Specifies a method for determining the ear height of metal sheet and strip of nominal thickness from 0,1 mm to 3 mm after deep drawing by measuring the height of any earing with an accuracy of ?0,05 mm.
ISO 11531:1994 history
2022ISO 11531:2022 Metallic materials — Sheet and strip — Earing test
2015ISO 11531:2015 Metallic materials - Sheet and strip - Earing test