C-903: Often referred to as “Navy Bronze.” Known for resistance to corrosion, this alloy is stronger than red brasses. Material of choice for many bearings, fittings, valves and gears for all Naval vessels.
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 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.
Diameter
4.5
Alloy
903
Production Method
Continuous Cast
Metal Type
Bronze
Shape
Bar-Round
Brand
Spectrum Machine
Weight/Lineal Foot
63.5 pounds

This bronze round bar, alloy 903, often called Navy Bronze, is highly resistant to corrosion and stronger than red brasses. It is commonly used for bearings, fittings, valves, and gears, especially in naval vessels.

Yes, the bar is available in multiple lengths including 12", 24", and 72" cuts. Custom cut options are supported, and each length has its own pricing and shipping weight.

Yes, this bronze round bar is DFARS compliant and comes with a Material Test Report (MTR) available for quality assurance.

Shipping weight varies by length: approximately 64 lb for 12", 127 lb for 24", and 381 lb for 72" lengths.

Yes, this product is domestically sourced and manufactured by Spectrum Machine Inc.

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