beta iron

noun

, Metallurgy.

1. an allotrope of iron, stable between 768°C and 910°C, similar to alpha iron but nonmagnetic.

beta iron

noun

1. a nonmagnetic allotrope of pure iron stable between 770°C and 910°C

Word History and Origins

Origin of beta iron¹

First recorded in 1890–95

Example Sentences

Martensite is usually considered to be a solid solution of cementite in beta iron.

From Project Gutenberg

A quickly quenched carbon steel is mostly martensitic which, as noted, is a solid solution of beta iron and Page 113 cementite, hard and brittle.

From Project Gutenberg