ASTM B 427 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Gear Bronze Alloy Castings
English
01-10-2009
11-11-2014
CONTAINED IN VOL. 02.01, 2017 Defines requirements for alloys whose copper alloy numbers and nominal compositions.
| Committee |
B 05
|
| DevelopmentNote |
Supersedes QQ C 390 (B). (07/2004)
|
| DocumentType |
Standard
|
| Pages |
3
|
| ProductNote |
Reconfirmed 2009
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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, % | ||||
|---|---|---|---|---|---|---|
| Copper | Tin | Nickel | Lead | Phos- phorus | ||
| C90800 | A | 87.8 | 12.0 | ... | 0 | 0.2 |
| C91700 | B | 86.3 | 12.0 | 1.5 | 0 | 0.2 |
| C90700 | ... | 87.8 | 11.0 | ... | 0 | 0.2 |
| C91600 | C | 88.0 | 10.3 | 1.5 | 0 | 0.2 |
| C92900 | D | 83.5 | 10.0 | 3.5 | 2.8 | 0.2 |
| ASTM B 208 : 2014 : REDLINE | Standard Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous Castings |
| ASTM E 10 : 2017-05 | TEST METHOD FOR BRINELL HARDNESS OF METALLIC MATERIALS |
| ASTM E 527 : 2016 : REDLINE | Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS) |
| ASTM B 824 : 2017 : REDLINE | Standard Specification for General Requirements for Copper Alloy Castings |
| ASTM B 846 : 2011-07 | TERMINOLOGY FOR COPPER AND COPPER ALLOYS |
| ASTM E 8 : 2004 | Standard Test Methods for Tension Testing of Metallic Materials |
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