770 Nickel Silver Sheet in Stock! Shop Now

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 Round Bar 4140 Annealed Cold Finish, also referred to as Chromoly Steel, is known for strength, resistance to fracturing, abrasion, and impact in high stress applications. 4140 is popular for a wide range of applications and is ductile and easily machined in the annealed state. It is 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

Alloy 4140
Temper Annealed
Production Method TGP
Eniteo Vendor ID 1961
MTR Availability Yes
Material Alloy Steel
Shape Bar-Round
Custom Cut Warehouse 0
Material Specifications

This material meets the following specs: ASTM -A322, ASTM -A295, ASTM -A434, ASTM -A29, ASTM -A193

Weight/Lineal Foot

8.86 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
Brinell Hardness 500 kg load 197
Rockwell Hardness B Scale 92
Elongation Typical % 25
Density g/cm^3 7
Melting Point °F 2580 - 2650
Modulus of Elasticity KSI x 10^3 29
Specific Heat BTU/lb-°F (32-212F) 1
Reduction of Area % 56
Thermal Conductivity BTU-in/hr-ft^2-°F 296
Tensile Strength KSI 95
Shear Strength KSI 69
Yield Strength KSI 60

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
Can't find what you're looking for?