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Hot Rolled Steel Flat Bars A36 are made of low carbon steel that is commonly found in most industries, offer good weldability, machinability, and can be heat treated to harden its surface. Unlike cold rolled steel, Hot Roll Flat Bars A36 has a rougher surface and with galvanization, it can resist corrosion well.

MTR MTR Available
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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.
Thickness
1.75
Width
4
Alloy
A36
Production Method
Hot Rolled
Type
A36
Metal Type
Carbon Steel
Shape
Bar-Rectangle
Brand
MSP Metals
Eniteo Vendor ID
3185
Weight/Lineal Foot
23.82 pounds
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Mechanical Properties

Machinability %
72
Elongation % in 2 in.
22
Yield Tensile Strength KSI
48
Electrical Conductivity % IACS
12
Brinell Hardness 3000 kg load
140
Ultimate Tensile Strength KSI
58
Density g/cm^3
8
Melting Point °F
2590 - 2670
Rockwell Hardness B Scale
77
Shear Strength KSI
44
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Chemistry Information : A36 Carbon Steel

Element
Percentage
Element
Percentage
Element
Percentage
C
0.29  max
Cu
0.2
Fe
99
Mn
0.75
P
0.04  max
S
0.05  max

This rectangle bar measures 1.75 inches in thickness and 4 inches in width. It is made from A36 low carbon steel, hot rolled, offering good weldability and machinability with a Brinell hardness of 140 and a yield tensile strength of 48 ksi.

Yes, this hot rolled carbon steel rectangle bar is available in various lengths ranging from 12 inches up to 144 inches, allowing you to choose the size that best fits your project needs.

Absolutely. The A36 alloy is known for its good weldability and machinability, with a machinability rating of 72, making it ideal for fabrication and machining applications.

The hot rolled surface has a rougher texture compared to cold rolled steel, but with proper galvanization, it can resist corrosion effectively.

This product is in stock and available for immediate shipping in multiple length options. For example, a 12-inch bar weighs approximately 23.82 pounds, with longer lengths proportionally heavier.

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