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Metal > BoronB - Boron Black amorphous boron powder was isolated from borax by Joseph Louis Gay-Lussac (with Thenard) and independently by Davy in 1808. Hard, red crystals of pure boron were not produced for almost one hundred years. Aluminum borohydride and boron trihydride are used as reducing agents in organic chemistry. The addition of boron in the range 0.0005- 0.005% to certain steels increases the hardenability. A range of boron steels is now listed in the current BS 970 and are widely used for the production of cold headed
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