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Copper Nickel 70/30 Tubes | ASTM B111 UNS C71500 Seamless & Condenser Tubes
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Specification
Chemical Composition
Copper Nickel 70/30 Tubes are high-performance copper-nickel alloy tubes containing approximately 70% copper and 30% nickel with added iron and manganese for improved corrosion resistance. These tubes are widely used in marine, offshore, desalination, shipbuilding, condensers, heat exchangers, and power generation industries due to their excellent resistance to seawater corrosion, biofouling, stress corrosion cracking, and erosion. Available under standards such as ASTM B111 UNS C71500, ASTM B466 UNS C71500 Seamless Tubes, ASME SB111 C71500 Tubes, and MIL-T-16420K C71500 Tubes, they provide outstanding durability and long service life in demanding environments.
Detailed Information
Copper Nickel 70/30 Tubes Supplier, Manufacturer & Exporter
We are a reliable Copper Nickel 70/30 tube supplier, offering premium-quality tubes for industries that demand exceptional corrosion resistance and long operational life. Our extensive inventory includes C71500 Copper Nickel 70/30 Tubes, UNS C71500 Cupro Nickel Tubes, ASME SB111 C71500 Tubes, ASTM B466 UNS C71500 Seamless Tubes, and ASTM B395 C71500 U-Bend Tubes manufactured to international quality standards.
As an experienced Cupro Nickel 70/30 tube manufacturer in India, we supply seamless, welded, condenser, boiler, heat exchanger, and U-bend tubes for projects worldwide. Every tube undergoes strict quality inspection, dimensional verification, hydrostatic testing, and chemical analysis before dispatch.
Our products are supplied to customers across oil & gas, marine engineering, power plants, offshore platforms, petrochemical facilities, desalination plants, shipbuilding industries, and heat exchanger manufacturers.
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New York City, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, San Jose, Austin, Jacksonville, Fort Worth, Columbus, Charlotte, San Francisco, Indianapolis, Seattle, Denver, Washington, Boston, El Paso, Nashville, Detroit, Oklahoma City, Portland, Las Vegas, Memphis, Louisville, Baltimore, Milwaukee, Albuquerque, Tucson, Fresno, Mesa, Sacramento, Atlanta, Kansas City, Colorado Springs, Omaha, Raleigh, Miami, Long Beach, Virginia Beach, Oakland, Minneapolis, Tulsa, Tampa, Arlington, New Orleans, Wichita, Bakersfield, Cleveland, Aurora, Anaheim, Honolulu, Santa Ana, Riverside, Corpus Christi, Lexington, Henderson, Stockton, Saint Paul, Cincinnati, St. Louis, Pittsburgh, Greensboro, Lincoln, Anchorage, Plano, Orlando, Irvine, Newark, Durham, Chula Vista, Toledo, Fort Wayne, St. Petersburg, Laredo, Jersey City, Chandler, Madison, Lubbock, Scottsdale, Reno, Buffalo, Gilbert, Glendale, North Las Vegas, Winston-Salem, Chesapeake, Norfolk, Fremont, Garland, Irving, Hialeah, Richmond, Boise, Spokane, Baton Rouge, Tacoma, San Bernardino, Modesto, Fontana, Des Moines, Moreno Valley, Santa Clarita, Fayetteville, Birmingham, Oxnard, Rochester, Port St. Lucie, Grand Rapids, Huntsville, Salt Lake City, Frisco, Yonkers, Amarillo, Glendale, Huntington Beach, McKinney, Montgomery, Augusta, Aurora, Akron, Little Rock, Tempe, Columbus, Overland Park, Grand Prairie, Tallahassee, Cape Coral, Mobile, Knoxville, Shreveport, Worcester, Ontario, Vancouver, Sioux Falls, Chattanooga, Brownsville, Fort Lauderdale, Providence, Newport News, Rancho Cucamonga, Santa Rosa, Peoria, Oceanside, Elk Grove, Salem, Pembroke Pines, Eugene, Garden