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.

MTR MTR Available
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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
1.9375
Max Length
144
Alloy
1045
Production Method
Cold Finish
Metal Type
Carbon Steel
Shape
Bar-Round
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
10.01 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 1045 cold finish carbon steel round bar is commonly used in machinery parts, die forging, hot upsetting, gears, crankshafts, shafts, axles, bolts, studs, pinions, casters, and support plates due to its medium tensile strength and good machinability.

Yes, custom cut lengths are available from the warehouse, with maximum lengths up to 144 inches, allowing you to order the exact size you need.

Yes, a Material Test Report (MTR) is available for this product to verify its chemical and mechanical properties.

This round bar has a machinability rating of 64 and offers medium tensile strength with a yield tensile strength of 77 ksi and ultimate tensile strength of 91 ksi, making it suitable for various mechanical applications.

The bar is shipped in lengths ranging from 12 to 240 inches, with shipping weights corresponding to length, for example, a 12-inch piece weighs about 10.01 lbs, ensuring you can plan for handling and shipping costs accordingly.

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