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OVERVIEW SPECIFICATIONS AND TECHNICAL INFORMATION

See Cold Roll Steel Tolerances

Cold Roll Round Bar 1144, also called "Stress Relieved" or "Stressproof�", has excellent strength, hardness, and it is easily machined. 1144 is also designed to resist warping during heat treatment. It is typically used in nuts, bolts, arbors, gears, pinions, piston rods, sleeves, shafts, and screws.
Stressproof is a trademark of LaSalle Steel Co.

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Dimension Name

Specification

Alloy 1144
Production Method Cold Finish
Diameter 0.3125
Max Length 144
MTR Availability No
Full Length true
Material Carbon Steel
Shape Bar-Round
Custom Cut Warehouse 1
Material Specifications

This material meets the following specs: ASTM -A108, ASTM -A29

Weight/Lineal Foot

0.27 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 ball 187 min
Rockwell Hardness B scale 90 min
Density g/cm^3 7
Elongation Typical % 10 min
Melting Point °F 2580 - 2650
Modulus of Elasticity KSI x 10^3 29
Reduction of Area % 20
Specific Heat BTU/lb-°F (32-212F) 1
Thermal Conductivity BTU-in/hr-ft^2-°F 360
Tensile Strength KSI 95 min
Shear Strength KSI 73
Yield Strength KSI 84 min

Chemistry Information: 1144 Carbon Steel

Element Percentage
Fe 97.54 - 98.01
C 0.4 - 0.48
Mn 1.35 - 1.65
P 0.04 max
S 0.24 - 0.33
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