C71500 Cupro-Nickel 70/30 Manufacturer & Supplier
Seventy-thirty cupro-nickel. Three times the nickel of 90/10, so it takes higher flow velocity, higher temperature and more aggressive water — specified for main condensers, brackish and polluted water, and high-velocity firewater mains.
UNS: UNS C71500 / CW354H CuNi30Mn1Fe | Category: Cupro-Nickel
Size Range
Outer Diameter: Tube 6-159 mm OD · pipe to DN 250 · plate 3-50 mm
Chemical Composition (%)
| Cu | Ni | Fe | Mn | Zn |
|---|---|---|---|---|
| balance | 29.0-33.0 | 0.40-1.0 | 0.50-1.5 | 0.50 max |
Mechanical Properties
- Tensile Strength
- 370-480 MPa
- Yield Strength
- 140-170 MPa
- Elongation
- 30-35%
- Hardness
- 90-120 HV
Applicable Standards
- ASTM B111
- ASTM B466
- ASTM B171
- EEMUA 144
- EN 10204 3.1
Applications
- Main condenser tube
- Brackish and polluted water service
- High velocity firewater mains
- Feedwater heater tube
- Naval seawater systems
Industries Served
- Marine & Shipbuilding
- Desalination
- Oil & Gas
- Power & Energy
- Chemical & Petrochemical
- Defence
Equivalent Grades
- CW354H
- CW354H
- CuNi30Mn1Fe
- CuNi30Mn1Fe
- C71500
- C71500
- JIS C7150
- JIS C7150
- 70/30 CuNi
- 70/30 CuNi