... in low current devices,such as relays, timers, control swithes.Ni rivet Plate and punched materialsContent(wt.%)≥Density(g/cm3)≤Resistance ... Rate μ(Ω·cm)Tensile StrengthN / mm²Elongating % ≥Hardness HV (MPa) ≥Ni (10) (P.E)1010.102.00220~3808700~900Ni (15) (P ... .673602450Cu(5)510.401.9627017600Cu(10)1010.302.0028015700Ni rivet Ni Rivet