15kg – 1.2mm ER2209T1 Flux Cored Duplex Stainless Steel MIG Wire Dual Shield

Designed for severe service welding, this premium Cobra Brand dual shield flux cored wire delivers exceptional performance in critical applications. Engineered to maintain optimal ferrite levels (>30-50FN) and PREN >35, it ensures superior pitting and chloride stress corrosion resistance. The 50/50 austenite-ferrite microstructure guarantees excellent mechanical properties and corrosion resistance when welded with proper heat input control.

Core Specifications

Key Performance Advantages

? Superior corrosion resistance for harsh environments
? Optimized ferrite content ensures structural integrity
? Dual shield design for stable arc and minimal spatter
? Versatile for heterogeneous welding applications
? Complies with multiple international standards

Applications

Ideal for welding wrought, forged or cast 22Cr duplex stainless steels in severe service conditions. Perfect for heterogeneous welding between 22Cr duplex stainless steels and other stainless/low alloy steels. Suitable for pressure vessels, chemical processing equipment, and marine applications.

Quality Assurance

Manufactured under strict quality control processes, our ER2209T1 wire meets ASME SFA-5.9-2019 and NB/T 47018.3-2017 standards. Each batch undergoes rigorous testing to ensure consistent performance and reliability.

FAQ

Q: What base materials is this wire suitable for?
A: Designed for EN 1.4462, S32205, SAF 2205 and equivalent casting grades.

Q: What shielding gas should I use?
A: 100% CO? or Argon with minimum 20% CO? mix.

Q: How important is heat input control?
A: Critical for achieving proper 50/50 austenite-ferrite microstructure and corrosion resistance.

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