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ASTM B 271 : 2008

ASTM B 271 : 2008

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Specification for Copper-Base Alloy Centrifugal Castings

Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

01-10-2008

Publisher

American Society for Testing and Materials

Committee
B 05
DocumentType
Standard
Pages
6
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1 This specification establishes requirements for centrifugal castings of copper-base alloys having the nominal compositions shown in Table 1.

1.2 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

ClassificationCopper Alloy
UNS No.		Commercial
Designation		CopperTinLeadZincNickelIronAlum-
inum		Mang-
anese		Silicon
Leaded red brassC8360085-5-5-585 5 5 5...............
C8380083-4-6-7 or commercial red brass83 4 6 7...............
Leaded semi-red brassC8440081-3-7-9 or valve composition81 3 7 9...............
C8480076-2½-6½-15 or semi-red brass76 2½ 6½15...............
Leaded yellow brassC85200high copper yellow brass72 1 324...............
C85400commercial No. 1 yellow brass67 1 329...............
C85700leaded naval brass61 1 137...............
High-strength yellow brassC86200high-strength manganese bronze63......27...3 43...
C86300high-strength manganese bronze61......27...3 63...
C86400leaded manganese bronze58 1 138...1½½...
C86500No. 1 manganese bronze58......39...1 11...
C86700leaded manganese bronze58 1 134...2 22...
Silicon bronze and siliconC87300silicon bronze95..................14
brassC87400silicon brass82...½14............ 3½
C87500silicon brass82......14............4
C87600silicon bronze89...... 6............5
Tin bronze and leadedC9030088-8-0-4, or modified “G” bronze88 8... 4...............
tin bronzeC9050088-10-0-2, or “G” bronze8810... 2...............
C9220088-6-2-4 or “M” bronze88 6 2 4...............
C9230087-8-1-4, or Navy PC87 8 1 4...............
High-lead tin bronzeC9320083-7-7-383 7 7 3...............
C9350085-5-9-185 5 9 1...............
C9360081-7-1281 712..................
C9370080-10-10801010..................
C9380078-7-1578 715..................
C9430071-5-2471 524..................
Aluminum bronzeC95200Grade A88............3 9......
C95300Grade B89............110......
C95400Grade C85............411......
C9541084......... 2410......
C9590082.5............4.513......
Nickel aluminum bronzeC95500Grade D81......... 4411......
C9552078.5......... 5.55.011......
C9580081.3......... 4.54 91.2...
Leaded nickel bronzeC9730012 % leaded nickel silver57 2 92012............
C9760020 % leaded nickel silver64 4 4 820............
C9780025 % leaded nickel silver66 5 2 225............

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