Low Zinc Silicon Brass – Copper Alloy UNS C87600

Nov 12 2012

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal properties
Other Designations

Introduction

Low zinc silicon brass – copper alloy UNS C87600 is an alloy of copper and silicon. Brass is used in architecture for its attractive color.

The following datasheet provides chemical composition and properties of the UNS C87600 alloy.

Chemical Composition

The chemical composition of the UNS C87600 alloy is given in the following table.

Element Content (%)
Cu 90
Zn 5.5
Si 4.5

Physical Properties

The following table details the physical properties of the UNS C87600 alloy.

Properties Metric Imperial
Density 8.30 g/cm3 0.300 lb/in³

Mechanical Properties

The mechanical properties of the UNS C87600 alloy are shown in the following table.

Properties Metric Imperial
Elastic modulus 117 GPa 16969 ksi
Poisson's ratio 0.34 0.34
Hardness, Rockwell B 76 76
Hardness, Brinell 110 110
Tensile strength 455 MPa 66000 psi
Yield strength 220 MPa 31900 psi
Elongation at break 20.00% 20.00%
Machinability 40 40
Compressive strength 415 MPa 60200 psi

Thermal properties

The following table discusses the thermal properties of the UNS C87600 alloy.

Properties Metric Imperial
Thermal conductivity (@20.0 °C/68.0°F) 28.4 W/mK 197 BTUin/hr.ft².°F

Other Designations

Equivalent designations to the UNS C87600 alloy include:

  • ASTM B30
  • ASTM B584
  • ASTM B763

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