Wrought Copper Alloys: Brasses (C20000 - C49999)

Standard Designation for Wrought Copper Alloys

  • C20000-C29999: Copper-Zinc Alloys (Yellow Brasses)
  • C30000-C39999: Copper-Zinc-Lead Alloys (Leaded Brasses)
  • C40000-C49999: Copper-Zinc-Tin Alloys (Tin Brasses)

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Brasses (C20000 - C49999)

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

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UNS # Cu Pb Sn Zn Fe P Other Named Elements Status
Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max% Min%Max%
C20000
Common Brasses
inactive
12/98
C20500*
Brass
97.098.00.02Rem0.05inactive
03/92
C21000*
Gilding, 95%
94.096.0(1)0.05Rem0.05active
C22000*
Commercial Bronze, 90%
89.091.0(1)0.05Rem0.05active
C22600*
Jewelry Bronze, 87-1/2%
86.089.0(1)0.05Rem0.05active
C23000*
Red Brass, 85%
84.086.0(1)0.05Rem0.05active
C23030*83.5(1)85.50.05Rem0.050.20 Si
0.40 Si
active
C23400*81.084.0(1)0.05Rem0.05active
C24000*
Low Brass, 80%
78.5(1)81.50.05Rem0.05active
C2408078.0(1)82.00.20Rem0.10 Al
active
C25000*
Brass
74.076.00.05Rem0.05inactive
03/92
C25600*71.073.0(2)0.05Rem0.05active
C26000*
Cartridge Brass, 70%
68.5(2)71.50.07Rem0.05active
C26100*
Brass
68.571.5(2)0.05Rem0.050.020.050.02 As
0.06 As
inactive
03/92
C26130*68.571.5(2)0.05Rem0.050.02 As
0.08 As
active
C26200*67.070.0(2)0.07Rem0.05active
C26380
Brass
68.072.00.30Rem0.050.10 Ag
inactive
03/92
C26800*
Yellow Brass, 66%
64.068.5(2)0.09Rem0.05active
C27000*
Yellow Brass, 65%
63.068.5(2)0.09Rem0.07active
C27200*
Yellow Brass
62.065.0(2)0.07Rem0.07active
C27400*
Yellow Brass, 63%
61.064.0(2)0.09Rem0.05active
C27450
Yellow Brass
60.0(3)65.00.25Rem0.35active
C27451
Yellow Brass Yellow Brass
61.065.0(3)0.25Rem0.350.050.20active
C27453
Copper Zinc Alloy
61.5(3)63.50.250.15Rem0.150.02 As
0.15 As
active
C2746060.0(3)62.00.250.150.35Rem0.100.150.250.20 Ni
0.080 Al
0.060 Si
0.35 Ni
0.16 Al
0.090 Si
active
C28000*
Muntz Metal, 60%
59.063.0(2)0.09Rem0.07active
C28200
Copper Zinc Alloy
58.061.00.03Rem0.050.120.220.005 Al
0.05 Si
inactive
02/73
C28300*
Yellow Brass
58.0(4)62.00.0931.041.00.350.10 S
0.20 B
0.01 Mn
0.65 S
0.20 Zr
active
C28310*
Yellow Brass
58.0(4)62.00.0931.041.00.350.01 Mn
0.10 S
0.20 B
0.20 Mn
0.65 S
0.20 Zr
active
C28320*
Yellow Brass
58.062.0(4)0.0931.041.00.350.10 S
0.20 B
0.10 C
0.20 Mn
0.65 S
0.30 Ti
0.20 Zr
active
C28330*
Low-Lead Yellow Brass
58.062.0(4)0.0931.039.00.350.10 Sb
0.10 B
0.10 C
0.20 Mn
0.25 S
1.5 Sb
0.10 Ti
0.10 Zr
active
C2834061.0(3)62.0.17.25.30.40Rem(5).12.07 As
.65 Bi
.20 Ni
.17 As(6)
.75 Bi
.04 Cd
.02 Cr
.05 Mn
.05 Sb
.05 Si
active
C28500
Copper-Zinc- Alloy Brass
57.059.0(7)0.25Rem0.35active
C28580
Brass
49.052.00.50Rem0.100.10 Al
inactive
03/92
C29800
Copper Zinc Alloy
49.052.00.50Rem0.100.10 Al
inactive
07/74
C31000
Copper Zinc Lead Alloy
89.091.00.300.7Rem0.10inactive
07/74
C3120087.590.5(8)0.71.2Rem0.100.25 Ni
