: Chemical composition, mechanical properties, physical properties, heat treatment, and international standard comparisons (e.g., matching a German DIN grade to a US AISI equivalent). Target Audience
General structural, nitriding, free-cutting, and spring steels.
For each steel grade listed, the reference provides critical technical parameters: stahlschlussel pdf
The 2025 Edition of Stahlschlüssel is an indispensable tool for mechanical engineering and production departments. It includes:
(internationally known as Key to Steel ) is the absolute definitive cross-reference master guide for decoding steel material numbers, chemical compositions, and standard designations worldwide. Published by Verlag Stahlschlüssel Wegst GmbH since 1951, this monumental reference tool solves one of metallurgy's greatest headaches: deciphering how the exact same steel alloy is named across different international regulatory frameworks. It includes: (internationally known as Key to Steel
The is the world’s most comprehensive cross-reference tool for steel grades and materials, making a Stahlschlüssel PDF or digital edition an indispensable asset for engineers, metallurgists, and manufacturers globally. When working across international supply chains, identifying equivalent materials across different national standards (such as ASTM, DIN, EN, ISO, and JIS) is critical to avoiding structural failures and production delays. What is the Stahlschlüssel?
Density, thermal conductivity, and electrical resistance. The Stahlschlüssel is a trilingual publication
: Provides exact percentage breakdowns of carbon, chromium, nickel, and other alloying elements.
Because the Stahlschlüssel is an incredibly valuable B2B resource, pirated or scanned PDF versions frequently pop up on file-sharing sites and document-hosting platforms. However, relying on an illegal or outdated "free PDF download" poses severe risks to professional operations:
An old blueprint from 1985 calls for "BS 970 080M40." That standard is withdrawn. Search the PDF. The cross-reference shows it is replaced by EN 1.1183 (C40E). You can now order modern steel.
The Stahlschlüssel is a trilingual publication, presented in , making it accessible to a vast international audience.