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ESAB® SHIELD-BRIGHT® 312 was developed for welding of high carbon steels and for the first layer cladding of carbon and low alloy steels. The best results are obtainable when the buttering technique is used. SHIELD-BRIGHT® 312 can be used as a clad layer with superior corrosion resistance or as a buffer layer. It was also designed for welding out-of-position and performs well with minimal slag and easy clean-up. SHIELD-BRIGHT® 312 has limited success on lead-free, free-machining steels (example: AISI 11XX, 12XX),303,416, and 430F stainless steels. Preheating is only necessary at carbon levels over 0.2% for carbon steels.