active
C31400
Leaded Commercial Bronze
87.590.5(8)1.32.5Rem0.100.7 Ni
active
C31600
Leaded Commercial Bronze (Nickel-Bearing)
87.590.5(8)1.32.5Rem0.100.040.100.7 Ni
1.2 Ni
active
C32000
Leaded Red Brass
83.5(8)86.51.52.2Rem0.100.25 Ni
active
C32500
Copper Zinc Lead Alloy
72.074.52.53.0Rem0.10inactive
07/74
C32510
Leaded Brass
69.072.00.300.7Rem0.02 As
0.06 As
inactive
03/92
C33000
Low Leaded Brass (Tube)
65.068.0(8)0.250.7Rem0.07active
C33100
Leaded Brass
65.068.00.81.5Rem0.06inactive
03/92
C33200
High Leaded Brass (Tube)
65.068.0(8)1.52.5Rem0.07active
C33500
Low-Leaded Brass
62.0(8)65.00.250.7Rem0.15(9)active
C33530
Leaded Brass
62.566.50.300.8Rem0.100.02 As
0.06 As
inactive
03/92
C34000
Medium Leaded Brass, 64-1/2%
62.0(8)65.00.81.5Rem0.15(9)active
C34200
High Leaded Brass, 64-1/2%
62.0(8)65.01.52.5Rem0.15(9)active
C34400
Leaded Brass
62.066.00.501.0Rem0.10inactive
02/81
C3450062.0(8)65.01.52.5Rem0.15active
C34700
Leaded Brass
62.564.51.01.8Rem0.10inactive
02/81
C34800
Leaded Brass
61.563.50.400.8Rem0.10inactive
02/81
C34900
Leaded Brass
61.064.00.100.50Rem0.10inactive
02/82
C35000
Medium Leaded Brass, 62%
60.0(8)(10)63.00.82.0Rem0.15(9)active
C35300
High Leaded Brass, 62%
60.0(3)(10)63.01.52.5Rem0.15(9)active
C35330
DZR Brass
59.564.0(3)1.53.5(11)Rem0.02 As
0.25 As
active
C35340
Leaded Brass
60.063.01.52.5Rem0.100.30inactive
03/92
C35350
Leaded Brass
61.0(3)63.02.04.50.30Rem0.400.050.200.05 Ni
0.30 Ni
active
C35600
Extra High Leaded Brass
60.0(3)63.02.03.0Rem0.15(9)active
C36000
Free-Cutting Brass
60.063.0(3)2.53.0Rem0.35active
C36010
Leaded Brass Free-Cutting Brass
60.063.0(3)3.13.7Rem0.35active
C36200
Leaded Brass
60.063.03.54.5Rem0.15inactive
03/92
C36300
Copper-Zinc-Lead Alloy
61.063.0(3)0.250.7Rem0.150.040.15active
C36500
Leaded Muntz Metal, Uninhibited
58.0(8)61.00.250.70.25Rem0.15active
C36600
Leaded Muntz Metal, Arsinical
58.061.00.250.70.25Rem0.150.02 As
0.06 As
inactive
03/92
C36700
Leaded Muntz Metal, Antimonial
58.061.00.250.70.25Rem0.150.02 Sb
0.10 Sb
inactive
03/92
C36800
Leaded Brass
58.061.00.250.70.25Rem0.150.020.10inactive
03/92
C37000
Free-Cutting Muntz Metal
59.062.0(8)0.81.5Rem0.15active
C3710058.062.0(8)0.61.2Rem0.15active
C37700
Forging Brass
58.0(3)61.01.52.5Rem0.30active
C3771056.5(3)60.01.03.0Rem0.30active
C37800
Leaded Brass
56.059.01.52.5Rem0.30inactive
03/92
C38000
Architectural Bronze, Low Leaded
55.060.0(3)1.52.50.30Rem0.350.50 Al
active
C38010
Leaded Brass
55.060.01.53.0Rem0.300.10 Al
0.6 Al
inactive
03/92
C38500
Architectural Bronze
55.0(3)59.02.53.5Rem0.35active
C38510
Leaded Brass
56.060.02.54.5Reminactive
03/92
C38590
Leaded Brass
56.560.02.03.5Rem0.35inactive
03/92
C38600
Leaded Brass
56.059.02.53.5Rem0.350.02 Sb
inactive
02/82
C40400*Rem(2)0.350.72.03.0active
C40410*
Copper-Zinc-Tin Alloy
95.099.0(2)0.050.10.40Rem0.05active
C40500*
Penny Bronze
94.0(2)96.00.050.71.3Rem0.05active
C40800*
