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Wrought bronze, BOHNOLLOY R 90 AA (Bohn Aluminum & Brass Corp.)
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Chemical Composition
Base Element
Cu (Copper)
Al (Aluminum)
9.5 to 10.8
%
Cu (Copper)
85.5 to 88
%
(estimate)
Fe (Iron)
2.5 to 3.75
%
Balance
Cu (Copper)
Composition Note
Cu is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one.
Mechanical Properties
Yield Strength
36000
psi
Ultimate Tensile Strength
80100
psi
Elongation
20
% strain
Brinell Hardness
137
Other Information
Material Class
Nonferrous Alloy
Country
USA
Description
Wrought: 80,000 TS; 36,000 YS; 20 El; 137 HB; For hardware bolts; Aluminum bronze, heat treatable.
Designation
BOHNOLLOY R 90 AA
Specification Type
Manufacturer's Specification
Specification Status
Obsolete
Source
Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000
Available forms
Wrought
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Organizations
Bohn Aluminum & Brass Corp. (Div. of Gulf + Western Mfg. Co.)
No warranty is given for the accuracy of these data
Copyright © 2024 ASM International®
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