For engineers, quality assurance managers, and purchasing agents, obtaining a is often the first step in solving a critical problem: "I have a steel from a Chinese standard (GB) and a German specification (DIN). Are they equivalent?" or "My customer specified a French AFNOR grade, but my supplier only knows AISI/SAE numbers."
Introduction: What is the "Stahlschlüssel"? In the world of metallurgy, materials science, and industrial procurement, few documents are as revered—or as frequently searched for—as the Stahlschlüssel . Translated from German as "Steel Key," this publication is the essential bilingual (German/English) reference work that cross-references steel grades from over 250 international standards bodies and industrial companies. stahlschlussel pdf