutting, beveling, heat treatment, etc.
Packaging Customization: Customized packaging methods (e.g., wooden crates, pallets, rust-proof films) and labeling as per customer requirements.
What is the production cycle and delivery method for orders?
Standard Orders: 7-15 working days (depending on product type and quantity).
Customized Orders: 15-30 working days (sample confirmation time required).
Transportation Methods: Supports sea, land, and air transport; we can assist with customer-specified logistics or provide optimal shipping solutions.
What are your main markets and customer cases?
Baoli Steel’s products are exported to over 60 countries and regions, mainly covering:
Southeast Asia: Vietnam, Thailand, Malaysia
Middle East: UAE, Saudi Arabia, Iran
Africa: Nigeria, South Africa, Egypt
South America: Brazil, Mexico
Our customers include construction engineering companies, manufacturing plants, trading companies, and energy enterprises.

Different grades of steel