ASTM-B763 2012(Redline)

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B763-12 Standard Specification for Copper Alloy Sand Castings for Valve Applications (Redline)

Published By	Publication Date	Number of Pages
ASTM	2012	7

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Categories: 77.150.30 - Copper products, ASTM

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Description

Abstract

This specification establishes requirements for copper alloy sand castings for valve applications. The castings shall conform to the chemical composition requirements specified. Mechanical properties shall be determined from separately cast test bars, and shall conform with the requirements. Brinell hardness readings shall be taken in the grip end of the tension test bar and shall be made in accordance with the specified requirements.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

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.

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:

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 Units — The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

TABLE 1 Nominal Compositions

^A Antimony 0.07, Boron 0.001.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

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)

Keywords

copper alloy castings; copper-base alloy castings; valve castings; UNS C85400 (cast leaded yellow brass); UNS C85700 (cast leaded yellow brass); UNS C86200 (cast manganese bronze); Aluminum bronze castings; Copper alloy castings–specifications; Fittings; Pressure testing; Sand castings (copper alloy)–specifications; Seawater (natural/synthetic); Seawater service; Silicon brass (casting); Tensile properties/testing–metallic materials; UNS C89530; UNS C89535; UNS C83450 (leaded red brass); UNS C83800 (cast leaded red brass); UNS C84400 (cast semi-red brass); UNS C84800 (cast semi-red brass); UNS C85200 (cast leaded yellow brass); UNS C90500 (cast tin bronze); UNS C92300 (cast leaded tin bronze); UNS C92600 (cast leaded tin bronze); UNS C93200 (cast high-leaded tin bronze); UNS C93500 (cast high-leaded tin bronze); UNS C93700 (cast high-leaded tin bronze); UNS C93800 (cast high-leaded tin bronze); UNS C94300 (cast high-leaded tin bronze); UNS C94700 (cast nickel-tin bronze); UNS C94800 (cast nickel-tin bronze); UNS C94900 (cast nickel-tin bronze); UNS C95200 (cast aluminum bronze); UNS C95300 (cast aluminum bronze); UNS C95400 (cast aluminum bronze); UNS C95410 (cast aluminum bronze); UNS C95500 (cast aluminum bronze); UNS C86300 (cast manganese bronze); UNS C86400 (cast leaded manganese bronze); UNS C86500 (cast manganese bronze); UNS C86700 (cast leaded manganese bronze); UNS C87300 (copper silicon alloy); UNS C87400 (cast silicon brass); UNS C87500 (cast silicon brass); UNS C87600 (cast silicon brass); UNS C87610 (cast silicon brass); UNS C89844 (cast Cu-Zn-Sn-Bi alloy); UNS C90300 (cast tin bronze); UNS C95600 (cast aluminum bronze); UNS C95800 (cast aluminum bronze); UNS C97300 (cast nickel-silver); UNS C97800 (cast nickel-silver); UNS C99400 (cast copper alloy); UNS C99500 (cast copper alloy); Valve castings; Welded Cu/Cu alloy castings; UNS C97600 (cast nickel silver)

ICS Code

ICS Number Code 77.150.30 (Copper products)

DOI: 10.1520/B0763-12

Additional information

Bronze
High-lead tin bronze	C93200
Leaded red brass	C83450
High-strength yellow brass	C86200
Aluminum bronze	C95200
Leaded yellow brass	C85200
Leaded semi-red brass	C84400
Nickel aluminum bronze	C95500
Bismuth semi-red brass	C89844
Special alloys	C99400
Nickel-tin bronze and	C94700
Bismuth brass	C89720 A
Brass	C87400
Leaded nickel-tin bronze	C94800
Silicon aluminum bronze	C95600
Silicon bronze and silicon	C87300
Tin bronze and leaded tin	C90300
Leaded nickel bronze	C97300
	C99500
ICS Codes	77.150.30 - Copper products

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ASTM-B763 2012(Redline)

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