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EN40B (722M24) Engineering SteelEN40B (722M24)

Engineering Steel

EN40B is a chromium-molybdenum nitriding steel characterised by its suitability for nitriding which promotes high wear resistance.

The material is supplied in the hardened and tempered 'T' condition, EN40B offers good toughness and good ductility. The nitriding process produces a scale free surface with minimal distortion.

Key Features:

EN40B Engineering Steel offers high wear resistance. The alloy also offers good shock resistance and good toughness and ductility. EN40B is supplied in the hardened and tempered 'T' condition. It is classed as a nitriding steel.

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.



Download EN40B (722M24) Engineering Steel Datasheet

Typical Applications:

  • Drills
  • Guides
  • Shafts
  • Gear wheels
  • Bolts and fixings


We offer EN40B (722M24) Engineering Steel in round bar and flat bar. Our processing department within the Smith's Group utilises thirty power saws including fully automated magazine feed CNC rod blanking lines. We can economically cut your material regardless of the volume required.

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To find out more about Smiths Metal Centres extensive range of high engineering steels, click on one of our products on the side menu of this web page.

Have a question or need a detailed quote?

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on 0845 527 3331 or click here to contact us.