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1045/1045H, Grade E, ASTM A730 (Grade E, ASTM A730 (203 mm<solid t<=356 mm))
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Chemical Composition
Base Element
Fe (Iron)
C (Carbon)
0.4 to 0.55
%
Fe (Iron)
98.5 to 98.9
%
(estimate)
Mn (Manganese)
0.6 to 0.9
%
P (Phosphorus)
0.045
% (maximum)
S (Sulfur)
0.05
% (maximum)
Si (Silicon)
0.15
% (minimum)
Composition Note
Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one.
Mechanical Properties
Yield Strength
295
MPa (minimum)
Ultimate Tensile Strength
570
MPa (minimum)
Elongation
23
% strain (minimum)
Other Information
Material Class
Ferrous Alloy
Alloy Family
Carbon Steel
Alloy Group
Medium-carbon steel
Alloy Sub-Group
1045/1045H
Country
USA
Standards Body
ASTM (USA)
Description
Norm and tempered carbon steel forgings for railway use; 203 mm<solid t<=356 mm.
Alternate Name
formerly A236, Grade E
Designation
Grade E
Specification Type
Standard
Specification
ASTM A730
Specification Year
1999
Specification Status
Active
Specification Status Notes
active 1999
Source
Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006
Available forms
Wrought
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Links
Organizations
American Society for Testing and Materials (ASTM)
No warranty is given for the accuracy of these data
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