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10B38 Alloy Steel Coil Supplier
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10B38 Steel Coil

Siegal Steel offers 10B38 Steel Coil and Cut Lengths. We are experts in this particular grade of steel and can provide the specifications you need. We also offer processing services like oscillate winding and steel slitting

New to 10B38 and not sure it's right for your application?  Our experts would be happy to help!

What is 10B38 Steel?

10B38 Steel is a boron treated medium-carbon steel alloy, designated by the American Iron and Steel Institute (AISI). Because this particular grade of steel has been treated with Boron, it has an increased hardenability – the depth to which it has been hardened following heat-treatment. Due to its unique chemistry, 10B38 steel has the heat-treatable qualities of a high-carbon steel, while maintaining ductility and durability. This makes it a cost-effective alternative to some high-carbon steel alloys.


10B38 Alloy Steel typically contains anywhere between 0.0005% to 0.003% Boron. This allows for a consistent hardness, ductility, and less risk of fracture due to impact.

SAE 10B38 Industries & Applications

Due to its unique properties and cost effectiveness when compared to higher carbon steels, 10B38 finds uses in a number of different industries & applications, such as:

Specifications of 10B38

Siegal Steel can offer 10B38 alloy steel in stock cut to the following specifications:

  • Width: 0.5” – 72”
  • Thickness: 0.080 – 0.312

10B38 Steel is designated by AISI standards, with SAE J 403 equivalence. We offer 10B38 steel alloy in ribbon coils, oscillate coils, and cut lengths.

Have a Question?
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Give us a call at 773-927-7600 or leave us a message.

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5,000 lb Minimum. Credit Verification Required.