antimonial lead


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antimonial lead

[¦an·tə¦mōn·ē·əl ′led]
(metallurgy)
A lead alloy containing up to 25% antimony and possessing greater hardness and tensile strength than lead; used for storage-battery plates, pipes, cable coverings, and roofing.

antimonial lead, hard lead, regulus metal

An alloy containing 10 to 25% antimony and the balance lead; antimony increases the tensile strength and hardens the lead; used in roofing, tank lining, and cladding, 2.
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