Cast Copper Alloys: Bronzes (C90000 - C95999)

Standard Designation for Cast Copper Alloys

  • C90000-C91999: Copper-Tin Alloys (Tin Bronzes)
  • C92000-C92900: Copper-Tin-Lead Alloys (Leaded Tin Bronzes)
  • C93000-C94500: Copper-Tin-Lead Alloys (High-Leaded Tin Bronzes)
  • C94600-C94999: Copper-Tin-Nickel Alloys (Nickel-Tin Bronzes)
  • C95000-C95999: Copper-Aluminum-Iron and Copper-Aluminum-Iron-Nickel Alloys (Aluminium Bronzes)

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Bronzes (C90000 - C95999)

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

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UNS # Cu Pb Sn Zn Fe P Ni Al Mg Mn S Sb Si Other Named Elements Status
Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max%
C9020091.0(1)(2)94.00.306.08.00.500.200.05(3)0.50(4)0.0050.050.200.005active
C90250
Tin Bronze
89.091.00.309.011.00.500.250.052.00.0050.200.050.020.005inactive
03/92
C90280*87.090.0(5).099.011.0.30.6.05.30.6active
C90300
Tin Bronze
86.089.0(1)(2)0.307.59.03.05.00.200.05(3)1.0(4)0.0050.050.200.005active
C90400*
Tin Bronze
86.0(6)89.00.097.58.51.05.00.400.051.00.0050.010.100.650.020.0050.10 B
0.10 Zr
active
C90410*
Tin Bronze
86.089.0(6)0.097.58.51.05.00.400.051.00.0050.010.200.100.650.020.0050.10 B
0.10 Zr
active
C90420*
Tin Bronze
86.0(6)89.00.097.58.51.05.00.400.051.00.200.100.650.020.10 B
0.10 C
0.10 Ti
0.10 Zr
active
C90430*
Low-Lead Tin Bronze
86.0(6)89.00.097.58.51.05.00.400.051.00.200.100.650.101.50.10 B
0.10 C
0.10 Ti
0.10 Zr
active
C90500
Gun Metal
86.089.0(7)(1)0.309.011.01.03.00.200.05(3)1.0(4)0.0050.050.200.005active
C90700
Tin Bronze, 65
88.090.0(2)(1)0.5010.012.00.500.150.30(3)0.50(4)0.0050.050.200.005active
C90710Rem(1)(2)0.2510.012.00.050.100.05(3)1.20.10(4)0.0050.050.200.005active
C90800
Tin Bronze
85.089.0(2)(1)0.2511.013.00.250.150.30(3)0.50(4)0.0050.050.200.005active
C90810Rem(2)(1)0.2511.013.00.300.150.150.8(3)0.50(4)0.0050.050.200.005active
C9090086.0(1)(2)89.00.2512.014.00.250.150.05(3)0.50(4)0.0050.050.200.005active
C9100084.0(2)(1)86.00.2014.016.01.50.100.05(3)0.8(4)0.0050.050.200.005active
C9110082.0(1)(2)85.00.2515.017.00.250.251.0(3)0.50(4)0.0050.050.200.005active
C9130079.0(2)(1)82.00.2518.020.00.250.251.0(3)0.50(4)0.0050.050.200.005active
C91500
Copper Tin Alloy
Rem2.03.29.011.00.502.84.0inactive
01/73
C9160086.089.0(2)(1)0.259.710.80.250.200.30(3)1.22.0(4)0.0050.050.200.005active
C91700
Nickel Gear Bronze
84.0(2)(1)87.00.2511.312.50.250.200.30(3)1.2(4)2.00.0050.050.200.005active
C92200
Navy M Bronze
86.0(1)(6)90.01.02.05.56.53.05.00.250.05(3)1.0(4)0.0050.050.250.005active
C9221086.089.0(1)(6)1.72.54.55.53.04.50.250.03(3)0.71.0(4)0.0050.050.200.005active
C92220(6)86.0(1)88.01.52.55.06.03.05.50.250.05(3)0.50(4)1.0active
C92300
Leaded Tin Bronze
85.0(6)(1)89.00.301.07.59.02.55.00.250.05(3)1.0(4)0.0050.050.250.005active
C92310Rem(6)(1)0.301.57.58.53.54.51.0(4)0.0050.030.005active
C9240086.0(1)(6)89.01.02.59.011.01.03.00.250.05(3)1.0(4)0.0050.050.250.005active
C92410Rem(1)(6)2.53.56.08.01.53.00.200.20(4)0.0050.050.250.005active
C9250085.088.0(6)(1)1.01.510.012.00.500.300.30(3)0.81.5(4)0.0050.050.250.005active
C92600(6)86.0(1)88.50.81.59.310.51.32.50.200.03(3)0.7(4)0.0050.050.250.005active
C92610Rem(1)(6)0.301.59.510.51.72.80.151.0(4)0.0050.030.005active
C92700
Leaded Tin Bronze
86.089.0(6)(1)1.02.59.011.00.70.200.25(3)1.0(4)0.0050.050.250.005active
C92710Rem(6)(1)4.06.09.011.01.00.200.10(3)2.0(4)0.0050.050.250.005active
C9280078.0(6)(1)82.04.06.015.017.00.80.200.05(3)0.8(4)0.0050.050.250.005active
C9281078.082.0(1)(6)4.06.012.014.00.500.500.05(3)0.81.2(4)0.0050.050.250.005active
