Steel Specifications

International Steel Grades

BS Steel EN Steel AISI UNS Steel DIN Steel Werkstoff Steel
BS Steel BS970 EN Steel AISI Steel DIN Steel Werkstoff Steel
UNS Steel
ASTM Steel

National Steel Standards

National Standards

Tool Steel Brand Names

Tool Steel Names

International Steel Standards

Steel grades differ from country to country and for your help and guidance we offer a comparison showing international steel specification and standards for our most popular steel specifications.


Steel Database

In addition to our published online specifications we also offer a comprehensive offline database of specialist and rare steel grades. Our database has been compiled over the last 40 years and offers knowledge of hard to find steel grades and alternative standards. Please contact our experienced sales team to discuss your requirements.

We have acknowledged expertise to solve your steel problems.

Click here to contact our experienced sales team who will assist you with your enquiry.

We hold the stock, not you…
To compliment our wide stock range West Yorkshire Steel offer a cutting and grinding service, and with this we find that the majority of our steel grades are supplied as cut pieces. Whether it’s bandsaw, flame cut or plasma cut, black or ground we can quote and supply our wide range of steel grades to your bespoke sizes and requirements, regardless of whether it’s a one-off or multiple cut pieces. This saves you buying any material surplus to requirements.  Please provide full details when contacting our sales team providing them with sizes, quantities and specifications required.