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Precipitation-hardening stainless steel, AL TECH 17CR-4NI EZ (AL Tech Specialty Steel Corp.)
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Chemical Composition
Base Element
Fe (Iron)
C (Carbon)
0.07
% (maximum)
Cr (Chromium)
15 to 17.5
%
Cu (Copper)
3 to 5
%
Fe (Iron)
71.4 to 79
%
(estimate)
Mn (Manganese)
1
% (maximum)
Ni (Nickel)
3 to 5
%
S (Sulfur)
0.03
% (maximum)
Balance
Fe (Iron)
Other elements
0.15-0.45 Nb+Ta
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
758
10^7 dyne/cm^2
Ultimate Tensile Strength
1030
10^7 dyne/cm^2
Elongation
10
% strain
Rockwell Hardness C scale
38
(maximum)
Other Information
Material Class
Ferrous Alloy
Country
USA
Description
Condition A: 150 ksi TS; 110 ksi YS; 10 El; 38 max HRC; Precipitation hardening. For high-strength fittings, valves, bolts, shafting, pump parts, instruments.
Designation
AL TECH 17CR-4NI EZ
Specification Type
Manufacturer's Specification
Specification Status
Obsolete
Similar UNS Number
S17400
Source
Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000
Available forms
Shaft
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Organizations
AL Tech Specialty Steel Corp.
No warranty is given for the accuracy of these data
Copyright © 2024 ASM International®
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