C-863: A cast alloy of copper, manganese, aluminum and iron. High bearing strength and wear-resistance. Functions well under both high loads and speeds. Typical uses include gears and hydraulic parts.
MTR MTR Available
USA U.S.A. Made
Return Returns Acceptable.
DFARS DFARS Compliant
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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.
Outer Diameter
7
Wall
1.5
Inner Diameter
4
Alloy
863
Production Method
Continuous Cast
Metal Type
Bronze
Shape
Hollowbar
Brand
Spectrum Machine
Weight/Lineal Foot
100.17 pounds
Info

Mechanical Properties

Density g/cm^3
8
Ultimate Tensile Strength KSI
110
Yield Tensile Strength KSI
62
Rockwell Hardness B Scale
97
Brinell Hardness 3000 kg load
223
Electrical Conductivity % IACS
8
Melting Point °F
1630 - 1690
Elongation % in 2 in.
14
Machinability %
80
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Chemistry Information : 863 Bronze

Element
Percentage
Element
Percentage
Element
Percentage
Al
3 - 7.5
Cu
60 - 68
Fe
2 - 4
Pb
0.2  max
Mn
2.5 - 5
Sn
0.2  max
Zn
25

This bronze hollowbar has an outer diameter of 7 inches, an inner diameter of 4 inches, and a wall thickness of 1.5 inches. It is produced in a hollowbar shape using a continuous casting method.

Yes, the C-863 bronze alloy offers high bearing strength and excellent wear resistance, making it ideal for gears, hydraulic parts, and other high-load, high-speed applications.

The hollowbar is available in lengths of 12, 24, and 72 inches, with corresponding shipping weights of approximately 100 lb, 200 lb, and 601 lb respectively.

Yes, the bronze hollowbar is DFARS compliant and is sourced domestically, providing assurance for government and defense-related projects.

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