ASTM B584-12a

Classification

Copper
Alloy
UNS
No.

Previous
Designation

Commercial Designation

Copper

Tin

Lead

Zinc

Nickel

Iron

Alum-
inum

Man-
ganese

Sili-
con

Nio-
bium

Bis-
muth

Leaded red brass

C83450

. . .

. . .

88

 2¹/₂ 

 2

 6¹/₂ 

1

. . .

. . .

. . .

. . .

. . .

. . .

C83600

B145-4A

85-5-5-5 or No. 1 composition

85

 5

 5

 5

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C83800

B145-4B

commercial red brass, 83-4-6-7

83

 4

 6

 7

. . .

. . .

. . .

. . .

. . .

. . .

. . .

Leaded semi-red brass

C84400

B145-5A

valve composition, 81-3-7-9

81

 3

 7

 9

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C84800

B145-5B

semi-red brass, 76-2¹/₂-6¹/₂-15

76

 2¹/₂ 

 6¹/₂ 

15

. . .

. . .

. . .

. . .

. . .

. . .

. . .

Leaded yellow brass

C85200

B146-6A

high-copper yellow brass

72

 1

 3

24

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C85400

B146-6B

commercial No. 1 yellow brass

67

 1

 3

29

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C85700

B146-6C

leaded naval brass

61

 1

 1

37

. . .

. . .

. . .

. . .

. . .

. . .

. . .

High-strength yellow brass

C86200

B147-8B

high-strength manganese bronze

63

. . .

. . .

27

. . .

3

4

3

. . .

. . .

. . .

C86300

B147-8C

high-strength manganese bronze

61

. . .

. . .

27

. . .

3

6

3

. . .

. . .

. . .

C86400

B147-7A

leaded manganese bronze

58

 1

 1

38

. . .

1

¹/₂ 

¹/₂ 

. . .

. . .

. . .

C86400

B 132-A

C86500

B147-8A

No. 1 manganese bronze

58

. . .

. . .

39

. . .

1

1

1

. . .

. . .

. . .

C86700

B 132-B

leaded manganese bronze

58

 1

 1

34

. . .

2

2

2

. . .

. . .

. . .

Silicon bronze + silicon brass

C87300

B198-12A

silicon bronze

95

. . .

. . .

. . .

. . .

. . .

. . .

1

4

. . .

. . .

C87400

B198-13A

silicon brass

82

. . .

¹/₂ 

14

. . .

. . .

. . .

. . .

3¹/₂ 

. . .

. . .

C87500

B198-13B

silicon brass

82

. . .

. . .

14

. . .

. . .

. . .

. . .

4

. . .

. . .

C87600

B198-13C

silicon bronze

91

. . .

. . .

 5

. . .

. . .

. . .

. . .

4

. . .

. . .

C87610

B198-12A

silicon bronze

92

. . .

. . .

 4

. . .

. . .

. . .

. . .

4

. . .

. . .

C87710

. . .

silicon bronze

86

. . .

. . .

10

. . .

. . .

. . .

. . .

4

. . .

. . .

C87845^A

. . .

silicon bronze

76

. . .

. . .

21.26

. . .

. . .

. . .

. . .

2.7

. . .

. . .

C87850^B

. . .

silicon brass

76

. . .

. . .

20.9

. . .

. . .

. . .

. . .

3

. . .

. . .

Bismuth selenium brass

C89510^C

. . .

sebiloy I

87

5

. . .

 5

. . .

. . .

. . .

. . .

. . .

. . .

1.0

C89520^D

. . .

sebiloy II

86

5¹/₂ 

. . .

 5

. . .

. . .

. . .

. . .

. . .

. . .

1.9

C89530^E

. . .

86.5

4.7

. . .

8.0

. . .

. . .

. . .

. . .

. . .

. . .

1.5

C89535

. . .

86.5

3.0

. . .

7.0

0.65

. . .

. . .

. . .

. . .

. . .

1.4

Bismuth brass

C89720^F

. . .

67.5

1

. . .

29.8

. . .

. . .

0.5

. . .

0.5

. . .

0.7

Bismuth red
brass

C89833

. . .

bismuth brass

89

5

. . .

3

. . .

. . .

. . .

. . .

. . .

. . .

