Carbon Steel Square Bar 1045 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.
Height
25
Max Length
72
Alloy
1045
Metal Type
Carbon Steel
Shape
Bar-Square
Yes
Eniteo Vendor ID
1961
Custom Cut Warehouse
0
Weight/Lineal Foot
19.76 pounds
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Mechanical Properties

Density g/cm^3
8
Ultimate Tensile Strength KSI
94
Rockwell Hardness B Scale
91
Brinell Hardness 3000 kg load
190
Yield Tensile Strength KSI
68
Elongation % in 2 in.
18
Melting Point °F
2590 - 2660
Shear Strength KSI
59
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 bar is a 25mm square shape with a length of 72 inches (+/- 2 inches). It is made from 1045 carbon steel, known for medium tensile strength, good weldability, and machinability.

Yes, 1045 carbon steel offers good machinability with a rating of 64 and good weldability, making it suitable for various machining and welding projects.

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

This bar is commonly used in machinery parts, die forging, gears, crankshafts, shafts, axles, bolts, studs, pinions, casters, and support plates.

Yes, the product is in stock and available for purchase as a single piece pack, weighing approximately 19.76 pounds.

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