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

Engineered for demanding industrial welding applications, this high-performance flux cored wire delivers exceptional corrosion resistance and mechanical strength. Ideal for critical 22Cr duplex stainless steel welding, it ensures reliable results in severe service environments.

Core Specifications

Key Advantages

? Superior pitting and chloride stress corrosion resistance
? Optimized 50/50 austenite-ferrite microstructure
? Compatible with heterogeneous welding applications
? Strict compliance with international standards (AWS, GB/T, ASME)
? Dual shield design for enhanced arc stability

Applications

Perfect for welding wrought, forged, or cast 22Cr duplex stainless steels in chemical processing, oil & gas, marine, and offshore industries. Suitable for joining 2205 base materials and dissimilar welding between duplex stainless steels and low alloy steels.

Performance Features

Maintains critical ferrite levels (>30-50FN) for maximum corrosion resistance. Requires controlled heat input and interpass temperature to achieve optimal mechanical properties. Produces clean, porosity-free welds with excellent bead appearance.

Quality Assurance

Manufactured under strict quality control protocols. Complies with NB/T 47018.3-2017 S2209, GB/T29713-2013 S2209, YB/T 5092-2016 H022Cr22Ni9Mo3N, and ASME SFA-5.9-2019 ER2209 standards.

Differentiation

Unlike conventional wires, our ER2209T1 formulation guarantees PREN >35 and precise ferrite control, ensuring superior performance in aggressive environments. Cobra brand quality ensures consistent feedability and arc stability.

FAQ

Q: What shielding gas is recommended?
A: Use 100% CO? or argon with minimum 20% CO? content.

Q: Can this wire weld dissimilar materials?
A: Yes, suitable for heterogeneous welding between 22Cr duplex steels and other stainless/low alloy steels.

Q: What is the optimal interpass temperature?
A: Maintain controlled interpass temperature to ensure proper 50/50 austenite-ferrite matrix.

Ready to optimize your welding process? Contact our technical team for personalized recommendations and bulk pricing.