ISO 9001 & SGS Certified | Vacuum Melted Master Alloy | 12,000 m² Plant K418 (713C) master alloy bar is cast in diameters from 8.0 mm to 200 mm for foundries that introduce alloying elements at the melt. Vacuum melting and bar casting run on one site, the composition of each lot is verified against the grade agreed on the order, and trial quantities can be supplied ahead of a production lot. Master Alloy Bar: What It Is and Where It Stops A master alloy is an intermediate