Metal Alloys
Alloy Home
Copper Alloys
General Information
Properties
Cu Alloy Types
Cast Alloys
Wrought Alloys
Cu Alloy List
UNS C1xxxx
UNS C2xxxx
UNS C3xxxx
UNS C4xxxx
UNS C5xxxx
UNS C6xxxx
UNS C7xxxx
UNS C8xxxx
UNS C9xxxx
Specific Cu Alloy
General Information
Resources
Bibliography
CNC Machining Design Guide

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

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

more free publications
 
UNS C85700
Category Copper Alloy
Class Cast
Type Leaded naval brass
Designations United States: UNS C85700, ASTM B584

Composition
ElementWeight %
Cu  63 
Sn  1 
Pb  1 
Zn  34.7 
Al  0.3 

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) 345  25  (castings: centrifugal, permanent mold, plaster, sand) 
Yield Strength (Mpa) 124 
Elongation (%) 40 
Reduction in Area (%)  
Hardness (HB500) 75  25  (as cast) 
Glossary
CNC Machining Design Guide

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

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.