"Alloys in Any Amount" Metals, Alloys and Fluxes for the Foundry and Steel Industry ... from ASI International, Ltd.Foundries around the world use ASI-developed materials to improve furnace efficiency and metal properties. Our assortment of proprietary materials include refractory-friendly Redux EF40L electric furnace fluxes, which eliminate buildup in coreless, channel and pressure pour furnaces, and EF40LP, which keeps pouring ladles clean and improves metal cleanliness.ASI offers a complete line of pure metals, ferroalloys, non-ferrous alloys, electric furnace cleansing fluxes, hot toppings and exothermics, aluminum, copper and magnesium fluxes, and other melting consumables. Our longstanding relationships with domestic as well as other world-renowned producers of alloys ensures stable and consistent supplies of quality melting consumables, making ASI your one-stop shopping source.