Understanding Brass Alloys: Properties & Grades

Category: Technical Education | Published: 2026-04-04 | By: Divine Brass Industries

Brass is a copper-zinc alloy whose properties can be precisely engineered by varying the zinc content and adding other elements. Understanding brass alloys is essential for selecting the right material for your application.

Common Brass Alloys

C36000 - Free Cutting Brass

The most machinable brass, containing 35% zinc and 3% lead. Ideal for precision turned parts with excellent surface finish.

C26000 - Cartridge Brass

70% copper, 30% zinc. Excellent ductility and formability, perfect for applications requiring deep drawing or bending.

C46400 - Naval Brass

Contains 1% tin for enhanced corrosion resistance. Perfect for marine applications and water handling.

C69300 - Silicon Brass

High-strength alloy with excellent castability. Suitable for valve bodies and pump components.

Alloy Selection Guide

ApplicationRecommended Alloy
Precision Machined PartsC36000
Plumbing FittingsC27400, C27450
Marine ComponentsC46400
Electrical TerminalsC26000, C26800
Valve ComponentsC69300

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