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What is Boron Steel: Properties and Applications about?

Boron is added to steel in small amounts to improve hardenability. It can be added as ferroboron, which is 18% boron, or as proprietary alloys containing both boron and oxygen/nitrogen scavengers like titanium. The optimal amount of boron to add is between 0.0003-0.0030% to maximize hardenability. Boron solubility in iron decreases with lower temperatures, with a maximum solubility of 0.0021% at 906°C. Boron improves properties by forming iron boride or dispersing as fine particles at grain boundaries.

Author
Aara Megh
Language
EN

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