• +86 15102218145
  • erin@detect-metals.com
ER309Si Stainless Steel Welding Wire

ER309Si Stainless Steel Welding Wire

Grade: ER309Si

Size:

0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm, 2.4mm, 3.2mm

Standard:

AWS A5.9, EN 14343, JIS Z3321

🔘 Request a Quote
📦 Get Free Sample
  • Fast Shipping / Ready Stock
  • ISO 9001 Factory
  • Custom Cutting
  • 100% MTC & SGS Inspection

Silicon enhanced 309 filler wire offering better wetting and weld bead appearance, commonly used for stainless steel and carbon steel joining.

Common Diameter Process Standards
0.8/1.0/1.2/1.6 mm GMAW AWS A5.9, EN ISO 14343
1.0/1.6/2.0/2.4/3.2 mm GTAW AWS A5.9, JIS Z3321
0.1-1.0 mm Laser/TIG Customer specification
Type
MIG solid wire
TIG filler rod
Precision welding wire
  • Food and beverage equipment
  • Chemical and petrochemical equipment
  • Pressure vessels and pipelines
  • Automotive and general fabrication
  • Marine and corrosion resistant structures

Silicon enhanced 309 filler wire offering better wetting and weld bead appearance, commonly used for stainless steel and carbon steel joining.

Common Diameter Process Standards
0.8/1.0/1.2/1.6 mm GMAW AWS A5.9, EN ISO 14343
1.0/1.6/2.0/2.4/3.2 mm GTAW AWS A5.9, JIS Z3321
0.1-1.0 mm Laser/TIG Customer specification
Type
MIG solid wire
TIG filler rod
Precision welding wire
  • Food and beverage equipment
  • Chemical and petrochemical equipment
  • Pressure vessels and pipelines
  • Automotive and general fabrication
  • Marine and corrosion resistant structures

Related products

Leading production‑and‑delivery capabilities in the industry. Our annual output of metal sheets, plates, tubes, and bars reaches hundreds of thousands of tons.

Products

Support

Contact Us

Room 916‑917, Building 1, Hongjun Mansion, Guoyuan South Road, Beichen District, Tianjin, China

+86-15102218145

erin@detect-metals.com

Copyright 2026, Detect Metals Co.,Ltd. All Rights Reserved.

Scroll to Top

Request a Quote

Name
Interested Products

Get Free Sample

Name
Interested Products