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Made to Measure with Accurate Custom Cuts
With the tightest custom cut tolerances of any small quantity US metal supplier, your materials get a 3-point inspection to ensure quality and accuracy before it ships.


OVERVIEW SPECIFICATIONS AND TECHNICAL INFORMATION

See Alloy Steel Tolerances

Alloy Steel Hex Bar 4140 Cold Finish, also referred to as Chromoly Steel, are known for strength, resistance to fracturing, abrasion, and impact in high stress applications. 4140 and 4142 are both popular for a wide range of applications and are mechanically extremely similar, both are ductile and easily machined in the annealed state. They are commonly used for gears, shafts, spindles, fixtures, bolts, valves, sprockets, pistons, and collars in various high-stress and heavy-duty applications.

shape Image

Dimension Name

Specification

Across Flats 22
Alloy 4140
Production Method Cold Finish
Eniteo Vendor ID 1961
MTR Availability Yes
Material Alloy Steel
Shape Bar-Hex
Custom Cut Warehouse 0
Material Specifications

This material meets the following specs: ASTM -A29

Weight/Lineal Foot

10.93 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: 4140 Alloy Steel

Element Percentage
C 0.38 - 0.43
Cr 0.8 - 1.1
Fe 96.785 - 97.84
Mn 0.7 - 1
Mo 0.15 - 0.25
P 0.035 max
S 0.04 max
Si 0.15 - 0.3
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