Cold Roll Round Bar 1045 Cold Finish exhibits medium tensile strength, good weldability and machinability, and high strength. 1045 is a commonly used lower carbon steel with a wide range of applications. It is typically used in machinery parts, die forging, hot upsetting, gears, crankshafts, shafts, axles, bolts, studs, pinions, casters, and support plates.

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Product Information

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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
1.125
Max Length
144
Alloy
1045
Production Method
Cold Finish
Metal Type
Carbon Steel
Shape
Bar-Round
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
3.38 pounds
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Mechanical Properties

Density g/cm^3
8
Yield Tensile Strength KSI
77
Ultimate Tensile Strength KSI
91
Brinell Hardness 3000 kg load
179
Elongation % in 2 in.
12
Rockwell Hardness B Scale
88
Shear Strength KSI
59
Melting Point °F
2590 - 2660
Electrical Conductivity % IACS
7
Machinability %
64
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Chemistry Information : 1045 Carbon Steel

Element
Percentage
Element
Percentage
Element
Percentage
Fe
98.7
Mn
0.8
S
0.05
C
0.45
P
0.04

The 1.125" 1045 carbon steel round bar is a medium carbon steel known for its good strength, impact resistance, and moderate corrosion resistance. Its cold finish provides improved surface finish and tighter tolerances, making it suitable for applications that require enhanced machinability and wear resistance.

Online Metals allows you to order custom cut lengths for the 1.125" 1045 carbon steel round bar, making it easier to get exactly what you need for your project.

Yes, the 1045 cold finished round bar is commonly used for shafting, machinery parts, and other applications where strength, hardness, and good machinability are required.

This product is shipped from select Online Metals warehouses, and availability can be confirmed during the ordering process.

Yes, Online Metals offers custom cut lengths for the 1.125" 1045 carbon steel round bar, allowing you to get the exact size needed for your project.

Absolutely. This 1045 cold finished round bar is commonly used for machinery parts, shafting, gears, and other applications requiring good strength, hardness, and machinability.

The 1045 carbon steel round bar offers medium tensile strength with a yield strength of 77 ksi and ultimate tensile strength of 91 ksi. It also has good machinability rated at 64, making it suitable for various manufacturing processes.

Yes, a material test report (MTR) is available for this product to verify its chemical and mechanical properties.

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