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Structural steel, BIRDSBORO-MM (Birdsboro Corp.)
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Chemical Composition
Base Element
Fe (Iron)
C (Carbon)
0.32
% (maximum)
Fe (Iron)
97.7 to 98
%
(estimate)
Mn (Manganese)
1.5
%
Mo (Molybdenum)
0.5
%
Balance
Fe (Iron)
Composition Note
Fe 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
3.45e8 to 6.21e8
Pa
Ultimate Tensile Strength
5.52e8 to 8.27e8
Pa
Elongation
14 to 22
% strain
Brinell Hardness
150 to 210
Other Information
Material Class
Ferrous Alloy
Country
USA
Description
Cast: 80,000-120,000 TS; 50,000-90,000 YS; 14-22 El; 150-210 HB; 30-35 RA. For general and structural applications, gears, housings. Good weldability. ASTM A148.
Designation
BIRDSBORO-MM
Specification Type
Manufacturer's Specification
Specification Status
Obsolete
Source
Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000
Available forms
Casting
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Organizations
Birdsboro Corp.
No warranty is given for the accuracy of these data
Copyright © 2024 ASM International®
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