我们对CuNi2Si 的材料要求如下,请问有好的供应商推荐吗?:
CuNi2Si
Methodloflmanufacture Treatment Shapeloflproducts Thickness in mm Width in mm
cold drawn cold worked 0.2-2 ≤350
Properties Unit Value Test Standard
Tensile strength Rm Mpa min.600 EN 10002-1 1)
Proof strength Rp0.2 Mpa ca.480 EN 10002-1 2)
Elongation at fracture A % ca.8 EN 10002-1 2)
Endurance limit σwb(20-106) Mpa ca.250 EN 10002-1 2)
Hardness HB ca.190 ISO 6505-1 2)
Notch toughness J/cm2 ca.78 2)
Density kg/dm3 ca.8.8
Modulus of elastivity E Mpa 143000 2)
Thermal conductivity W/(m.K) 126 2)
Coefficient of linear expansion 1/K 16-10-6 2)
Specifiv he at J/kg-k) 380 2)
Resistivity Ω.mm2/m 0.0583 IEC 468 1)
Melting interval ℃ 1040-1060 2)
2)
Chemical composition % Ni Si Fe Mn Pb Other Cu 1)
1.6-2.5 0.4-0.8 max.0.2 max.0.2 max.0.02 max.0.3 Balance