Nascent Pipe & Tubes is a major selling company and supplier of Copper Nickel 70/30 tubes that are meant to pass some of the strict and excellent industry industrial standards. The tubes containing 70 percent copper and 30 percent nickels and small amounts of iron and manganese are made with improved overall strength and resistance to corrosion, especially in the coastal and salt wate... https://www.nehametalalloys.com/copper-nickel-alloy-70-30-tubes-manufacturer-exporter.html