( alliages cuivreux spéciaux )

 

 

            Caractéristiques chimiques et électriques

 

       Symboles AFNOR                  .                                      Caractéristiques moyennes                            .

 

                                                               Densité                              Hb > 30 D²                            Conductivité

                                                                                                                                                             % IACS

            CuCrZr                                      8.9                                          110 à 140                                      > 75

            (cu + cr 0.4 + Zr 0.05)                            

            CuCo2Be                                  8.9                                          220 à 240                                      > 43

            ( cu + co2.5 + Be 0.5)                             

            CuBe2                                       8.3                                          320 à 360                                         30

            ( cu + Be 1.8 à 2 )

            Cu Ni Si                                    8.6                                          190 à 195                                             -

            ( Cu + Ni 2.3 + Si 0.6 )

            CuNi14AL                                8.6                                          200 à 215                                              -

            (cu + Ni14 + AL3 + Mn0.5)