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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Product Information

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Please note:

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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.
Diameter
2.75
Max Length
144
Alloy
1144
Production Method
Cold Finish
Metal Type
Carbon Steel
Shape
Bar-Round
No
Custom Cut Warehouse
1
Weight/Lineal Foot
20.17 pounds
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Mechanical Properties

Density g/cm^3
8
Yield Tensile Strength KSI
90
Ultimate Tensile Strength KSI
108
Brinell Hardness 3000 kg load
210
Rockwell Hardness B Scale
95
Melting Point °F
2580 - 2650
Elongation % in 2 in.
10
Shear Strength KSI
73
Electrical Conductivity % IACS
7
Machinability %
83
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Chemistry Information : 1144 Carbon Steel

Element
Percentage
Element
Percentage
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

This 2.75" 1144 stress-relieved carbon steel round bar offers high strength and excellent machinability, making it ideal for precise applications. Its stress-relieved, cold-finished production process minimizes warping and distortion during machining.

Yes, 1144 carbon steel round bar is known for its durability and superior wear resistance, making it well-suited for applications such as shafts, pins, and other machine parts that undergo high stress and repetitive motion.

Custom cut lengths are not available directly online for this specific product; it is supplied in standard lengths only.

Shipping availability depends on current stock at your selected warehouse. The product page provides real-time inventory levels to help you plan your order.

This 2.75" diameter 1144 carbon steel round bar features high strength and excellent machinability due to its stress-relieved, cold-finished production. It resists warping during machining, making it ideal for precision parts like gears, shafts, and screws.

Yes, the 1144 alloy is known for its durability and superior wear resistance, making it well-suited for high-stress components like shafts, pins, arbors, and other machine parts subjected to repetitive motion.

Custom cut lengths are not available online for this product; it is supplied only in standard lengths up to 144 inches.

Shipping availability depends on current stock at your selected warehouse. The product page provides real-time inventory levels to help you plan your order.

No, a material test report (MTR) is not available for this product.

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