See Alloy Steel Tolerances

Alloy Steel Round Bar 4340 Normalized Cold Finish 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.

shape Image
Dimension Name Value
Alloy 4340
Temper Normalized
Diameter 0.5
Max Length 144
MTR Availability Yes
Material Alloy Steel
Shape Bar-Round
Custom Cut Warehouse 1
Material Specifications

This material meets the following specs: AMS -6415

Weight/Lineal Foot
0.67 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

Cr 0.8
C 0.37 - 0.43
Fe 96
Mn 0.7
P 0.035 max
S 0.04 max
Ni 1.83
Si 0.23
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.

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