Tensile strength (Rm), Yield strength (Rp0.2), Elongation (A%), and Hardness (HB/HRC) are listed for various heat treatment states (annealed, quenched, tempered).

The publication utilizes a unique coding system that groups steels by chemical composition and application, allowing for rapid classification even when the exact grade is unknown.

The is the most current version, featuring expanded data on over 95,000 steel brands and standards from approximately 300 steelworks and suppliers. It is presented trilingually in English, German, and French .

: Both digital versions allow users to generate and print PDF material data sheets for specific steel grades, which include chemical analysis and mechanical properties. Key Features of the 2025 Edition

The is widely considered the world's most authoritative cross-reference manual for steel materials. Published by Verlag Stahlschlüssel Wegst GmbH since 1951, it allows engineers and manufacturers to decode steel designations and find equivalent materials globally. Latest Edition & Formats (2025)