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Product Details, Specifications, and Technical Information

Alloy Steel Hex Bar 4340 Cold Drawn Normalized offers good strength and weldability without compromising steel abrasion or impact resistance. This material comes in the normalized condition and doesn't require further heat treatment. It is typically used in structural applications, gears, fasteners, and aircraft exteriors.

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Dimension Name Specification
Max Length 144
Across Flats 0.5
Alloy 4340
Temper Normalized
MTR Availability Yes
Full Length true
Material Alloy Steel
Shape Bar-Hex
Custom Cut Warehouse 1
Weight/Lineal Foot
0.74 pounds
Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Mechanical Properties
Property Value
Ultimate Tensile Strength KSI 186
Yield Tensile Strength KSI 125
Density g/cm^3 8
Elongation % in 2 in. 12
Rockwell Hardness C Scale 100
Melting Point °F 2580 - 2650
Shear Strength KSI 110
Brinell Hardness 3000 kg load 363
Electrical Conductivity % IACS 8
Chemistry Information: 4340 Alloy Steel
Element Percentage
C 0.37 - 0.43
Cr 0.8
Fe 96
Mn 0.7
Ni 1.83
P 0.035 max
S 0.04 max
Si 0.23
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