Standard Historical Last Updated: Jun 04, 2015 Track Document
ASTM B427-09

Standard Specification for Gear Bronze Alloy Castings

Standard Specification for Gear Bronze Alloy Castings B0427-09 ASTM|B0427-09|en-US Standard Specification for Gear Bronze Alloy Castings Standard new BOS Vol. 02.01 Committee B05
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Abstract

This specification establishes requirements for gear bronze alloy castings with Copper Alloy No. C90800, C91700, C90700, C91600, and C92900. The castings may be furnished as one of three types: static chill, centrifugal chill, or sand cast. The alloys shall be subject to tensile strength, yield strength, elongation, and Brinell hardness tests. The Brinell readings shall be taken on the grip end of the tension test bar as described in the specification.

Scope

1.1 This specification establishes requirements for alloys whose copper alloy numbers and nominal compositions are shown in Table 1. The castings may be furnished as one of three types: static chill, centrifugal chill, or sand cast.

1.2 The values stated in inch-pound units are to be regarded as the standard. SI values given in parentheses are for information purposes only.

TABLE 1 Nominal Composition

Copper
Alloy
UNS No.
Previously
Used
Designation
Composition, %
CopperTinNickelLeadPhos-
phorus
C90800A87.812.0...00.2
C91700B86.312.01.500.2
C90700...87.811.0...00.2
C91600C88.010.31.500.2
C92900D83.510.03.52.80.2
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Details
Book of Standards Volume: 02.01
Developed by Subcommittee: B05.05
Pages: 3
DOI: 10.1520/B0427-09
ICS Code: 77.150.30