Silicon Brass
94.096.00.051.82.2Rem0.05inactive
03/92
C40810*94.5(2)96.50.051.82.2Rem0.080.120.0280.040.11 Ni
0.20 Ni
active
C40820*94.0(3)0.021.02.50.202.50.050.10 Ni
0.50 Ni
active
C40850*94.5(2)96.50.052.64.0Rem0.050.200.010.200.05 Ni
0.20 Ni
active
C40860*94.0(2)96.00.051.72.3Rem0.010.050.020.040.05 Ni
0.20 Ni
active
C40900
Copper Zinc Tin Alloy
92.094.00.050.500.8Rem0.05inactive
07/74
C40950*91.5(2)94.5.05.30.8Rem.03.01.08.30 Ni(12)
.8 Ni
active
C41000*91.0(2)93.00.052.02.8Rem0.05active
C41100*
Tin Brass
89.092.0(2)0.090.300.7Rem0.05active
C41110*
Copper Zinc Tin Alloy
90.094.0(2)0.050.100.50Rem0.05active
C41120*89.092.0(2)0.050.300.7Rem0.050.200.010.350.05 Ni
0.20 Ni
active
C41125*86.5(3)90.5.05.50.9Rem.03.06.8 Ni
active
C41300*
Tin Brass
89.0(2)93.00.090.71.3Rem0.05active
C41500*
Tin Brass
89.093.0(2)0.091.52.2Rem0.05active
C41900
Tin Brass
89.092.00.104.55.5Rem0.05inactive
07/74
C42000*88.0(2)91.01.52.0Rem0.25active
C42100*
Tin Brass
87.589.00.052.23.0Rem0.050.350.15 Mn
0.35 Mn
inactive
03/92
C42200*86.0(2)89.00.050.81.4Rem0.050.35active
C42210*
Tin Brass
86.089.0(2)(13)0.011.11.6Rem0.0350.0010.0100.5 Ni(14)
0.005 Te(15)
0.005 Se(15)
active
C42220*88.0(2)91.00.050.71.4Rem0.050.200.020.050.05 Ni
0.20 Ni
active
C42230
BW33520
87.0(3)91.00.010.401.5Rem0.050.30 Co
0.05 Si
1.5 Co
0.05 Mn
0.30 Si
active
C42500*87.090.0(2)0.051.53.0Rem0.050.35active
C42510inactive
12/98
C42520*88.0(2)91.00.051.53.0Rem0.050.200.010.200.05 Ni
0.20 Ni
active
C42600*87.090.0(13)(2)0.052.54.0Rem0.050.200.010.200.05 Ni
0.20 Ni(12)
active
C43000*
Tin Brass
84.087.0(2)0.091.72.7Rem0.05active
C43200
Tin Brass
85.088.00.350.400.6Rem0.050.35inactive
03/92
C43400*84.087.0(2)0.050.401.0Rem0.05active
C43500*
Tin Brass
79.083.0(2)0.090.61.2Rem0.05active
C43600*80.0(2)83.00.050.200.50Rem0.05active
C43800*
Copper Zinc Tin Alloy
79.082.00.051.01.5Rem0.05inactive
07/74
C44200*
Copper Zinc Tin Alloy
70.073.00.070.81.2Rem0.06inactive
05/71
C44250*73.0(8)76.00.070.501.5Rem0.200.100.20 Ni
active
C44300*
Admiralty, Arsenical
70.073.0(8)0.070.81.2(16)Rem0.060.02 As
0.06 As
active
C44400*
Admiralty, Antimonial
70.073.0(8)0.070.8(16)1.2Rem0.060.02 Sb
0.10 Sb
active
C44500*
Admiralty, Phosphorized
70.0(8)73.00.070.81.2(16)Rem0.060.020.10active
C4471065.5(2)71.50.050.200.8Rem0.030.0050.051.5 Ni
2.5 Ni
active
C44730Rem(3).05.501.527.031.0.6.05.8 Ni(12)
.10 Si
2.5 Ni
.7 Cr
.40 Mg
.40 Mn
.6 Si
.40 Zr
active
C44750*
Tin Brass
Rem(8)0.050.303.027.031.50.101.5active
C45450*
Tin Brass
65.066.00.100.30Rem0.100.300.20 Al
0.40 Al
inactive
03/92
C45470*
Copper-Zinc-Tin Aluminum Alloy
64.069.0(3).090.60.9Rem0.30 Al
0.8 Al
active
C46200
Naval Brass, 63-1/2%
62.065.0(8)0.200.501.0Rem0.10active
C46210*
Tin Brass
61.064.00.051.0Rem0.03 Al
0.50 Si
inactive
03/92
C46250*
HONLUX 01
62.065.0(17)(3).09.501.037.0.10.05.15.05 Mg
.20 Mg
active
C46400
Naval Brass, Uninhibited
59.0(8)62.00.200.501.0Rem0.10active
