Chloride Group Limited

John L Dawson

John McWhinnie

A lead alkaline earth metal alloy comprising lead, calcium, barium or strontium or mixtures thereof in an amount of 0.075A/40% to 0.13A/40% by weight where A is the atomic weight of alkaline earth metal 0.005% to 0.05% magnesium and preferably 0.005% to 0.01% aluminium is disclosed and has improved corrosion resistance combined with tensile strength as compared to alloys with magnesium and aluminium contents outside these defined ranges. The alloy is useful for grids in lead acid electric storage batteries.

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Swinton, United Kingdom

John L Dawson