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Units
FPS (Consistent)
CGS (Consistent)
IPS (Consistent)
Metric
SI (Consistent)
UK Imperial
US Customary
46SPb20, ISO 683-18, Bar, +SH
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Chemical Composition
Base Element
Fe (Iron)
C (Carbon)
0.42 to 0.5
%
Fe (Iron)
97.3 to 98.6
%
(estimate)
Mn (Manganese)
0.7 to 1.1
%
P (Phosphorus)
0.06
% (maximum)
Pb (Lead)
0.15 to 0.35
%
S (Sulfur)
0.15 to 0.25
%
Si (Silicon)
0.4
% (maximum)
Balance
Fe (Iron)
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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Dimensions
Ultimate Tensile Strength (lbf/ft^2)
Brinell Hardness
Thickness, > 16 to ≤ 40 mm
1.23e7 to 1.59e7
≤ 222
Thickness, > 40 to ≤ 63 mm
1.21e7 to 1.52e7
≤ 213
Thickness, > 63 to ≤ 100 mm
1.17e7 to 1.48e7
≤ 207
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Ultimate Tensile Strength
1.17e7 to 1.48e7
lbf/ft^2
Brinell Hardness
207
(maximum)
Condition
As-rolled, peeled (+SH)
Other Information
Material Class
Ferrous Alloy
Alloy Family
Carbon Steel
Alloy Group
Medium-carbon steel
Alloy Sub-Group
1145/ 1146
Country
International
Standards Body
ISO (International)
Description
Bright steel products
Designation
46SPb20
Specification Type
Standard
Specification
ISO 683-18
Specification Year
2014
Specification Status
Active
Organization
International Organization for Standardization (ISO)
Available forms
Bar
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International Organization for Standardization (ISO)
No warranty is given for the accuracy of these data
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