Chemical Composition
Base Element
C (Carbon)
0.12 to 0.18
%    
Fe (Iron)
97.9 to 98.9
%    (estimate)
Mn (Manganese)
0.9 to 1.3
%    
P (Phosphorus)
0.06
%  (maximum)  
S (Sulfur)
0.08 to 0.18
%    
Si (Silicon)
0.4
%  (maximum)  
Balance
Composition Note
1) Cast analysis.
2) 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
Tabular Data
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DimensionsYield Strength (lbf/ft^2)Ultimate Tensile Strength (lbf/ft^2)Elongation (% strain)
Thickness, ≥ 5 to ≤ 10 mm≥ 9.4e61.17e7 to 1.75e7≥ 6
Thickness, > 10 to ≤ 16 mm≥ 8.98e61.04e7 to 1.67e7≥ 7
Thickness, > 16 to ≤ 40 mm≥ 8.15e69.82e6 to 1.61e7≥ 8
Thickness, > 40 to ≤ 63 mm≥ 7.31e69.61e6 to 1.42e7≥ 9
Thickness, > 63 to ≤ 100 mm≥ 5.53e69.19e6 to 1.36e7≥ 10
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Yield Strength
5.53e6
lbf/ft^2  (minimum)  
Ultimate Tensile Strength
9.19e6 to 1.36e7
lbf/ft^2    
Elongation
10
% strain  (minimum)  
Condition
Cold drawn (+C temper)
 
Other Information
Material Class
Alloy Family
Alloy Group
Alloy Sub-Group
Country
Standards Body
Description
Bright steel products
Designation
15SMn13
Specification Type
Specification
ISO 683-18
Specification Year
2014
Specification Status
Organization
International Organization for Standardization (ISO)
Available forms
Bar
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