This part of EN 10132 applies to non-alloy and alloy cold rolled narrow steel strip thicknesses up to 6 mm; non-alloy and alloy cold rolled narrow steel strip in the quenched and tempered condition in thicknesses between 0,30 mm and 3,00 mm
EN 10132-4:2000 history
2000EN 10132-4:2000 Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications