C70600 copper-nickel 90/10 for offshore seawater piping, C71500 for condenser tubes, and NAB nickel aluminium bronze for pump impellers, propeller shafts and subsea valves. Anti-biofouling properties critical for reduced maintenance. Serving Chinese shipbuilders and CSSC/CSIC supply chains.
C70600铜镍90/10用于近海海水管道，C71500用于冷凝管，NAB镍铝青铜用于泵叶轮、螺旋桨轴和水下阀门。防生物污损性能显著降低维护成本。服务于中国造船厂及中船集团供应链。
C70600 copper-nickel 90/10 is the standard material for offshore platform seawater service lines, firewater mains and cooling water circuits. Superior biofouling resistance reduces cleaning intervals and platform downtime.
C71500 copper-nickel 70/30 for high-duty condenser tubes in steam turbine power plants, seawater desalination units and FPSO heat exchangers requiring superior corrosion resistance at elevated temperatures.
NAB nickel aluminium bronze for seawater lift pump impellers, gate valves and butterfly valves on offshore platforms. Outstanding cavitation resistance and compressive strength up to 900 MPa.
C70600 and C71500 for naval vessel condensers, submarine seawater systems and shipboard heat exchangers. Full Lloyd's Register and Bureau Veritas material documentation available for classification society requirements.
C70600 tube bundles for MSF and RO desalination plant heat exchangers. Anti-biofouling properties reduce chemical treatment costs and membrane fouling in Middle Eastern desalination projects.
Serving Chinese Tier-2 and Tier-3 suppliers to CSSC and CSIC (China State Shipbuilding) programmes. Material certification to CCS (China Classification Society) requirements with Western mill documentation for export vessel programmes.
| Grade | Name | Key Properties | Forms | Primary Use | Stock | |
|---|---|---|---|---|---|---|
| C70600 CuNi10Fe | Copper-Nickel 90/10 | Anti-biofoulingSeawater resistantWeldable | Tube · Pipe · Sheet · Strip | Offshore piping · Condenser · Desalination | ● In Stock | |
| C71500 CuNi30Mn | Copper-Nickel 70/30 | Superior corrosionHigh tempNaval grade | Tube · Plate · Sheet | Naval condensers · Heat exchangers | ○ On Order | |
| NAB CuNi14Al3Fe3 | Nickel Aluminium Bronze | Cavitation resistant600–900 MPaSeawater | Rod · Bar · Plate · Casting | Pump impellers · Propeller shafts · Valves | ● Available | |
| C46400 Naval Brass | Naval Brass | Dezincification resist.Marine hardware | Rod · Bar · Sheet | Marine fittings · Deck hardware | ● In Stock |
Tell us your alloy grade, tube dimensions and quantity. We supply with Lloyd's Register or Bureau Veritas material documentation on request. 请告知合金牌号、管材尺寸及数量，可提供劳氏船级社或法国船级社文件。