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
8
Wall
0.5
Inner Diameter
7
Alloy
863
Production Method
Continuous Cast
Metal Type
Bronze
Shape
Hollowbar
Brand
Spectrum Machine
Weight/Lineal Foot
50.08 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
Info

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 8 inches, an inner diameter of 7 inches, and a wall thickness of 0.5 inches. It is produced in a hollowbar shape using a continuous casting method.

Yes, the C-863 alloy is known for its high bearing strength and wear resistance, making it ideal for applications involving high loads and speeds such as gears and hydraulic parts.

Yes, the hollowbar is available in multiple cut lengths including 12, 24, and 72 inches, with all sizes currently in stock and ready to ship.

Yes, this product is DFARS compliant and is domestically sourced, ensuring it meets regulatory requirements for defense-related applications.

Yes, a Material Test Report (MTR) is available for this bronze hollowbar, providing detailed certification of its material properties.

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