Grove, Cary, Fort Collins, Corona, Springfield, Jackson, Alexandria, Hayward, Clarksville, Lakewood, Lancaster, Salinas, Palmdale, Hollywood, Springfield, Macon, Kansas City, Sunnyvale, Pomona, Killeen, Escondido, Pasadena, Naperville, Bellevue, Joliet, Murfreesboro, Midland, Rockford, Paterson, Savannah, Bridgeport, Torrance, McAllen, Syracuse, Surprise, Denton, Roseville, Thornton, Miramar, Pasadena, Mesquite, Olathe, Dayton, Carrollton, Waco, Orange, Fullerton, Charleston, West Valley City, Visalia, Hampton, Gainesville, Warren, Coral Springs, Cedar Rapids, Round Rock, Sterling Heights, Kent, Columbia, Santa Clara, New Haven, Stamford, Concord, Elizabeth, Athens, Thousand Oaks, Lafayette, Simi Valley, Topeka, Norman, Fargo, Wilmington, Abilene, Odessa, Columbia, Pearland, Victorville, Hartford, Vallejo, Allentown, Berkeley, Richardson, Arvada, Ann Arbor, Rochester, Cambridge, Sugar Land, Lansing, Evansville, College Station, Fairfield, Clearwater, Beaumont, Independence, Provo, West Jordan, Murrieta, Palm Bay, El Monte, Carlsbad, North Charleston, Temecula, Clovis, Springfield, Meridian, Westminster, Costa Mesa, High Point, Manchester, Pueblo, Lakeland, Pompano Beach, West Palm Beach, Antioch, Everett, Downey, Lowell, Centennial, Elgin, Richmond, Peoria, Broken Arrow, Miami Gardens, Billings, Jurupa Valley, Sandy Springs, Gresham, Lewisville, Hillsboro, Ventura, Greeley, Inglewood, Waterbury, League City, Santa Maria, Tyler, Davie, Lakewood, Daly City, Boulder, Allen, West Covina, Sparks, Wichita Falls, Green Bay, San Mateo, Norwalk, Rialto, Las Cruces, Chico, El Cajon, Burbank, South Bend, Renton, Vista, Davenport, Edinburg, Tuscaloosa, Carmel, Spokane Valley, San Angelo, Vacaville, Clinton, Bend, Woodbridge.
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Specification of Copper Nickel 70/30 Seamless / Welded Tubes
|
Specification |
Details |
|
Product |
Copper Nickel 70/30 Tubes |
|
Material Grade |
UNS C71500 |
|
Alloy |
Copper Nickel 70/30 |
|
Standards |
ASTM B111, ASTM B466, ASTM B395, ASME SB111 |
|
DIN / W.Nr |
W.Nr. 2.0882 |
|
CDA Grade |
CDA 715 |
|
Military Standard |
MIL-T-16420K C71500 Tubes |
|
Forms |
Seamless, Welded, Condenser, Heat Exchanger, U-Bend |
|
Size Range |
6.35 mm OD to 127 mm OD |
|
Wall Thickness |
0.5 mm to 12 mm |
|
Length |
Random, Double Random & Cut Length |
|
Finish |
Annealed, Pickled, Bright Annealed |
Chemical Composition of Copper Nickel 70/30 Tubes
|
Grade |
Cu |
Mn |
Pb |
Ni |
Fe |
Zn |
|
Cu-Ni 70-30 |
65.0 min |
1 max |
.05 max |
29-33 |
0.4-1.0 |
1 max |
Copper Nickel 70/30 Pipes and Tubes Equivalent Grades
|
STANDARD |
UNS |
WNR. |
|
Copper Nickel 70/30 |
C71500 |
2.0882 |
Mechanical Properties of Cu-Ni 70/30 Tubing
|
Properties |
Metric |
Imperial |
|
Tensile strength, ultimate |
372-517 MPa |
54000-75000 psi |
|
Tensile strength, yield (depending on temper) |
88.0-483 MPa |
12800-70100 psi |
|
Elongation at break (in 381 mm) |
45.0% |
45.0% |
|
Charpy impact |
107 J |
78.9 ft-lb |
|
Machinability (UNS C36000 (free-cutting brass) = 100%) |
20% |
20% |
|
Shear modulus |
57.0 GPa |
8270 ksi |
|
Poisson’s ratio |
0.34 |
0.34 |
|
Elastic modulus |
150 GPa |
21800 ksi |
Physical Properties of Cupro Nickel 70/30 Pipes / Tubes
|
Properties |
Metric |
Imperial |
|
Density |
8.94 g/cm3 |
0.323 lb/in3 |
|
Melting point |
2140°F |
1171°C |
Manufacture and Heat Treatment
Tempering
UNS C71500 copper nickel combinations are toughened at temperatures somewhere in the range of 649 and 816°C (1200 and 1500°F)
Cold Working
UNS C71500 copper nickel combinations have great virus working limit.
