Low Zinc Silicon Brass – Copper Alloy UNS C87610

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations

Introduction

Low zinc silicon brass – copper alloy UNS C87610 is an alloy of copper and silicon. Brass is a preferred material in architecture due to its attractive color.

The following datasheet provides chemical composition and properties of UNS C87610 alloy.

Chemical Composition

The chemical composition of UNS C87610 alloy is given in the following table.

Element Content (%)
Cu 90
Zn 3-5
Si 3-5
Pb  0.200
Mn  0.250
Fe  0.200
Other  0.500

Physical Properties

The following table details the physical properties of UNS C87610 alloy.

Properties Metric Imperial
Density 8.40 g/cm3 0.303 lb/in³

Mechanical Properties

The mechanical properties of UNS C87610 alloy are shown in the following table.

Properties Metric Imperial
Hardness, Brinell 85 85
Tensile strength 380 MPa 55100 psi
Yield strength 170 MPa 24700 psi
Elongation at break 30% 30%
Machinability 40 40
Compressive strength 125 MPa 18100 psi
Shear strength 193 MPa 28000 psi
Izod impact 45.0 J 33.2 ft.lb

Other Designations

Equivalent designations to UNS C87610 alloy include:

  • ASTM B30
  • ASTM B584
  • ASTM B763

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