5K Inner Weld Marine Flange
- GradeCuNi 90/10, C70600, CuNi10Fe1Mn
- Product TypeInner weld marine flange
- Pressure RatingJIS 5K
- Size RangeDN15 - DN500 or customized
5K Inner Weld Marine Flange is designed for low-pressure marine seawater piping systems. Manufactured from CuNi 90/10 C70600 alloy, it offers excellent corrosion resistance and reliable connection performance in shipboard piping.
This flange type is widely used in seawater cooling systems, bilge systems, ballast systems, pump connections and marine utility piping where JIS 5K pressure rating is specified.
| Attribute | Technical Specification |
|---|---|
| Material Grade | CuNi 90/10, C70600, CuNi10Fe1Mn |
| Product Type | Inner weld marine flange |
| Pressure Rating | JIS 5K |
| Size Range | DN15 - DN500 or customized |
| Standard | JIS B2220, project marine flange drawings |
| Manufacturing Process | Forging, machining and drilling |
| Connection | Inner weld / pipe welding connection |
| Surface Treatment | Pickling, passivation and anti-tarnish oil |
| Testing | PMI, dimensional inspection, bolt hole inspection |
| Applications | Marine seawater cooling, bilge, ballast and utility piping |
| Certificates | EN 10204 3.1 MTC, third-party inspection optional |
Product advantages
Accurate JIS 5K drilling and flange dimensions.
Good welding compatibility with CuNi 90/10 pipe.
Machined sealing surface for stable connection.
Suitable for shipbuilding and ship repair projects.
Supplied with material certificate and traceability marking.
