The Key to Steel - Vol. 26, Handbook 2025

2025 EDITION

The worldwide most competent cross reference book (DIN A4 format), 26. edition 2025 

The updated Key to Steel (Stahlschlüssel/Stahlschluessel) cross-reference book helps to decode/decipher steel designations and find equivalent materials worldwide. The 2025 edition is updated and expanded in many areas, including more than 75,000 standards and steel-brands of approximately 300 steelmakers and suppliers. The presentation is trilingual: English, French, and German. (Where it was possible, former or obsolete designations were retained for reference purposes.)

This indispensable reference is ideal for: mechanical engineers, designers, technical merchants, standards departments, materials testing departments, and more

The Key to Steel - Stahlschluessel cross reference book will help you to decode / decipher steel designations and find equivalent materials worldwide.

More than 70 000 standards and steel-brands of approx. 300 steelworks and suppliers

CONTENTS

Trilingual:     German | English | French

• Standard Number Arrangement in numerical order

• Who Supplies Which Steel

• Table of Suppliers

• Table of Shape and Condition of Products

• Index of Brand Names in alphabetical order

Categories contained

• Structural and constructional steels
  General structural steel, case hardening steel, nitriding steel, free cutting-steel, heat-treatable steel, ball and roller bearing steel, spring steel, steel for superficial hardening, steel for cold extrusion, tough at subzero steel, pressure vessel steel, heat resisting structural steel, fine grained structural steel
• Tool steels
  Carbon tool steel, high speed steel, hot work tool steel, cold work tool steel
• Valve steels
• High-temperature steels and alloys
• Non-magnetizable steels
• Heat-resisting steels and alloys
• Heat conducter alloys
• Stainless steels
• Stainless and heat-resisting steel castings
• Welding filler materials

Detailed compositions and cross referenced standards and designations

ACI, AFNOR NF, AISI, AMS, AS/NZS, ASME, ASTM, AWS, BDS, BS, CSA, CŠN, EN, FEDERAL, GB, GOST, IS, ISC, ISO, JB, JIS, KS, MIL, MSZ, NS, ÖNORM, PN, SAE, SANS, SRPS (JUS), SS, STAS/SR, STN, UNE, UNI, UNS, YB

Standards and designations from 25 countries

Australia, Austria, Brazil, Bulgaria, Canada, China, Czech/Slovak Republic, Finland, France, Germany, Great Britain, Hungary, India, Italy, Japan, Republic of Korea, Norway, Poland, Romania, Russia, Serbia, South Africa, Spain, Sweden, USA

Indispensable for

• the mechanical engineer
• the designer
• the technical merchant
• the storekeeper
• the standards department
• the production
• the export department
• the heat-treatment department
• the purchaser
• the material testing department
• everyone dealing with steel

Publisher: Verlag Stahlschlüssel Wegst GmbH

Published: 2025

Pages: 896

ISBN: 978-3-922599-38-8