Hot Working
Copper nickel 70/30 composites are hot shaped in a fantastic way.
Welding
Copper nickel 70/30 composites can be welded utilizing gas protected bend welding, spot welding, covered metal curve welding, butt welding, crease welding, brazing, binding and oxyacetylene welding measures.
Producing
Temperatures somewhere in the range of 927 and 1038°C (1700 and 1900°F) are appropriate for the 70/30 copper nickel composites.
Machinability
The machinability rating of copper nickel 70/30 combinations is 20%.
Applications
UNS C71500 copper nickel composites are utilized in zones where hardened steel can’t be utilized because of chloride stress-consumption breaking and in different parts requiring high erosion opposition. These combinations are additionally utilized as machined and manufactured valve and siphon parts that are used for seawater administrations.
Use of Copper Nickel Alloy 70/30 – UNS C71500 – Cupro Nickel
- Desalination units
- Hydraulic lines
- Fish cages for aquaculture
- Heat exchangers and condensers
- Sea water pipework
- Offshore fire water systems
- Tubes for power plants and ships
- Pumps, valves, sheathing and fittings for ship hulls
C71500 COPPER NICKEL APPLICATIONS
- Condensers
- Seawater piping
- Power plants
- Exchanger shells
Types of Copper Nickel 70/30 Tubes Stock
Copper Nickel 70/30 Seamless Pipes
Cupro Nickel 70/30 Seamless Pipes
UNS C71500 Seamless Pipes
DIN 2.0882 Seamless Pipes
Copper Nickel 70/30 Seamless Tubes
Cu-Ni 70/30 Seamless Tube
CuNi UNS C71500 Seamless Tubing
DIN 2.0882 Seamless Tubes
Copper Nickel 70/30 Welded Pipes
Cupro Nickel 70/30 Welded Pipes
UNS C71500 Welded Pipes
Cu-Ni DIN 2.0882 Welded Pipe
Copper Nickel 70/30 Welded Tubes
70/30 CuNi Welded Tubing
UNS C71500 Welded Tube
ASME SB111 Copper Nickel 70/30 Welded Tubing
Copper Nickel 70/30 ERW Pipes
Cupro Nickel 70/30 ERW Pipe Stockist
CuNi Alloy UNS C71500 ERW Pipes
Cu-Ni DIN 2.0882 ERW Pipe
Copper Nickel 70/30 ERW Tubes
UNS C71500 ERW Tube
DIN 2.0882 ERW Tubing
ASTM B111 Cupro Nickel 70/30 ERW Tubes
Cu-Ni 70/30 ERW Tubes
Applications of Copper Nickel 70/30 Tubes
Thanks to their exceptional resistance to seawater corrosion and high mechanical strength, these tubes are widely used in:
- Marine engineering
- Shipbuilding
- Offshore oil & gas platforms
- Heat exchangers
- Surface condensers
- Power generation plants
- Desalination facilities
- Petrochemical plants
- Chemical processing industries
- Refineries
- Cooling water systems
- Hydraulic systems
- Firewater pipelines
Related Copper Nickel Tubes Grades
Why Choose Us as Your Copper Nickel 70/30 Tube Supplier?
Choosing the right supplier ensures reliable product performance and timely project completion. We focus on delivering certified materials that meet international quality standards while maintaining competitive pricing and dependable customer service.
Our advantages include:
- Large ready stock of ASTM B111 UNS C71500 condenser tubes
- Experienced Cupro Nickel 70/30 tube manufacturer in India
- Worldwide export capability
- Complete material traceability
- Third-party inspection available
- Custom sizes and cut lengths
- Fast delivery schedules
- Mill Test Certificates (EN 10204 3.1)
- Strict quality testing
- Technical support before and after purchase
Whether you require CuNi 70/30 seamless heat exchanger tubes, ASTM B466 UNS C71500 seamless tubes, or MIL-T-16420K C71500 tubes, we provide dependable solutions tailored to your project requirements.
Equivalent Grades for Alloy 825 Seamless and Welded Tubes
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Equivalent | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo | XH38BT |
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