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CGS (Consistent)
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Metric
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UK Imperial
US Customary
Martensitic stainless steel, BIRDSBORO-45A2 (Birdsboro Corp.)
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Chemical Composition
Base Element
Fe (Iron)
Ag (Silver)
Al (Aluminum)
As (Arsenic)
Au (Gold)
B (Boron)
Be (Beryllium)
Bi (Bismuth)
C (Carbon)
0.5
% (maximum)
Ca (Calcium)
Cd (Cadmium)
Ce (Cerium)
Co (Cobalt)
Cr (Chromium)
0.95
%
Cu (Copper)
Fe (Iron)
97.5 to 98.1
%
(estimate)
Ga (Gallium)
Hf (Hafnium)
In (Indium)
Li (Lithium)
Mg (Magnesium)
Mn (Manganese)
0.8
%
Mo (Molybdenum)
0.2
%
N (Nitrogen)
Na (Sodium)
Nb (Niobium)
Ni (Nickel)
P (Phosphorus)
Pb (Lead)
Pd (Palladium)
Pt (Platinum)
S (Sulfur)
Sb (Antimony)
Se (Selenium)
Si (Silicon)
Sn (Tin)
Sr (Strontium)
Ta (Tantalum)
Te (Tellurium)
Th (Thorium)
Ti (Titanium)
Tl (Thallium)
V (Vanadium)
W (Tungsten)
Zn (Zinc)
Zr (Zirconium)
Balance
Fe (Iron)
Others Total
Others Each
Other elements
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
Tabular Data
Yield Strength
95000 to 140000
psi
Ultimate Tensile Strength
120000 to 165000
psi
Elongation
9 to 14
% strain
Density
Brinell Hardness
300
Vickers Hardness
Rockwell Hardness C scale
Rockwell Hardness B scale
Rockwell Hardness A scale
Rockwell 30-T scale
Rockwell 15-T scale
Condition
Notes on Mechanical Properties
Other Information
Material Class
Ferrous Alloy
Alloy Family
Alloy Group
Alloy Sub-Group
Country
USA
Standards Body
Description
Cast: 120,000-165,000 TS; 95,000-140,000 YP; 14-9 El; 22-30 RA; 300 HB; For general and structural castings; gears, shafts, housings. AISI 4145. Tough.
Alternate Name
Designation
BIRDSBORO-45A2
Specification Type
Manufacturer's Specification
Specification
Specification Year
Specification Status
Obsolete
Specification Status Notes
Similar US Grade
Similar UNS Number
Equivalent Standards
Source
Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000
Online Source
Organization
Available forms
Casting
,
Shaft
Similar Alloys
Click here to find similar alloys
Links
Organizations
Birdsboro Corp.
No warranty is given for the accuracy of these data
Copyright © 2024 ASM International®
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