Brass Late Roman. Latten is a term for decorative borders and similar objects cut from sheet metal, whether of brass or bronze. Aquamaniles were typically made in brass in both the European and Islamic worlds. The cementation process continued to be used but literary sources from both Europe and the Islamic world seem to describe variants of a higher temperature liquid process which took place in open-topped crucibles. Islamic cementation seems to have used zinc oxide known as "tutiya" or tutty rather than zinc ores for brass-making, resulting in a metal with lower iron impurities. A number of Islamic writers and
Rolled Alloys Rolled Alloys Rolled Alloys is a private company headquartered in Temperance, Michigan, in the United States. Rolled Alloys is a supplier in the metal industry for both heat resistant and corrosion resistant alloys. The company has between 201-500 employees throughout the world. Rolled Alloys' key markets are Aerospace, Chemical Processing, Medical, Oil and Gas, Power Generation, and Thermal Processing. Rolled Alloys Canada also deals in the Pulp / Paper and Mining markets. Rolled Alloys has expanded through acquisitions of other companies: Harvey Titanium, Weaver Steel, Super Alloys, SMS London, Clasma Trade, and RA® Materials (formerly Weir Materials and Foundry). Rolled