three-quarters hard

three-quarters hard

[′thrē ¦kwȯrd·ərz ′härd]
(metallurgy)
A temper designation for various nonferrous metals, such as aluminum, copper, and magnesium alloys, expressing degree of hardness achieved by mechanical working.
References in periodicals archive ?
Discussing a merchandise mix that is three-quarters hard lines, one-quarter soft lines, president Gregg Steinhafel stressed the importance of product differentiation and value, and the need to be first to market as the pillars of Target's marketing strategy.