SAF Steelcored M 10 S description: STEELCOREDM10S is a seamless copper coated metal cored wire producing no slag, for welding with both the single and multi-run techniques. Excellent weldability, high deposition rate, very good impact toughness at low temperatures, down to -60C, both as welded and following post-weld heat treatment. Suitable for applications where very high toughness properties are required.