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Effect of lowering tin content of secondary red brass.

Authors
Higley-LW Jr.; Cole-ER Jr.; Kenworthy-H; Holamn-JL
Source
Trans Am Foundrymen's Soc 1971 Jan; 79:157-160
NIOSHTIC No.
10010253
Abstract
Laboratory melts of the important secondary casting alloy, 85-5-5-5 (85 percent cu, 5 percent sn, 5 percent pb, 5 percent zn), one of the leaded red brasses, were made in which the tin content was reduced from 5 to 3 and 1 percent, with increased copper or zinc to offset the reduction in tin. The work was done as part of a Bureau of Mines program to promote more economic use of secondary nonferrous alloys since tin, nearly all of which is imported, accounts for nearly 20 percent of the raw materials cost of the 85-5- 5-5 alloy. The mechanical properties and machinability characteristics of the resultant alloys were compared with minimum properties for leaded red brass as specified by ASTM and with typical properties for leaded red brass as published by the Brass and Bronze Ingot Institute. Results indicate that much of the primary tin added to achieve composition in leaded red brass could be eliminated without significantly affecting strength, ductility, or machinability.
CODEN
TAFOA6
Publication Date
19710101
Document Type
OP; Journal Article
Fiscal Year
1971
NTIS Accession No.
NTIS Price
Identifying No.
OP 194-71
ISSN
0065-8375
NIOSH Division
RORC
Source Name
Transactions of the American Foundrymen's Society
State
MO
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