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Nickel alloy steel, SPARTAN III (Bethlehem Lukens Plate)
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Chemical Composition
Base Element
Fe (Iron)
C (Carbon)
0.07
% (maximum)
Cr (Chromium)
0.45 to 0.75
%
Cu (Copper)
1.45 to 1.75
%
Fe (Iron)
91.5 to 93.4
%
(estimate)
Mn (Manganese)
0.75 to 1.15
%
Mo (Molybdenum)
0.55 to 0.65
%
Nb (Niobium)
0.02 to 0.06
%
Ni (Nickel)
3.35 to 3.65
%
P (Phosphorus)
0.015
% (maximum)
S (Sulfur)
0.005
% (maximum)
Si (Silicon)
0.4
% (maximum)
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
621 to 827
MPa
Ultimate Tensile Strength
689 to 896
MPa
Other Information
Material Class
Ferrous Alloy
Country
USA
Description
Quenched and precipitation heat treated. 100,000-130,000 psi TS; 90,000-120,000 psi YS.
Designation
SPARTAN III
Specification Type
Manufacturer's Specification
Specification Status
Active
Source
Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000
Available forms
Wrought
Similar Alloys
Click here to find similar alloys
Links
Organizations
Bethlehem Lukens Plate
No warranty is given for the accuracy of these data
Copyright © 2024 ASM International®
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