Wrought Copper Alloys: Nickel Silvers (C73500 - C79999)

Standard Designation for Wrought Copper Alloys

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Copper-Nickel-Zinc Alloys (Nickel Silvers) (C73500 - C79999)

* = are alloys registered with the U.S. EPA as Antimicrobial.

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UNS # Cu Pb Zn Fe Ni Mn Other Named Elements Status
Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max%
C73500*
Nickel Silver
70.573.5(1)(2)0.09Rem0.2516.519.5(3)0.50active
C73600
Copper Nickel Zinc Alloy
69.0(2)73.50.10Rem0.25inactive
05/72
C73800*
Copper Nickel
68.5(2)71.60.05Rem0.2511.013.00.50inactive
03/92
C74000*
Copper Nickel Zinc Alloy
69.0(1)(2)73.50.05Rem0.259.011.0(3)0.50active
C74100
Copper Nickel Zinc Alloy
Rem(2)inactive
11/74
C74200
Copper Nickel Zinc Alloy
inactive
11/74
C74300*
Nickel Silver
63.066.0(2)(1)0.09Rem0.257.09.0(3)0.50active
C74400*
Nickel Silver
62.0(2)(4)66.00.05Rem0.052.04.0(3)active
C74500*
Nickel Silver, 65-10
63.5(2)(1)66.50.09(5)Rem0.259.011.0(3)0.50active
C75200*
Nickel Silver, 65-18
63.066.5(1)(2)0.05Rem0.2516.5(3)19.50.50active
C75400
Nickel Silver, 65-15
63.5(1)(2)66.50.10Rem0.2514.016.0(3)0.50active
C75700*
Nickel Silver, 65-12
63.5(2)(1)66.50.05Rem0.2511.013.0(3)0.50active
C75720*
Copper Nickel Zinc
60.0(2)65.00.04Rem0.2511.013.00.050.30inactive
03/92
C75900
Copper Nickel Zinc
60.065.0(2)0.10Rem0.2517.019.00.50inactive
03/92
C7600060.063.0(1)(2)0.10Rem0.257.0(3)9.00.50active
C76100
Copper Nickel Zinc
59.0(2)63.00.10Rem0.257.09.00.50inactive
03/92
C76200
Nickel Silver
57.061.0(1)(2)0.09Rem0.2511.013.5(3)0.50active
C76300
Copper Nickel Zinc
60.064.0(2)0.502.0Rem0.5017.019.00.50inactive
03/92
C76390
Copper Nickel Zinc
59.063.0(2)0.81.1Rem0.2523.026.00.500.40 Sn
0.6 Sn
inactive
03/92
C76400*
Nickel Silver
58.5(2)(1)61.50.05Rem0.2516.5(3)19.50.50active
C76600
Copper Nickel Zinc
55.0(2)58.00.10Rem0.2511.013.50.50inactive
03/92
C76700
Nickel Silver, 56.5-15
55.0(1)(2)58.0Rem14.0(3)16.00.50active
C76800
WNS7
47.550.0(2)(1).09Rem8.0(3)9.54.56.5active
C77000
Nickel Silver, 55-18
53.556.5(1)(2)0.05Rem0.2516.519.5(3)0.50active
C77010
Copper Nickel Zinc
54.0(2)56.00.03Rem17.019.00.050.35inactive
03/92
C7710052.056.0(6)(1).03Rem9.0(7)12.0.9active
C7730046.050.0(2)(1)0.05Rem9.0(3)11.00.04 Si
0.25 P
0.01 Al
0.25 Si
active
C77310
Copper Nickel Zinc
46.056.0(2)0.05Rem9.011.00.500.04 Si
0.25 P
0.01 Al
0.25 Si
inactive
03/92
C7740043.047.0(1)(2)0.09Rem9.0(3)11.0active
C7760042.0(2)(1)45.00.25Rem0.2012.014.0(3)0.250.15 Sn
active
C78150
Replaced by C78270
inactive
12/07
C7820063.0(1)(2)67.01.52.5Rem0.357.09.0(3)0.50active
C78270
Nickel Silver Nickel Silver
65.0(2)(1)68.01.01.8Rem0.354.56.0(3)0.50active
C78400
Copper Nickel Zinc Alloy
60.0(2)63.00.81.4Rem0.259.011.00.50inactive
05/72
C78600
Copper Nickel Zinc Alloy
60.063.0(2)1.251.75Rem0.358.511.00.50inactive
05/72
C78800
Copper Nickel Zinc
63.067.0(2)1.52.0Rem0.259.011.00.50inactive
03/92
C7900063.0(1)(2)67.01.52.2Rem0.3511.0(3)13.00.50active
C7920059.0(1)(2)66.50.81.4Rem0.2511.013.0(3)0.50active
C79300
Copper Nickel Zinc
55.0(2)59.00.502.0Rem0.5011.013.00.50inactive
03/92
C7935059.063.0(1)(2)0.81.1Rem0.2523.0(3)26.00.500.40 Sn
0.6 Sn
active
C79400
Copper Nickel Zinc Alloy
59.066.5(2)0.81.2Rem0.316.519.50.50inactive
05/72
C79600
Leaded Nickel Silver, 10% Nickel Silver
43.546.5(1)(2)0.81.2Rem9.011.0(7)1.52.5active
C79620
Copper Nickel Zinc
46.048.0(2)0.502.0Rem8.011.00.50inactive
03/92
C7980045.548.5(2)(1)1.52.5Rem0.259.0(3)11.01.52.5active
C79810
Copper Nickel Zinc
46.048.0(2)2.03.5Rem8.011.00.50inactive
03/92
C79820
Copper Nickel Zinc
46.048.0(2)2.03.5Rem8.011.00.50inactive
02/81
C7983045.5(2)(1)47.01.02.5Rem0.459.0(3)10.50.150.55active
C7986042.343.7(8)(2)1.31.8Rem0.2011.8(3)12.75.66.40.10 Sn
0.005 P
0.06 Si
active
C79900
Copper Nickel Zinc
47.550.5(2)(1)1.01.5Rem0.36.58.5(3)0.50inactive
03/92

* = are alloys registered with the U.S. EPA as Antimicrobial.

(1) = Cu + Sum of Named Elements 99.5% min.
(2) = Cu value includes Ag.
(3) = Ni value includes Co.
(4) = Cu + Sum of Named Elements 99.7% min.
(5) = 0.05% Pb, max. for rod, wire, and tube.
(6) = Includes Ag.
(7) = Includes Co.
(8) = Cu + Sum of Named Elements 99.8% min.