EN 10083-1 EN 10083-1 Steels for quenching and tempering - Part 1: General technical delivery conditions
BS 3111-1:1987 Steel for cold forged fasteners and similar components-Part 1: Specification for carbon and low alloy steel wire BS 3111.1:1987
DIN EN 10027-1992 Designation systems for steels Numerical system English version of DIN EN 10027 Part 2
GB/T 4373.4 Methods for chemical analysis of arsenic;The dithio-diantipyrylmethane photometric method for the determination of bismuth content
