Copper-nickel weld neck flanges offer excellent resistance to seawater corrosion and biofouling, and are widely used in shipbuilding, offshore engineering, and related applications. The products comply with international standards such as ASME and DIN.

Aluminum weld neck flanges are manufactured from aluminum alloys such as 5083, 6061, and 5086, offering lightweight characteristics, high strength, and excellent resistance to marine corrosion.

6061 T6 aluminum alloy butt weld neck flange is ideal for marine and ship piping systems. Featuring high strength, excellent corrosion resistance, and full weld compatibility,