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Product Details, Specifications, and Technical Information

Alloy Steel Round Bar 8620 Cold Finish offers good strength, high case toughness, and good core strength and toughness. 8620 is the mostly widely used carburized steel, and the addition of nickel gives it good fatigue resistance and torsional strength. It is typically used in gears, cranks, shafting, axles, bushings, heavy duty pins, bolting, springs, hand tools, gears, and many other machinery parts.

shape Image
Dimension Name Specification
Diameter 4.5
Max Length 144
Alloy 8620
Production Method Hot Rolled
MTR Availability Yes
Full Length true
Material Alloy Steel
Shape Bar-Round
Custom Cut Warehouse 1
Material Specifications

This material meets the following specs: ASTM -A322

Weight/Lineal Foot
54.13 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
Density g/cm^3 8
Ultimate Tensile Strength KSI 92
Yield Tensile Strength KSI 52
Brinell Hardness 500 kg load 183
Rockwell Hardness B Scale 89
Melting Point °F 2580 - 2650
Elongation % in 2 in. 26
Shear Strength KSI 59
Electrical Conductivity % IACS 7
Machinability % 66
Chemistry Information: 8620 Alloy Steel
Element Percentage
C 0.18 - 0.23
Cr 0.4 - 0.6
Fe 96.9 - 98.02
Mn 0.7 - 0.9
Mo 0.15 - 0.25
Ni 0.4 - 0.7
P 0.035 max
Si 0.15 - 0.35
S 0.04 max
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