Sometimes, national or international standards organizations (e.g., ASTM, ISO) provide access to standards and related materials. While not specifically the Stahlschlussel, you might find relevant information on steel classifications.
If you need help identifying a specific material, let me know: stahlschlussel key to steel pdf free
Look through the Uddeholm Tool Steel Pocket Book for a massive breakdown of specialized high-performance tool steel materials. national or international standards organizations (e.g.
The Stahlschlüssel is a highly specialized piece of technical literature. The physical book spans over 800 pages of dense data tables, and the official CD-ROM or online database licenses cost hundreds of dollars. stahlschlussel key to steel pdf free