Free Cutting Bearing Bronze UNS C67300

Nov 12 2012

Topics Covered

Introduction
Chemical Composition
Mechanical Properties
Other Designations
Applications

Introduction

UNS C67300 free cutting bearing bronze alloy has high corrosion resistance and strength.

The following datasheet gives an overview of UNS C67300 alloy.

Chemical Composition

The following table shows the chemical composition of UNS C67300 alloy.

Element Content (%)
Cu 59.5
Pb 1
Mn 2.5
Si 1
Zn 36

Mechanical Properties

The mechanical properties of UNS C67300 alloy are outlined in the following table.

Properties Metric Imperial
Hardness, Rockwell B 86 86
Tensile strength at break 586 MPa 85000 psi
Yield strength 455 MPa 66000 psi
Elongation at break 16 16
Machinability (UNS C36000 = 100) 70 70

Other Designations

Other designations that are equivalent to UNS C67300 alloy include:

  • SAE J461
  • SAE J463

Applications

UNS C67300 alloy is widely used in bearings, and heavy-duty mechanical components. It is also used in pump components and valve stems.

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