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UNS C43400
Category Copper Alloy
Class Wrought
Common Names Copper-zinc brass
Designations United States: UNS C43400

Composition
ElementWeight %
Cu  85.0 
Sn  0.7 
Zn  14.3 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 8.8-8.94 25  
Poisson's Ratio 0.34 25  
Elastic Modulus (GPa) 117 25  
Tensile Strength (Mpa) 310-607 25  (flat products) 
Yield Strength (Mpa) 103-517
Elongation (%) 49 
Reduction in Area (%)  
Note: Elongation is measured in 3 inches.
Glossary
STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.