Weld Mold 215-T CM description: A versatile, high strength chrome/moly alloy used to join and repair alloys of approximately the same analysis, 1.25 chrome/.50 molybdenum. Typically used for welding 1 ¼ chrome ½ moly steels for pressure piping. Other uses include fabrications of race and stock car components, pressure vessels, cast and wrought sections of chrome/moly steel. Can also be used on P-20 on non-working areas of the mold. Pre-heat according to base metal chemistry and thickness of metal to be welded.