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Units
UK Imperial
CGS (Consistent)
FPS (Consistent)
IPS (Consistent)
Metric
SI (Consistent)
US Customary
Martensitic stainless steel, AL TECH STAINLESS TYPE 440C (AL Tech Specialty Steel Corp.)
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Range attributes
C (Carbon)
0.95 to 1.20
%
Cr (Chromium)
16.00 to 18.00
%
Elongation
15
% strain
Fe (Iron)
77.5 to 83.1
%
(estimate)
Mn (Manganese)
1.00
% (maximum)
Mo (Molybdenum)
0.75
% (maximum)
Ni (Nickel)
0.50
% (maximum)
P (Phosphorus)
0.040
% (maximum)
Rockwell Hardness C scale
98
S (Sulfur)
0.030
% (maximum)
Si (Silicon)
1.00
% (maximum)
Ultimate Tensile Strength
110
ksi
Yield Strength
70.1
ksi
Logical attributes
Bar
Yes
Bearing
Yes
Billet
Yes
Extrusion
Yes
Wire
Yes
Discrete attributes
~Checking Status
Not verified - Original build
Date Last Checked
Thursday, October 17, 2013
Available forms
Bar
,
Bearing
,
Billet
,
Extrusion
,
Wire
Balance
Fe (Iron)
Base Element
Fe (Iron)
Country
USA
Material Class
Ferrous Alloy
Source
Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000
Specification Status
Active
Specification Type
Manufacturer's Specification
Short text attributes
Composition Note_old
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.
Country*
USA
Description_old
For bearings, bushings, valve components, cutlery and pump parts. High-hardening, outstanding wear resistance, good corrosion resistance. Bar, wire, billet, extruded rolled shape. Annealed: 110 ksi TS; 70 ksi YS; 15 EL; 98 HRC; 30 RA.
Designation
AL TECH STAINLESS TYPE 440C
Similar UNS Number
S44004
Long text attributes
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.
Description
For bearings, bushings, valve components, cutlery and pump parts. High-hardening, outstanding wear resistance, good corrosion resistance. Bar, wire, billet, extruded rolled shape. Annealed: 110 ksi TS; 70 ksi YS; 15 EL; 98 HRC; 30 RA.
Hyperlink attributes
Similar Alloys
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Integer attributes
ID
56906
Source ID
231893
Further Information
Organizations
AL Tech Specialty Steel Corp.
No warranty is given for the accuracy of these data
Copyright © 2024 ASM International®
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