2.2

Bismuth bronze

C89836

. . .

lead-free bronze

89.5

5.5

. . .

3.0

. . .

. . .

. . .

. . .

. . .

. . .

2

Bismuth semi-red brass

C89844

. . .

bismuth brass

84¹/₂ 

 4

. . .

 8

. . .

. . .

. . .

. . .

. . .

. . .

3

Tin bronze + leaded tin bronze

C90300

B143-1B

modified “G” bronze, 88-8-0-4

88

 8

. . .

 4

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C90500

B143-1A

“G” bronze, 88-10-0-2

88

10

. . .

 2

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C92200

B143-2A

steam or valve bronze-Navy “M”

88

 6

 1¹/₂ 

 4¹/₂ 

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C92210

. . .

. . .

88

 5

 2

 4

1

. . .

. . .

. . .

. . .

. . .

. . .

C92300

B143-2B

87-5-1-4, Navy PC

87

 8

 1

 4

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C92600

. . .

87-10-1-2

87

10

 1

 2

. . .

. . .

. . .

. . .

. . .

. . .

. . .

High-lead tin bronze

C93200

B144-3B

83-7-7-3

83

 7

 7

 3

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C93500

B144-3C

85-5-9-1

85

 5

 9

 1

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C93700

B144-3A

80-10-10

80

10

10

. . .

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C93800

B144-3D

78-7-15

78

 7

15

. . .

. . .

. . .

. . .

. . .

. . .

. . .

. . .

C94300

B144-3E

71-5-24

71

 5

24

. . .

. . .

. . .

. . .

. . .

. . .

. . .

. . .

Nickel-tin bronze + leaded nickel-tin bronze

C94700

B 292-A

nickel-tin bronze Grade “A”

88

 5

. . .

 2

5

. . .

. . .

. . .

. . .

. . .

. . .

C94800

B 292-B

leaded nickel-tin bronze Grade “B”

87

 5

 1

 2

5

. . .

. . .

. . .

. . .

. . .

. . .

C94900

. . .

leaded nickel-tin bronze Grade “C”

80

 5

 5

 5

5

. . .

. . .

. . .

. . .

. . .

. . .

Spinodal alloy

C96800

. . .

. . .

82

 8

. . .

. . .

10

. . .

. . .

. . .

. . .

0.2

. . .

Leaded nickel bronze

C97300

B149-10A

12 % leaded nickel silver

57

 2

 9

20

12

. . .

. . .

. . .

. . .

. . .

. . .

C97600

B149-11A

20 % leaded nickel silver

64

 4

 4

 8

20

. . .

. . .

. . .

. . .

. . .

. . .

C97800

B149-11B

25 % leaded nickel silver

66

 5

 2

 2

25

. . .

. . .

. . .

. . .

. . .

. . .

B176-18(2024)

Standard Specification for Copper-Alloy Die Castings

B148-24

Standard Specification for Aluminum-Bronze Sand Castings

B67-14(2022)

Standard Specification for Car and Tender Journal Bearings, Lined

B66-15(2021)

Standard Specification for Bronze Castings for Steam Locomotive Wearing Parts

B62-17(2025)

Standard Specification for Composition Bronze or Ounce Metal Castings

B61-15(2021)

Standard Specification for Steam or Valve Bronze Castings

B22/B22M-17(2025)

Standard Specification for Bronze Castings for Bridges and Turntables

B208-14(2021)

Standard Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous Castings

B846-24

Standard Terminology for Copper and Copper Alloys

B824-17(2025)

Standard Specification for General Requirements for Copper Alloy Castings

B806-23

Standard Specification for Copper Alloy Permanent Mold Castings for General Applications

B770-21

Standard Specification for Copper-Beryllium Alloy Sand Castings for General Applications

B763/B763M-23

Standard Specification for Copper Alloy Sand Castings for Valve Applications

B505/B505M-23

Standard Specification for Copper Alloy Continuous Castings

B427-21

Standard Specification for Gear Bronze Alloy Castings

E527-23

Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

E255-23

Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition

ASME Boiler and Pressure Vessel Code Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Two Park Ave., New York, NY 10016-5990, http://www.asme.org.

B369-09

Standard Specification for Copper-Nickel Alloy Castings

B271/B271M-23

Standard Specification for Copper-Base Alloy Centrifugal Castings