Las aleación de cobre y níquel se utilizan principalmente en la fabricación de resistencias eléctricas que van a trabajar a bajas temperaturas, como pueden ser los cables de calefacción, derivaciones y resistencias para automóviles. La temperatura máxima de funcionamiento de las diferentes aleaciones de cobre-níquel es de 400ºC. La aleación de Constantan presenta la ventaja de un coeficiente de temperatura muy bajo, gran resistencia a la corrosión, buena maleabilidad y soldabilidad.
Las diferentes aleaciones que se indican en esta página están disponibles en hilo de cobre y fleje de cobre cortado a medida. En cuanto a las aleaciones de latón están disponibles en fleje de latón y lámina de latón cortada a medida.
A continuación le indicamos las aleaciones de cobre y latón más habituales. Debido a la cantidad de aleaciones y normativas diferentes que existen para estos materiales, en caso de no encontrar el material que necesita en esta pagina, dispone del formulario de contacto para hacernos llegar su consulta.
Constantan
Chemical Content, %
Ni | Mn | Fe | Si | Cu | Other |
---|---|---|---|---|---|
44 | 1 | – | – | Bal | – |
Mechanical Properties
Property Name | Value |
---|---|
Max Continuous Service Temp | 400℃ |
Resisivity at 20℃ | 0.49±5%ohm mm2/m |
Density | 8.9 g/cm3 |
Thermal Conductivity | -6(Max) |
Melting Point | 1280℃ |
Tensile Strength, N/mm2 Annealed,Soft | 340~535 Mpa |
Tensile Strength, N/mm2 Cold Rolled | 680~1070 Mpa |
Elongation(anneal) | 25%(Min) |
Elongation(cold rolled) | 2%(Min) |
EMF vs Cu, μV/ºC (0~100ºC) | -43 |
Micrographic Structure | austenite |
Magnetic Property | Non |
Aleación C70250
Chemical Content, %
Ni | Mn | Fe | Si | Cu | Other | ROHS Directive Cd | ROHS Directive Pb | ROHS Directive Hg | ROHS Directive Cr |
---|---|---|---|---|---|---|---|---|---|
2.0 | – | – | – | Bal | – | ND | ND | ND | ND |
Mechanical Properties
Property Name | Value |
---|---|
Max Continuous Service Temp | 200℃ |
Resisivity at 20℃ | 0.05±10%ohm mm2/m |
Density | 8.9 g/cm3 |
Thermal Conductivity | <120 |
Melting Point | 1090℃ |
Tensile Strength, N/mm2 Annealed,Soft | 140~310 Mpa |
Tensile Strength, N/mm2 Cold Rolled | 280~620 Mpa |
Elongation(anneal) | 25%(min) |
Elongation(cold rolled) | 2%(min) |
EMF vs Cu, μV/ºC (0~100ºC) | -12 |
Micrographic Structure | austenite |
Magnetic Property | Non |
Aleación C70500
Chemical Content, %
Ni | Mn | Fe | Si | Cu | Other | ROHS Directive Cd | ROHS Directive Pb | ROHS Directive Hg | ROHS Directive Cr |
---|---|---|---|---|---|---|---|---|---|
6 | – | – | – | Bal | – | ND | ND | ND | ND |
Mechanical Properties
Property Name | Value |
---|---|
Max Continuous Service Temp | 200℃ |
Resisivity at 20℃ | 0.1±10%ohm mm2/m |
Density | 8.9 g/cm3 |
Thermal Conductivity | <60 |
Melting Point | 1095℃ |
Tensile Strength, N/mm2 Annealed,Soft | 170~340 Mpa |
Tensile Strength, N/mm2 Cold Rolled | 340~680 Mpa |
Elongation(anneal) | 25%(Min) |
Elongation(cold rolled) | 2%(Min) |
EMF vs Cu, μV/ºC (0~100ºC) | -12 |
Magnetic Property | Non |
Aleación C70600
Chemical Content, %
Ni | Mn | Fe | Si | Cu | Other | ROHS Directive Cd | ROHS Directive Pb | ROHS Directive Hg | ROHS Directive Cr |
---|---|---|---|---|---|---|---|---|---|
10 | 0.3 | – | – | Bal | – | ND | ND | ND | ND |
Mechanical Properties
Property Name | Value |
---|---|
Max Continuous Service Temp | 250℃ |
Resisivity at 20℃ | 0.15±10%ohm mm2/m |
Density | 8.9 g/cm3 |
