EN 12451 CuNi30Fe1Mn (CW354H) 70/30 Copper Nickel Condenser Tubes are intended for heat exchanger units, surface condenser units and marine cooling systems using seawater or brackish water. This copper-nickel alloy is highly resistant to marine corrosion, biofouling, erosion, and impingement attack, and has a low coefficient of friction. This copper-nickel alloy is highly resistant to marine corrosion, biofouling, erosion and impingement attack and has a low coefficient of friction. It has a minimum tensile strength of 370MPa and a minimum elongation of 30% in the R370 temper. USA Piping Solution is a reputable manufacturer and supplier of 70/30 Copper Nickel Condenser Tubes (CW354H) for marine, desalination, power generation and industrial heat transfer applications.
EN 12451 CuNi30Fe1Mn (CW354H) Condenser Tube Specifications
| Property / Parameter | Specification Details |
|---|---|
| Standard Designation | EN 12451 (Seamless round copper alloy tubes for heat exchangers and condensers) |
| Alloy Symbol | CuNi30Fe1Mn |
| Material Number | CW354H (formerly 2.0882 per DIN 1785 / DIN 17664) |
| Alloy Family | 70/30 Copper Nickel (CuNi 70/30) |
| Cross-Reference Standards | ASTM B111 / B466 UNS C71500; BS 2871 Part 3 CN107; ISO 428 CuNi30Mn1Fe |
| Delivery Tempers | R370 / H090 (Soft / Light Annealed); R290 (As-drawn / Half-Hard available on request) |
| Outer Diameter Range | 6.00 mm to 76.20 mm (0.236" to 3.00") |
| Wall Thickness Range | 0.71 mm to 3.50 mm (0.028" to 0.138" / BWG 22 to BWG 10) |
| Length Options | Standard straight lengths up to 12,000 mm (12 m / 40 ft); custom U-bend tube bundles |
| Surface Finish | Bright Annealed (BA), Clean Pickled, Polished, Free of harmful oxide scales |
| End Configurations | Plain Ends (Square Cut & Deburred), Beveled Ends, Swaged/Expanded Ends |
| Quality Certification | EN 10204 Type 3.1 Material Test Report; Type 3.2 available with independent TPI |
Applications and Industrial Uses of EN 12451 (CW354H) Condenser Tube
- Marine and Shipbuilding
- Power Generation Plants
- Desalination Plants
- Heat Exchangers
- Surface Condensers
- Seawater Cooling Systems
- Oil and Petrochemical Processing
- Chemical Processing Plants
Frequently Asked Questions
What is EN 12451 CuNi30Fe1Mn?
EN 12451 CuNi30Fe1Mn is a European-standard 70/30 copper-nickel alloy used mainly for seamless tubes in heat exchangers, condensers, and desalination equipment.
What is CW354H copper nickel?
CW354H is the European material designation for CuNi30Fe1Mn, a 70/30 copper-nickel alloy containing about 30% nickel with controlled iron and manganese.
What is EN 12451 CW354H used for?
It is used for condenser tubes, heat exchangers, seawater cooling systems, desalination equipment, and marine applications.
What is the difference between CW354H and C71500?
CW354H is the European designation for CuNi30Fe1Mn, while C71500 is the UNS designation for a similar 70/30 copper-nickel alloy commonly specified under ASTM standards.
Is CW354H the same as CuNi30Fe1Mn?
Yes. CW354H is the material number for CuNi30Fe1Mn under the European designation system.
Are EN 12451 tubes seamless?
Yes. EN 12451 covers seamless round copper and copper-alloy tubes intended for heat exchangers, condensers, evaporators, and desalination equipment.