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Units
Metric
CGS (Consistent)
FPS (Consistent)
IPS (Consistent)
SI (Consistent)
UK Imperial
US Customary
4340/ E4340, Grade L, ASTM A372/A372M
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Mechanical and Physical Properties
Yield Strength
930
MPa (minimum)
Ultimate Tensile Strength
1070 to 1240
MPa
Elongation
12
% strain (minimum)
Brinell Hardness
311
(minimum)
Other Information
Material Class
Ferrous Alloy
Alloy Family
Alloy Steel
Country
USA
Standards Body
ASTM (USA)
Specification Status
Active
Source
Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006
Available forms
Wrought
No warranty is given for the accuracy of these data
Copyright © 2024 ASM International®
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