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C71630 C71640 ASTM Welded ECC Reducer Fitting Concentric Reducer Fitting
Copper Nickel Reducer C70600 C71500 Welded ECC Reducer Fittings Big Size
APPLICATION OF EEMUA 146 PIPE FITTINGS
WHAT IS CUPRO NICKEL FITTINGS?
The Tensile Strength of Cupro Nickel Fittings (rolled-H04 for flat
products/ hard drawn-H80 for tubing) is 78000 psi (538 MPa). These
Cuni Fittings has a Tensile Strength (annealed) of 52000 psi (359
MPa). Copper-Nickel Pipe Fittings are used in various application
areas such as pipelines in shipbuilding, oil coolers, electrical
resistors, steam turbine condensers, sprung contacts in relays,
plug connectors and switches, auxiliary cooling systems and in a
large number of cryogenic applications. The Chemical Composition of
Copper Nickel Pipe Bend is Cu 71.25-76.5, Fe ≤ 0.20, Pb ≤0.050, Mn
≤ 1.0, Ni 23.5-26.5 and Zn ≤ 1.0. The Molecular Formula of Copper
nickel is CuNi. Wall thickness chart help to select the various
specifications and thickness of the various types of Cupro Nickel
Long Stub that are available. The Thermal Expansion Co-efficient of
Copper Nickel Pipe Fittings (@20-300°C/68-572°F) is 9.00 µin/in °F
(16.2 µm/m °C). ANSI B16.9 Cu-Ni Welded Buttweld Fittings has a
Shear Modulus (C71500 annealed) of 8300 ksi (57.2 GPa). Cupro
Nickel 5D Bend are also used in conveying brackish water, clean
seawaters and fresh water. Copper Nickel Bellmouth Fittings are
also used in fasteners, boat hulls and in heat exchangers. Such
Cuni Pipe Fittings also find use in high pressure pre-heaters at
fossil fuel power plants and nuclear power plants and Copper Nickel
Fuel Pipe Fittings for fuel systems.
EEMUA 146 UNS C7060X BUTT WELD FITTINGS STANDARD
| BUTT WELD FITTINGS | DIN | ASME/ ANSI |
| ELBOWS LONG RADIUS FITTINGS | DIN 86090 | ANSI/ ASME B16.9 |
| ELBOWS SHORT RADIUS FITTINGS | DIN 86090 | ANSI/ ASME B16.9 |
| EQUAL TEE FITTINGS | DIN 86088 | ANSI/ ASME B16.9 |
| REDUCING TEE FITTINGS | DIN 86088 | ANSI/ ASME B16.9 |
| CONCENTRIC REDUCER FITTINGS | DIN 86089 | ANSI/ ASME B16.9 |
| ECCENTRIC REDUCER FITTINGS | DIN 86089 | ANSI/ ASME B16.9 |
| EQUAL SADDLE FITTINGS | DIN 86087 | |
| REDUCING SADDLE FITTINGS | DIN 86087 | |
| END CAPS FITTINGS | DIN 28011 | ANSI/ ASME B16.9 |
EEMUA 146 PIPE FITTINGS CHEMICAL COMPOSITION
| Copper Nickel EEMUA 146 Fittings | MSS SP97, MSS SP43 | |
| Element | Min | Max |
| Carbon | - | 0.05 |
| Manganese | 0.5 | 1 |
| Phosphorus | - | 0.02 |
| Sulphur | - | 0.02 |
| Nickel | 10 | 11 |
| Copper | Rem | - |
| Lead | - | 0.01 |
| Iron (Fe) | 1.5 | 2 |
| Zinc | - | 0.2 |
| Total Impurities (other than copper (including silver) iron, nickel (including cobalt) and manganese) | - | 0.3 |
CUNI Reducer DATASHEET
