Global Steel is one of the prominent names in the industry that manufactures Copper Nickel 90/10 Flanges. Copper Nickel 90/10 Flanges (C70600) contain 70% copper, 30% nickel, and an enhancement of iron and manganese that make this alloy highly resistant to erosion and corrosion. Such alloys are incredibly durable against hostile environmental changes and present in seawater or marine ... https://www.globalsteelindustries.com/copper-nickel-90-10-flanges-manufacturers-suppliers-stockists-exporters.html