12.5kg 1.2mm 309 Gasless Nippon Steel Welding Wire SF-N309L

$569.00

Product Introduction

Self-shielded flux-cored welding wire for dissimilar metals like stainless steel and mild steel. Features ultra-low spatter, self-releasing slag, smooth bead, and reduces post-weld cleanup. Ideal for 304L to carbon steel welding and cladding.

Specifications

Grade E309LT0-3
Diameter 1.2mm
Weight 12.5kg spool
Type Gasless (Self-Shielded)
Origin Made in Japan
SKU: 70e6f45e63ff Categories: , ,
Description

12.5kg – 1.2mm 309 Gasless Nippon Steel Welding Wire Weldream SF-N309L

Upgrade your welding projects with the premium Weldream SF-N309L gasless flux-cored wire¡ªengineered for seamless dissimilar metal welding. Eliminate shielding gas costs while achieving professional-grade results with this Japanese-manufactured solution.

Core Specifications

Grade E309LT0-3
Shielding Type Self-Shielded (Gasless)
Diameter 1.2mm
Spool Weight 12.5kg
Bore Size 52mm Standard
Material 309L Stainless Steel
Country of Origin Japan
Slag Type Self-Releasing
Spatter Level Ultra-Low
Application Dissimilar Metal Welding

Key Benefits

Cost-Efficient: Eliminates shielding gas expenses while maintaining high-quality welds.
Time-Saving: Self-releasing slag and minimal spatter reduce post-weld cleanup time by up to 40%.
Versatile Performance: Ideal for joining 304L stainless steel to carbon steel and cladding applications.
Premium Quality: Japanese steel construction ensures consistent feed and arc stability.

Applications

  • Welding 304L stainless steel to carbon steel
  • Cladding stainless steel onto carbon steel surfaces
  • Repair work on dissimilar metal joints
  • Industrial fabrication requiring corrosion resistance

Why Choose SF-N309L?

Unlike conventional flux-cored wires, our SF-N309L offers:
? Ultra-smooth bead appearance for professional finishes
? Seamless construction preventing wire breakage
? Stable arc performance across varying currents
? Extended shelf life with moisture-resistant packaging

FAQ

Q: Can this wire be used with DC or AC machines?
A: Optimized for DC reverse polarity (DCEP) welding machines.

Q: What thickness materials is this suitable for?
A: Ideal for 3-12mm material thickness with appropriate amperage settings.

Q: Does it require special storage conditions?
A: Store in dry environments below 60% humidity; keep unopened packages sealed.

Quality Assurance

Every spool meets JIS and AWS standards, undergoes rigorous tensile strength and chemical composition testing. Backed by Nippon Steel’s 100+ years of metallurgical expertise.

Ready to enhance your welding productivity? Contact our technical team for personalized application guidance and bulk pricing options.

Shipping and Delivery

Packaging & Transportation

Weldsuper Nozzles

Weldsuper nozzles are precision parts that require professional protection.
 
Each nozzle is individually vacuum-sealed and fixed with shock-absorbing foam to avoid collision, dust and moisture.
 
Sturdy outer packaging with clear fragile marks is used for safe transportation.
 
We select reliable logistics with full tracking, ensuring products arrive intact and in perfect condition.