We are the leading stockiest and suppliers of cupro nickel Sheets & Plates. Our cupro nickel sheet products are widely recognized in the market for their efficiency and purity. Maintains a broad inventory of Copper Nickel Products C70600 and C71500. Copper nickel is known for its great resistance to seawater, as well as many other hazardous elements presented to metals. C706 and C715 are commonly used in seawater environments because of total resistance to barnacle growth, which is created by a thin tenacious protective film formation.