About Smiths

We are a world-class supplier of engineering raw materials. Our objective is to provide all our customers, from the small machine shop to the large multi-national corporation, a supply path that continuously delivers the highest levels of service, quality and value.

EN3B Steel (070M20)

Engineering Steel

EN3B Engineering Steel

EN3B is a general engineering steel which is suitable in applications where heavy stresses and heat treatment are not involved.

Bright Drawn Steel

It is a bright drawn / turned mild steel with good machinability but poor hardenability, and is used in a variety of general engineering applications. EN3B can be case hardened and is normally used in the supplied condition. The material promotes good weldability characteristics.


EN3B Engineering Steel is suitable for low stress engineering applications and can be case hardened. Offering good machining and welding characteristics, EN3B is intended for general engineering use.

Typical Applications

Commercial applications for this engineering material include:

  • Shafts & rollers
  • Machinery parts
  • Threaded bars
  • Spindles & axles
  • Low stress engineering applications

We stock EN3B in a variety of shapes.

Technical Assistance

Our knowledgeable staff and resident metallurgists will be pleased to assist you further on any technical topic. Smiths Metal Centres Limited also boasts an in-house UKAS Accredited Testing Laboratory which is unique within the multi-metal and plastic stockholding sector. We believe this underlines our total commitment to quality and our ethos of being the complete service provider.

Additional Info

A technical datasheet for EN3B is available in PDF file format. To view and download, please click here.

We offer in-house processing options - for more information, please refer to our processing services.

Read our corporate brochure by clicking here.

You are currently here:
Steel AlloysEngineering SteelEN3B

Interested in this product?
Why not get in touch?


Click Here