Copper Sheet Aluminum Sheet Stainless Steel Sheet Specialty Metal Alloys

Copper Alloy 770

Copper Alloy 770 composition of copper, nickel and zinc results in the metal being reference as German Silver or Nickel Silver. The metal does contain any silver but will give off a bright silvery appearance.

Comet Metals Inc stocks Copper Alloy 770 in thicknesses from .004 to .100 in. We pride ourselves on fast service, dependability and quality products, at the right price! Rush deliveries, same day shipping on stock items, and overnight delivery are available.

Copper Alloy 770 (55% copper, 27% zinc, and 18% Nickel) can be used in printed circuit board shielding due to its excellent solderability and electricla conductivity. 


1   Inches/inch/°F x 106 from 68°F to 572°F (20°C to 300°C)

2   Lbs.per at 68°F (Annealed) ( x 27.68 gms./cu.Cm. at 20°C)

3   % IACS at 68°F (20°C) as annealed

4   % in 2 inches

5   x 106 PSI, tension

6   0.020 gauge and above (30T scale)

7   x 1000 psi

8   9.4 BTU per sq.ft.per hr. per °F

9   0.2% offset

Call us at 888-539-5602 today for a quote or simply get an online quote. You may also reach us via email at sales@cometmetals.comThe specifications shown on these pages are not for design purposes.

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