Lead-Calcium (PbCa) Alloy

Jul 9 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Applications

Introduction

Lead-calcium alloys are commonly used for their superior mechanical properties when compared with pure lead. Some minor elements such as aluminum, silver, bismuth and some alkaline earth metals are also added to lead-calcium alloys to improve the alloy properties and the battery performance.

The following datasheet will provide an overview of lead-calcium alloy.

Chemical Composition

The chemical composition of lead-calcium alloy is outlined in the following table.

Element Content (%)
Lead, Pb 99.85-99.97
Calcium, Ca 0.03 to 0.15

Physical Properties

The following table shows the physical properties of lead-calcium alloy.

Properties Metric Imperial
Density 11.34 g/cm3 0.4097 lb/in3

Mechanical Properties

The mechanical properties of lead-calcium alloy are displayed in the following table.

Properties Metric Imperial
Tensile strength 45-48 MPa 6530-6960 psi
Elongation at break 15% 15%

Applications

The following are some of the major applications of lead-calcium alloy:

  • Storage battery grids
  • Casting applications.

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