4"/5" Large Size CuNi Pipe
- GradeCuNi 90/10, C70600, CuNi10Fe1Mn
- Nominal Size4" / 5", DN100 / DN125 or project size
- Outside DiameterAccording to DIN, ASTM, JIS or project drawing
- Wall ThicknessCommonly 2.0 mm - 6.0 mm, customized available
4"/5" Large Size CuNi Pipe is used for main seawater piping systems where higher flow capacity is required. Manufactured from C70600 CuNi 90/10 alloy, the pipe provides dependable corrosion resistance in seawater and is suitable for both marine and offshore applications.
Large size CuNi pipes are commonly installed in seawater cooling mains, fire water mains, ballast systems, pump room piping and offshore seawater utility systems.
| Attribute | Technical Specification |
|---|---|
| Material Grade | CuNi 90/10, C70600, CuNi10Fe1Mn |
| Nominal Size | 4" / 5", DN100 / DN125 or project size |
| Outside Diameter | According to DIN, ASTM, JIS or project drawing |
| Wall Thickness | Commonly 2.0 mm - 6.0 mm, customized available |
| Standards | DIN 86019, DIN EN 12450, ASTM B466 / ASME SB466 |
| Manufacturing Process | Seamless, welded or fabricated with required inspection |
| Surface Treatment | Pickled, passivated and protected with anti-tarnish oil |
| Testing | PMI, hydrostatic test, dimensional inspection, NDT optional |
| Applications | Main seawater cooling, fire water, ballast and offshore seawater systems |
| Certificates | MTC supplied, ABS/DNV/CCS/LR/BV/RINA/KR inspection optional |
Product advantages
Suitable for large-flow seawater piping.
High corrosion resistance in marine and offshore environments.
Can be supplied in standard or custom project dimensions.
Welded seams can be inspected by radiographic testing when required.
Strong seaworthy packaging for long-distance ocean shipment.
