Technical Knowledge
Tool Steel & Alloy Steel Technical Guides | JFS Steel
Practical guides on tool steel, alloy steel, bearing steel and free machining steel: grade selection, equivalents and heat treatment.
Special Steel Technical Knowledge
Practical guides from JFS Steel's experience in special steel supply, cut-to-length service and precision machining. Topics cover grade selection, steel grade equivalents, heat treatment and what to confirm before you source, written for design engineers and buyers.
Articles
New articles are coming soon.
Useful Tools
- Steel Grade Equivalent Chart: approximate equivalents across JIS, AISI and EN standards
- Steel Database: chemical composition and specifications by grade
- Applications: recommended steels for gears, spindles, drive shafts and more
Need help choosing a grade or planning machining? Contact us with your drawing and application details.

