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Hot-work tool steel, ALMAR 15 (280 HT) (Allegheny Ludlum Steel)
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Chemical Composition
Base Element
Fe (Iron)
B (Boron)
0.003
%
C (Carbon)
0.03
% (maximum)
Co (Cobalt)
9
%
Fe (Iron)
70.3 to 70.5
%
(estimate)
Mn (Manganese)
0.1
% (maximum)
Mo (Molybdenum)
4.8
%
Ni (Nickel)
15
%
P (Phosphorus)
0.01
% (maximum)
S (Sulfur)
0.01
% (maximum)
Ti (Titanium)
0.7
%
Zr (Zirconium)
0.02
%
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
2020
MPa
Ultimate Tensile Strength
2070
MPa
Elongation
10
% strain
Rockwell Hardness C scale
54 to 55
Other Information
Material Class
Ferrous Alloy
Country
USA
Description
Heat treated: 299,700 TS; 293,700 YS; 10 El; 41.5 RA, HRC 54-55. For die casting inserts, pistons, cylinders, hot extrusion dies. High yield strength and ductility.
Designation
ALMAR 15 (280 HT)
Specification Type
Manufacturer's Specification
Specification Status
Obsolete
Source
Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000
Available forms
Casting
,
Wrought
Similar Alloys
Click here to find similar alloys
Links
Organizations
Allegheny Ludlum Steel
No warranty is given for the accuracy of these data
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