Over the past 35 years, Aviva Metals has experienced tremendous growth and earned a worldwide reputation as an industry leade ... r. We maintain huge inventories of brass, bronze, and specialty copper alloys. Our production and inventories consist of tubes, rounds, hollows, rectangles, squares, hexagons, wires, and made-to-order shapes for customer-specific applications. We are the leading USA alloy manufacturer and distributor of over one hundred different grades of copper alloys in excess of 5000 metric tons. read more