Alloy Names
UNS C75200
Applications
Consumer: Holloware, Musical Instrument Parts, Radio Dials, Name Plates, Hollow Ware, Costume Jewelry, Camera Parts, Bows, Table Flat Ware, Zippers.
Fasteners: Screws, Rivets.
Industrial: Truss Wire, Base for Silver Plate, Core Bars, Templates, Etching Stock.
Characterists
  • NS 106 is one of the most popular grades of nickel silver for deep drawing, spinning and other cold forming operations.
  • It combines good strength and ductility with outstanding resistance to wear, corrosion and tarnish.
  • It accepts a high degree of polish to a slivery white colour, aesthetically pleasing in its own right, while also providing an excellent base material for plated silverware - still on of its traditional uses.
  • the alloy also finds many electrical and electronic applications and is readily soldered and silver brazed.
  • the sheets are stocked in soft temper suitable for extensive cold working.
 
Nominal Composition
Cu Ni Fe Mn Pb Zn
60.0 - 65.0 % 17.0 - 19.0 % 0.30 % Max. 0.05 - 0.50 % 0.03 % Max. Rem.

Properties

Ultimate Tensile strength (N/mm²) 390
0.2% Proof strength (N/mm²) 120
Elongation (%) 45
Hardness (HV) 80
Density (g/cm³) 8.75
Melting Range (°C) 1060 1110
Thermal conductivity (W/m°C) 25
Electrical Resistivity (μΩ.cm) 29
Electrical Conductivity (%IACS) 6
Magnetic Permeability 1.05 Max.
Modulus of Elasticity (N/mm²) 135,000
Joining Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding fair
Coated Metal Arc Welding Not Recommended
Spot Weld good
Seam Weld fair
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed poor

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