TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
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JQ•S2209-15
天津市金桥焊材集团股份有限公司
AWS A5.4 E2209-15
ISO 3581-A-E (22 9 3 N L) B 4 2
JQ·S2209-15 is an ultra-low carbon duplex stainless steel welding electrode with basic coating which adopts DCEP connection method. It is permitted for all positions welding. The deposited metal contains 30%-50% ferrite, which has excellent mechanical properties and corrosion resistance, especially reliable chloride corrosion resistance and excellent pitting corrosion resistance.
The product is applicable for welding ultra-low carbon duplex stainless steels such as 022Cr22Ni5Mo3N and SAF2205.
1. Before welding, the welding electrode must be baked at about 250℃ for 1h.
2. The operating current should not be too large.
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