Large-Diameter Copper-Nickel Alloy Piping Solutions
for Marine & Offshore Applications
Precision-manufactured copper-nickel alloy pipes, fittings, and fluid system components trusted by global marine, offshore, and industrial clients.
Our Products
Comprehensive range of copper-nickel alloy piping solutions for critical applications
Seamless Copper-Nickel Alloy & Copper Tubes and Pipes
Precision thin-wall and medium tubes for heat exchangers, condensers, and marine cooling systems.
Learn More
Large-Diameter Heavy-Wall Pipes
High-strength pipes up to Ø508mm for marine, offshore, FPSO, and desalination systems.
Learn More
Welded Pipes
Cost-effective large-diameter piping up to 48" for seawater and industrial systems.
Learn More
Fittings & Bars
Heavy-duty extruded fittings and bars with wall thickness up to 70mm.
Learn MoreWhy Choose KSW
Engineering strength in large-diameter non-ferrous piping solutions
Advanced Manufacturing
Specialized in large-diameter and thick-wall pipe production with precision processing of CuNi and non-ferrous alloys.
Integrated Production
From raw material to finished product with full quality control, consistent metallurgical properties, and traceable workflows.
Material Expertise
Deep expertise in CuNi alloys (C70600, C71500), optimized for seawater corrosion resistance and durability.
Custom Engineering
Tailored solutions for non-standard sizes and special requirements. Flexible production for project-based and long-term supply.
R&D and Innovation
Dedicated technical team with 26 patented technologies in non-ferrous metal processing, equipment design, and manufacturing.
Quality & Reliability
Strict quality control across all stages. Compliance with ASTM/ASME, EN, JIS. Proven in high-demand environments.
Trusted by Industry Leaders
Serving clients across Europe, Americas, Asia, and Africa
EPC / Industrial Clients
Energy Companies
Heat Exchanger Companies
Industries We Serve
Trusted by clients across marine, energy, and industrial sectors worldwide
Marine & Shipbuilding
- Seawater piping systems
- Cooling systems
Power Plants
- Heat exchangers
- Condensers
- Transfer pipelines
Offshore & Oil & Gas
- Platform piping
- Firewater & seawater systems
Seawater Desalination
- Offshore / nearshore piping
- Corrosion-resistant piping
Petrochemical
- Industrial fluid transport piping
Certified & Approved
Proven Track Record