ASTM B763-04

Standard Specification for Copper Alloy Sand Castings for Valve Applications

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 . Note 1
This specification does not cover Copper Alloy UNS Nos. C83600, C92200, C96200, and C96400. These alloys are also used in valve applications. They are covered by the following specifications: C83600: B 62C92200: B 61C96200: B 369C96400: B 369
1.2 The castings produced under this specification are used in products which may be manufactured in advance and supplied for sale from stock by the manufacturer.
1.3 UnitsValues stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.

General Information

• Status: Historical
• Publication Date: 30-Sep-2004
• ICS: 77.150.30 - Copper products
• Technical Committee: B05 - Copper and Copper Alloys
• Drafting Committee: B05.05 - Castings and Ingots for Remelting

Relations

• Replaces: ASTM B763-98 - Standard Specification for Copper Alloy Sand Castings for Valve Application
• Effective Date: 01-Oct-2004
• Replaced By: ASTM B763-08 - Standard Specification for Copper Alloy Sand Castings for Valve Applications
• Effective Date: 01-Apr-2008

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: B 763 – 04
Standard Specification for
1
Copper Alloy Sand Castings for Valve Applications
This standard is issued under the fixed designation B 763; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* B 369 Specification for Copper-Nickel Alloy Castings
B 824 Specification for General Requirements for Copper
1.1 This specification establishes requirements for copper
Alloy Castings
alloy sand castings for valve applications. Nominal composi-
E 10 Test Method for Brinell Hardness of Metallic Materi-
tions of the alloys defined by this specification are shown in
2
als
Table 1.
E 527 Practice for Numbering Metals and Alloys (UNS)
NOTE 1—This specification does not cover Copper Alloy UNS Nos.
C83600, C92200, C96200, and C96400. These alloys are also used in
3. General Requirements
valve applications. They are covered by the following specifications:
3.1 The following sections of Specification B 824 form a
part of this specification.
C83600: B 62
3.1.1 Terminology,
C92200: B 61
C96200: B 369
3.1.2 Other Requirements,
C96400: B 369
3.1.3 Dimensions, Mass, and Permissible Variations,
3.1.4 Workmanship, Finish, and Appearance,
3.1.5 Sampling,
1.2 The castings produced under this specification are used
3.1.6 Number of Tests and Retests,
in products which may be manufactured in advance and
3.1.7 Specimen Preparation,
supplied for sale from stock by the manufacturer.
3.1.8 Test Methods,
1.3 Units—Values stated in inch-pound units are to be
3.1.9 Significance of Numerical Limits,
regarded as standard. The values given in parentheses are
mathematical conversions to SI units, which are provided for 3.1.10 Inspection,
3.1.11 Rejection and Rehearing,
information only and are not considered standard.
3.1.12 Certification,
2. Referenced Documents
3.1.13 Test Report,
3
3.1.14 Product Marking,
2.1 ASTM Standards:
B 61 Specification for Steam or Valve Bronze Castings 3.1.15 Packaging and Package Marking, and
3.1.16 Supplementary Requirements.
B 62 Specification for Composition Bronze or Ounce Metal
Castings
4. Ordering Information
B 208 Practice for Preparing Tension Test Specimens for
4.1 Include the following information when placing orders
Copper Alloy Sand, Permanent Mold, Centrifugal, and
for product under this specification, as applicable:
Continuous Castings
4.1.1 Specification title, number, and year of approval,
4.1.2 Quantity of castings,
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
4.1.3 Copper Alloy UNS Number and temper (as-cast,
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on
heat-treated, etc.),
Castings and Ingots for Remelting.
4.1.4 Pattern or drawing number and condition (as-cast,
Current edition approved Oct. 1, 2004. Published October 2004. Originally
approved in 1986. Last previous edition approved in 1998 as B 763 – 98.
machined, etc.),
2
The UNS system for copper and copper alloys (see Practice E 527) is a simple
4.1.5 When castings are purchased for agencies of the U.S.
expansion of the former standard designation system accomplished by the addition
Government, the Supplementary Requirements of Specifica-
of a prefix “C” and a suffix “00”. The suffix can be used to accommodate
tion B 824 may be specified.
composition variations of the base alloy.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4.2 The following requirements are optional and should be
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
specified in the purchase order when required.
Standards volume information, refer to the standard’s Document Summary page on
4.2.1 Chemical analysis of residual elements (6.3),
the ASTM website.
*ASummary of Changes section appears at the end of this standard.
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B763–04
TABLE 1 Nominal Compositions
Alumi- Man- Sili-
Classification Copper Alloy UNS No. Commercial Designation Copper Tin Lead Zinc Nickel Iron Bismuth
num ganese con
1 1
Leaded red brass C83450 88 2 ⁄226 ⁄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 . . . . . . . . . . . . . . . . . .
1 1 1 1
C84800 76-2 ⁄2-6 ⁄2-15, or semi-red brass 76 2 ⁄2 6 ⁄2 15 . . . . . .
Leaded yellow brass C85200 high-copper yellow brass 72 1 3 24 . . . . . . . . . . . . .
...