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OVERVIEW SPECIFICATIONS AND TECHNICAL INFORMATION

See Alloy Steel Tolerances

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.

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Dimension Name

Specification

Alloy 8620
Production Method Cold Finish
Diameter 1
Max Length 144
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 -A108

Weight/Lineal Foot

2.68 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 183
Rockwell Hardness B Scale 89
Elongation Typical % 13
Density g/cm^3 7
Melting Point °F 2590 - 2660
Modulus of Elasticity KSI x 10^3 30
Reduction of Area % 60
Specific Heat BTU/lb-°F 0 min
Thermal Conductivity BTU-in/hr-ft^2-°F 22
Tensile Strength KSI 92
Yield Strength KSI 52
Shear Strength KSI 59

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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