C9290082.086.0(6)(1)2.03.29.011.00.250.200.50(3)2.84.0(4)0.0050.050.250.005active
C93100Rem(8)(1)2.05.06.58.52.00.250.30(3)1.0(4)0.0050.050.250.005active
C9320081.085.0(8)(1)6.08.06.37.51.04.00.200.15(3)1.0(4)0.0050.080.350.005active
C9340082.0(1)(8)85.07.09.07.09.00.80.200.50(3)1.0(4)0.0050.080.500.005active
C9350083.0(1)(8)86.08.010.04.36.02.00.200.05(3)1.0(4)0.0050.080.300.005active
C9360079.083.0(6)11.013.06.08.01.00.200.15(3)1.0(4)0.0050.080.550.005active
C93700
Bearing Bronze
78.0(8)82.08.011.09.011.00.80.7(9)0.10(3)0.50(4)0.0050.080.500.005active
C9372083.0(8)7.09.03.54.54.00.70.10(3)0.50(4)0.50active
C93800
Anti-acid Metal
75.0(8)79.013.016.06.37.50.80.150.05(3)1.0(4)0.0050.080.80.005active
C93900
79-6-15
76.579.5(10)14.018.05.07.01.50.401.5(3)0.8(4)0.0050.080.500.005active
C9400069.072.0(11)14.016.012.014.00.500.250.05(3)0.501.0(4)0.0050.08(12)0.500.005active
C9410072.0(11)79.018.022.04.56.51.00.250.50(3)1.0(4)0.0050.08(12)0.80.005active
C94200
Cast High-Leaded Tin Bronze
68.575.53.04.03.04.03.00.350.500.50inactive
03/92
C94300
Soft Bronze
67.072.0(8)23.027.04.56.00.80.150.08(3)1.0(4)0.0050.08(12)0.80.005active
C94310Rem(8)27.034.01.53.00.500.500.05(3)0.25(4)1.00.50active
C94320Rem(8)24.032.04.07.00.35active
C9433068.5(8)75.521.025.03.04.03.00.70.10(3)0.50(4)0.50active
C94400Rem(8)9.012.07.09.00.80.150.50(3)1.0(4)0.0050.080.80.005active
C94500Rem(8)16.022.06.08.01.20.150.05(3)1.0(4)0.0050.080.80.005active
C94700*
Cast Nickel-Tin Bronze
85.090.0(11)0.09(13)4.56.01.02.50.250.054.5(4)6.00.0050.200.050.150.005active
C9480084.0(11)89.00.301.04.56.01.02.50.250.054.56.0(4)0.0050.200.050.150.005active
C9490079.0(2)81.04.06.04.06.04.06.00.300.054.06.0(4)0.0050.100.080.250.005active
C95200*86.0(8)2.54.08.59.5active
C95210*86.0(8)0.050.100.502.54.01.0(4)8.59.50.051.00.25active
C95220*Rem(5)2.54.02.5(4)9.510.50.50active
C95300*86.0(8)0.81.59.011.0active
C95400*83.0(5)3.05.01.5(4)10.011.50.50active
C95410*83.0(5)3.05.01.52.5(4)10.011.50.50active
C95420*83.5(5)3.04.30.50(4)10.512.00.50active
C95430*
Copper Aluminum Iron Alloy
Rem0.5010.512.00.50inactive
03/92
C95500*78.0(5)3.05.03.05.5(4)10.011.53.5active
C95510*78.0(14)0.200.302.03.54.55.5(4)9.710.91.5active
C95520*74.5(5)0.030.250.304.05.54.26.0(4)10.511.51.50.150.20 Co
0.05 Cr
active
C95600*88.0(8)0.25(4)6.08.01.83.2active
C95700*71.0(5)2.04.01.5(4)3.07.08.511.014.00.10active
C95710*71.0(5)0.051.00.502.04.00.051.5(4)3.07.08.511.014.00.15active
C95720*
Copper Aluminum Iron Alloy
73.0(5)0.030.100.101.53.53.0(4)6.06.08.012.015.00.100.09 Cr
active
C95800*79.0(5)0.033.5(15)4.54.05.0(15)8.59.50.81.50.10active
C95810*
Cast Aluminum Bronze
79.0(5)0.090.503.5(15)4.54.0(15)5.08.59.50.050.81.50.10active
C95820*77.5(16)0.020.200.204.05.04.55.8(4)9.010.01.50.10active
C95900*Rem(5)3.05.00.50(4)12.013.51.5active

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

(1) = In determining Cu min., Cu may be calculated as Cu + Ni.
(2) = Cu + Sum of Named Elements 99.4% min.
(3) = For continuous castings P shall be 1.5% max.
(4) = Ni value includes Co.
(5) = Cu + Sum of Named Elements 99.5% min.
(6) = Cu + Sum of Named Elements 99.3% min.
(7) = Cu + Sum of Named Elements 99.7% min.
(8) = Cu + Sum of Named Elements 99.0% min.
(9) = Fe shall be 0.35% max. when used for steel-backed bearings
(10) = Cu + Sum of Named Elements 98.9% min.
(11) = Cu + Sum of Named Elements 98.7% min.
(12) = For continuous castings S shall be 0.25% max.
(13) = The mechanical properties of C94700 (heat treated) may not be attainable if the Pb content exceeds 0.01%.
(14) = Cu + Sum of Named Elements 99.8% min.
(15) = Fe content shall not exceed Ni content.
(16) = Cu + Sum of Named Elements 99.2% min.