Copper (UNS C50900)

May 21 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Applications

Introduction

Phosphor Bronzes are alloys of copper. Bronze has played a very significant role in the ancient past such that a period in time has been named the Bronze Age. Addition of small amounts of phosphorus enhances the hardness, fatigue resistance and wear resistance of the copper alloy.

Copper UNS C50900 is a phosphor bronze wrought alloy. The following datasheet discusses the chemical composition and properties of copper UNS C50900.

Chemical Composition

The chemical composition of copper UNS C50900 is given in the following table.

Element Content (%)
Tin, Sn 2.5 - 3.8
Zinc, Zn 0.3 max
Iron, Fe 0.1 max
Lead, Pb 0.05 max
Phosphorus, P 0.03 - 0.3
Copper, Cu Balance

Physical Properties

The following table discusses the physical properties of copper UNS C50900.

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

Applications

Copper UNS C50900 finds application in:

  • Springs
  • Connectors
  • Lead-in wires
  • Transistor components

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