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
4
Wall
1
Inner Diameter
2
Alloy
863
Production Method
Continuous Cast
Metal Type
Bronze
Shape
Hollowbar
Brand
Spectrum Machine
Weight/Lineal Foot
35.58 pounds
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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 4 inches, an inner diameter of 2 inches, and a wall thickness of 1 inch. It is a continuous cast hollowbar shape, suitable for applications requiring this specific sizing.

Yes, the C-863 alloy is known for its high bearing strength and wear resistance, making it ideal for gears, hydraulic parts, and other components that operate under high loads and speeds.

Yes, the hollowbar is available in multiple cut lengths including 12, 24, and 72 inches. You can select the length that best fits your project requirements.

Yes, this bronze hollowbar is DFARS compliant and comes with an available Material Test Report (MTR) to verify its specifications and quality.

This bronze hollowbar is domestically produced and supplied by Spectrum Machine Inc., ensuring compliance with domestic sourcing requirements.

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