Phosphor Bronze UNS C50100 - Wrought Copper Alloy

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations
Applications

Introduction

UNS designations C50100 to C54200 are called phosphor bronzes. Phosphor bronzes are copper alloys containing predominantly tin and phosphorous. Tin provides these alloys increased corrosion resistance and strength, while phosphorous provides them increased wear resistance and stiffness.

Copper UNS C50100 is a wrought alloy. The following datasheet discusses the chemical composition and properties of copper UNS C50100.

Chemical Composition

The chemical composition of UNS C50100 copper alloy is displayed in the following table.

Element Content (%)
Tin, Sn 0.50-0.8
Lead, Pb 0.05
Iron, Fe 0.05
Copper, Cu Balance

Physical Properties

The following table discusses the physical properties of copper UNS C50100.

Properties Metric Imperial
Density 8.9 g/cm3 0.323 lb/in3

Mechanical Properties

The mechanical properties of UNS C50100 copper tube (O61-temper) are tabulated below.

Properties Metric Imperial
Tensile strength 280 MPa 40 ksi
Yield strength 80 MPa 11 ksi
Elongation 40% 40%
Hardness, Rockwell (30T) 35 35

Other Designations

Equivalent material to copper UNS C50100 alloy is ASTM B105.

Applications

Copper UNS C50100 finds application in the following:

  • Electrical products
  • Sleeve bearings
  • Thrust washers and spring washers
  • Cam followers.

 

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