C46420
Tin Brass
61.063.50.201.01.4Rem0.20inactive
03/92
C46500
Naval Brass, Arsenical
59.0(8)62.00.200.501.0Rem0.100.02 As
0.06 As
active
C46600
Tin Brass
59.062.00.200.501.0Rem0.100.02 Sb
0.10 Sb
inactive
03/92
C46700
Tin Brass
59.062.00.200.501.0Rem0.100.020.10inactive
03/92
C4675059.2(3)62.5.251.001.80Rem.10.05.15.05 Sb
.50 Ni(12)
.15 Sb
active
C47000
Naval Brass Welding and Brazing Rod
57.0(8)61.00.050.251.0Rem0.01 Al
active
C47200
Copper Zinc Tin Alloy
49.052.00.503.04.0Rem0.10inactive
07/74
C47600
Tin Brass
86.088.01.82.21.82.2Rem0.050.030.070.05 Mn
0.15 Mn
inactive
03/92
C4794063.0(8)66.01.02.01.22.0Rem0.101.00.10 Ni(12)
0.50 Ni
active
C48200
Naval Brass, Medium Leaded
59.0(8)62.00.401.00.501.0Rem0.10active
C48500
Naval Brass, High Leaded
59.0(8)62.01.32.20.501.0Rem0.10active
C48510
Tin Brass
59.062.01.02.50.71.5Rem0.02 As
0.25 As
inactive
02/81
C48600
DZR Brass
59.062.0(8)1.02.50.301.5Rem0.02 As
0.25 As
active
C48650
Replaced by C48600
inactive
02/81
C49080
Tin Brass
49.052.00.503.04.0Rem0.10 Al
inactive
03/92
C49250*
Copper-Zinc-Bismuth Copper-Zinc-Bismuth
58.061.0(3)0.090.30Rem0.501.8 Bi
2.4 Bi
0.001 Cd
active
C49255
Copper-Zinc-Bismuth
58.0(3)60.00.010.50Rem0.100.100.10 Ni
1.7 Bi
0.02 Se
0.30 Ni(12)
2.9 Bi
0.01 Cd
0.10 Si
0.07 Se
active
C49260*
GEM Brass
58.063.0(3)0.090.50Rem0.500.050.150.50 Bi
1.8 Bi
0.001 Cd
0.10 Si
active
C49265
Low Leaded GEM Brass
58.0(13)(3)62.00.090.250.50Rem0.300.050.120.50 Bi
1.3 Bi
0.001 Cd
0.10 Si
active
C49300*
Lead-Free Bismuth Alloy Lead-Free
58.0(3)62.00.011.01.8Rem0.100.200.50 Bi
1.5 Ni(12)
0.50 Al
2.0 Bi
0.03 Mn
0.50 Sb
0.10 Si
0.20 Se
active
C49340*
GEM Brass
60.063.0(3)(13)0.090.501.5Rem0.120.050.150.50 Bi
2.2 Bi
0.001 Cd
0.10 Si
active
C49345
Low Leaded GEM Brass
60.064.0(3)(13)0.090.250.501.5Rem0.300.050.120.50 Bi
1.3 Bi
0.001 Cd
0.10 Si
active
C49350*
Bismuth Brass Alloy
61.0(3)63.00.091.53.0Rem0.120.040.150.50 Bi
0.02 Sb
2.5 Bi
0.10 Sb
0.30 Si
active
C49355*
Copper Zinc Bismuth Alloy
63.0(3)69.00.090.502.027.035.00.100.50 Bi
1.0 Si
0.001 B
1.5 Bi
0.10 Mn
2.0 Si
active
C49360*
Tin-Eco(bismuth)
Rem(3)0.091.02.019.022.00.50 Bi
2.0 Si
1.5 Bi
3.5 Si
active

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

(1) = Cu + Sum of Named Elements 99.8% min.
(2) = Cu + Sum of Named Elements 99.7% min.
(3) = Cu + Sum of Named Elements 99.5% min.
(4) = Cu + Sum of Named Elements 99.3% min.
(5) = For optimum DZR properties , Zn should not exceed 38%.
(6) = P may be substituted for As.
(7) = Cu + Sum of Named Elements 99.1% min.
(8) = Cu + Sum of Named Elements 99.6% min.
(9) = For flat products, the iron shall be 0.10% max.
(10) = Cu, 61.0% min. for rod.
(11) = Pb may be reduced to 1.0% by agreement.
(12) = Ni value includes Co.
(13) = Cu value includes Ag.
(14) = Includes Co.
(15) = Te + Se 0.006% max.
(16) = For tubular products, the minimum Sn content may be 0.9%.
(17) = Includes Lanthanum 0.01-0.08