Product Details, Specifications, and Technical Information

Alloy Steel Round Bar 4340 VAR has high strength, toughness, wear resistance, and fatigue strength. It can be machined in all states other than hardened and it is easily welded. Additionally, 4340 can be cold worked easily in the annealed state. It is typically used in military aircraft, automotive systems, hydraulic parts, machine tools, and a steel crankshafts.

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Dimension Name Specification
Diameter 10.5
Max Length 144
Alloy 4340
Temper Normalized & Tempered
Material Alloy Steel
Shape Bar-Round
MTR Availability Yes
RoHS Yes 6C
REACH No
Custom Cut Warehouse 1
Weight/Lineal Foot
294.95 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.
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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