Brass Square Tube alloys 385 or 280 are also known as Architectural Bronze even though they are actually a brass. 385 and 280 brass are color matches, and will be stocked in one alloy or the other depending on the size/part number. They polish to an excellent finish, resist corrosion in non-marine environments, and machine comparably well to 360 free-machining brass. They are easy to braze and solder but should not be welded. 385 and 280 are typically used in decorative architecture applications and ornamental hardware.

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
3
Wall
0.125
Max Length
144
Alloy
385-280
Temper
H58
Metal Type
Brass
Shape
Tube-Square
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
5.27 pounds
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Mechanical Properties

Ultimate Tensile Strength KSI
54 min
Density g/cm^3
8
Brinell Hardness 500 kg load
89 min
Rockwell Hardness 30T Scale
87 min
Elongation % in 2 in.
Melting Point °F
1610 - 1630
Electrical Conductivity % IACS
28

This brass square tube measures 3 inches in height with a wall thickness of 0.125 inches. It is made from brass alloys 385 or 280, also known as Architectural Bronze, and comes in temper H58.

Yes, the brass square tube is available for custom cutting with lengths up to 144 inches, and custom cut pieces are shipped from the warehouse.

This brass tube is easy to braze and solder but should not be welded. It is ideal for decorative architectural applications and ornamental hardware.

The tube is in stock in multiple lengths ranging from 12 to 192 inches. Shipping weights vary from 5.27 lb for 12 inches up to 84.32 lb for 192 inches.

Yes, material test reports (MTR) are available for this brass square tube to verify its composition and quality.

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