Lincoln Electric Metalshield® MC-70 XLS™ is an SM-alloy metal-cored wire for MCAW, supplied on a 50 lb spool with RDM winding. The 0.052 in (1.3 mm) wire is classified as E70T15-M21A4-CS1-H4 and E70C-6M-H4, and is identified as a metal-cored gas-shielded consumable.