ASTM B763-13

    Standard Specification for Copper Alloy Sand Castings for Valve Applications

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    1. Scope

    1.1 This specification establishes requirements for copper alloy sand castings for valve applications. Nominal compositions of the alloys defined by this specification are shown in Table 1.2

    TABLE 1 Nominal Compositions

    Classification

    Copper Alloy UNS No.

    Commercial Designation

    Copper

    Tin

    Lead

    Zinc

    Nickel

    Iron

    Alumi-
     num

    Man-
    ganese

    Sili-
     con

    Bismuth

    Selenium

    Leaded red brass

    C83450

     

    88

    21/2 

    2

    61/2 

    1

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

     

    C83800

    83-4-6-7 or commercial red brass

    83

    4

    6

    7

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    Leaded semi-red brass

    C84400

    81-3-7-9 or valve composition

    81

    3

    7

    9

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

     

    C84800

    76-21/2-61/2-15, or semi-red brass

    76

    21/2 

    61/2 

    15

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    Leaded yellow brass

    C85200

    high-copper yellow brass

    72

    1

    3

    24

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

     

    C85400

    commercial No. 1 yellow brass

    67

    1

    3

    29

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

     

    C85700

    leaded naval brass

    61

    1

    1

    37

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    High-strength yellow brass

    C86200

    high-strength manganese bronze

    63

    . . .

    . . .

    27

    . . .

    3

    4

    3

    . . .

    . . .

    . . .

     

    C86300

    high-strength manganese bronze

    61

    . . .

    . . .

    27

    . . .

    3

    6

    3

    . . .

    . . .

    . . .

     

    C86400

    leaded manganese bronze

    58

    1

    1

    38

    . . .

    1

    1/2 

    1/2 

    . . .

    . . .

    . . .

     

    C86500

    No. 1 manganese bronze

    58

    . . .

    . . .

    39

    . . .

    1

    1

    1

    . . .

    . . .

    . . .

     

    C86700

    leaded manganese bronze

    58

    1

    1

    34

    . . .

    2

    2

    2

    . . .

    . . .

    . . .

    Silicon bronze and silicon

    C87300

    silicon bronze

    95

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    1

    4

    . . .

    . . .

     brass

    C87400

    silicon brass

    82

    . . .

    1/2 

    14

    . . .

    . . .

    . . .

    . . .

    31/2 

    . . .

    . . .

     

    C87500

    silicon brass

    82

    . . .

    . . .

    14

    . . .

    . . .

    . . .

    . . .

    4

    . . .

    . . .

     

    C87600

    silicon bronze

    89

    . . .

    . . .

    6

    . . .

    . . .

    . . .

    . . .

    5

    . . .

    . . .

     

    C87610

    silicon bronze

    92

    . . .

    . . .

    4

    . . .

    . . .

    . . .

    . . .

    4

    . . .

    . . .

     

    C89530

    Bismuth-Selenium

    86.5

    4.7

    . . .

    8.0

    . . .

    . . .

    . . .

    . . .

    . . .

    1.5

    .20

     

    C89535

    Bismuth

    86.5

    3.0

    . . .

    7.0

    .65

    . . .

    . . .

    . . .

    . . .

    1.4

    . . .

    Bismuth brass

    C89720A

     

    67.5

    1

    . . .

    29.8

    . . .

    . . .

    0.5

    . . .

    0.5

    0.7

    . . .

    Bismuth semi-red brass

    C89844

    bismuth brass

    841/2 

    4

    . . .

    8

    . . .

    . . .

    . . .

    . . .

    . . .

    3

    . . .

    Tin bronze and leaded tin

    C90300

    88-8-0-4, or modified “G” bronze

    88

    8

    . . .

    4

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

    . . .

     bronze

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    C90500

    88-10-0-2, on “G” bronze

    88

    10

    . . .

    B61 Specification for Steam or Valve Bronze Castings

    B62 Specification for Composition Bronze or Ounce Metal Castings

    B208 Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous Castings

    B369 Specification for Copper-Nickel Alloy Castings

    B824 Specification for General Requirements for Copper Alloy Castings

    E10 Test Method for Brinell Hardness of Metallic Materials

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)


    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    UNSPSC Code

    UNSPSC Code 40141600(Valves); 31101610(Copper sand casting)


    DOI: 10.1520/B0763-13

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