15kg 1.2mm ER2209 Duplex Stainless Steel MIG Wire
$499.00
Product Description
ER2209 Duplex Stainless Steel MIG Wire, 15kg spool with 1.2mm diameter, ideal for welding 22Cr duplex stainless steels (EN 1.4462, S32205, SAF 2205) in severe service. Maintains pitting and chloride stress corrosion resistance (PREN >35) with 30-50FN ferrite. Requires controlled heat input/interpass temp for 50/50 austenite-ferrite microstructure.
Specifications
| Weight | 15kg |
| Diameter | 1.2mm |
| Classification | AWS A5.9 – ER2209 |
| Material | Duplex Stainless Steel |
| Recommended Gas | Ar+2%CO? / Ar+5%CO? / Argon/helium |
15kg – 1.2mm ER2209 Duplex Stainless Steel MIG Wire for 2205
Core Specifications
| Weight | 15kg |
| Diameter | 1.2mm |
| Classification | AWS A5.9 – ER2209 |
| Alloy Type | Duplex Stainless Steel |
| Ferrite Content | 30-50FN |
| PREN Value | >35 |
| Microstructure | Austenite-Ferrite (50/50 matrix) |
| Recommended Gas | Ar+2%CO? / Ar+5%CO? / Argon-Helium |
| Target Materials | EN 1.4462, S32205, SAF 2205 |
| Weld Condition | As-welded (no post-treatment required) |
Why Choose Our ER2209 MIG Wire?
Engineered for extreme durability, our ER2209 duplex wire delivers unmatched corrosion resistance in harsh environments. With ferrite levels precisely controlled between 30-50FN and PREN >35, it outperforms standard stainless steels in chloride-rich applications like marine engineering and chemical processing.
Key Performance Advantages
- Exceptional pitting and stress corrosion cracking resistance
- Balanced 50/50 austenite-ferrite microstructure for optimal strength
- Versatile for heterogeneous welding between duplex and low-alloy steels
- Minimal post-weld processing with stable as-welded properties
Industrial Applications
Ideal for welding wrought, forged, or cast 22Cr duplex stainless steels in critical sectors:
– Offshore oil & gas pipelines
– Chemical processing equipment
– Desalination plants
– Marine construction
– Pressure vessels for severe service
Quality Assurance
Manufactured under ISO 9001 standards with strict heat input control. Each spool undergoes metallurgical testing to ensure ferrite content and corrosion resistance meet AWS A5.9 specifications.
Technical FAQ
- What base materials is this wire compatible with?
- Designed for EN 1.4462, S32205, SAF 2205, and equivalent cast duplex grades.
- What gas mixture is recommended?
- Ar+2%CO? or Ar+5%CO?; argon-helium blends for high-heat applications.
- Is preheating required?
- Maintain interpass temperature below 150¡ãC to preserve microstructure balance.
Ready to Elevate Your Welding Performance?
Contact our technical team for personalized welding parameter recommendations or bulk order inquiries. Experience the difference of precision-engineered duplex stainless steel wire.