Thermal Conductivity | <50 |
Melting Point | 1100℃ |
Tensile Strength, N/mm2 Annealed,Soft | 290 Mpa(Min) |
Elongation(anneal) | 25%(Min) |
EMF vs Cu, μV/ºC (0~100ºC) | -25 |
Magnetic Property | Non |
Aleación 180
Chemical Content, %
Ni | Mn | Fe | Si | Cu | Other | ROHS Directive Cd | ROHS Directive Pb | ROHS Directive Hg | ROHS Directive Cr |
---|---|---|---|---|---|---|---|---|---|
23 | 0.5 | – | – | Bal | – | ND | ND | ND | ND |
Mechanical Properties
Property Name | Value |
---|---|
Max Continuous Service Temp | 300℃ |
Resisivity at 20℃ | 0.3±5%ohm mm2/m |
Density | 8.9 g/cm3 |
Thermal Conductivity | 16(Max) |
Melting Point | 1150℃ |
Tensile Strength, N/mm2 Annealed,Soft | 270~420 Mpa |
Tensile Strength, N/mm2 Cold Rolled | 350~840 Mpa |
Elongation(anneal) | 25% (Max) |
Elongation(cold rolled) | 2% (Max) |
EMF vs Cu, μV/ºC (0~100ºC) | -34 |
Micrographic Structure | austenite |
Magnetic Property | Non |
Lámina de cobre puro
Chemical Content, %
Cu | Bi | Sb | As | Fe | Ni | Pb | S | Zn | ROHS Directive Cd | ROHS Directive Pb | ROHS Directive Hg | ROHS Directive Cr |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Bal. | 0.001 | 0.002 | 0.002 | 0.005 | – | 0.005 | 0.005 | – | ND | ND | ND | ND |
Mechanical Properties
Grade | Condition | Thickness (mm) | Tensile strength (Mpa) | Elongation (%) | Hardness (HV) |
---|---|---|---|---|---|
C11000 | O | ≥0.01 | ≥205 | ≥30 | — |
C11000 | 1/4H | ≥0.01 | 215~275 | ≥25 | 55~100 |
C11000 | 1/2H | ≥0.01 | 245~345 | ≥8 | 75~120 |
C11000 | H | ≥0.01 | ≥295 | ≥3 | ≥80 |
Lámina de latón
Chemical Content, %(CuZn37)
Cu | Fe | Ni | Pb | Al | Sn | Zn | ROHS Directive Cd | ROHS Directive Pb | ROHS Directive Hg | ROHS Directive Cr |
---|---|---|---|---|---|---|---|---|---|---|
62.0-64.0 | 0.1 | 0.3 | 0.1 | 0.05 | 0.1 | Bal | ND | ND | ND | ND |
Chemical Content, %(C26800)
Cu | Fe | Ni | Pb | Al | Zn | ROHS Directive Cd | ROHS Directive Pb | ROHS Directive Hg | ROHS Directive Cr |
---|---|---|---|---|---|---|---|---|---|
64.0-68.0 | 0.05 | – | 0.15 | – | Bal | ND | ND | ND | ND |
Mechanical Properties
Grade | Condition | Thickness (mm) | Tensile strength (Mpa) | Elongation (%) | Hardness (HV) |
---|---|---|---|---|---|
CuZn37C26800 | O | 0.05-1.0 | ≥290 | ≥40 | — |
CuZn37C26800 | 1/4H | 0.05-1.0 | 325~410 | ≥35 75~125 | |
CuZn37C26800 | 1/2H | 0.05-1.0 | 340~460 | ≥25 85~145 | |
CuZn37C26800 | H | 0.05-1.0 | 390~530 | ≥13 | 105~175 |
CuZn37C26800 | TH | 0.05-1.0 | ≥490 | ≥4 | ≥145 |
Lámina plata
Chemical Composition
Alloy No. | Cu | Mn | Ni | Zn |
---|---|---|---|---|
C75200 | 63.0-66.5 | 0-0.5 | 16.5-19.5 | Remainder |
C7541 | 60.0-64 | 0-0.5 | 12.5-15.5 | Remainder |
C77000 | 53.5-56.5 | 0-0.5 | 16.5-19.5 | Remainder |
Mechanical Properties
Grade | Condition | Thickness (mm) | Tensile strength (Mpa) | Elongation (%) | Hardness (HV) |
---|---|---|---|---|---|
BZn15-20 | M | ≥0.3 | ≥340 | ≥35 | — |
BZn15-20 | Y2 | ≥0.3 | 440~570 | ≥5 | — |
BZn15-20 | Y | ≥0.3 | 540~690 | ≥1.5 | — |
BZn15-20 | T | ≥0.3 | ≥640 | ≥1 | — |
BZn18-18 | M | 0.15~1.2 | ≥375 | ≥20 | — |
BZn18-18 | Y2 | 0.15~1.2 | 440~570 | ≥5 | 120~180 |
BZn18-18 | Y | 0.15~1.2 | ≥540 | ≥3 | ≥150 |
BZn18-26 | M | 0.15~1.0 | ≥400 | ≥40 | — |
BZn18-26 | Y2 | 0.15~1.0 | 540~655 | ≥8 | 150~210 |
BZn18-26 | Y | 0.15~1.0 | 630~735 | ≥4 | 180~240 |
BZn18-26 | T | 0.15~1.0 | 705~805 | — | 210~260 |
B19 | M | 0.5-10.0 | ≥290 | ≥25 | — |
B19 | Y | 0.5-10.0 | ≥390 | ≥3 | — |