Interesting facts about Boron in steel

BMelting point 2300 °CBoron

As boron possesses a high cross section for neutron absorption, it is used to alloy steels for controllers and shields of atomic energy plants. Austenic 18/8 CrNi steels can be raised to increased yield point and strength with boron by means of precipitation hardening, but corrosion resistance is reduced in the process. Precipitation induced by boron increases the strength properties of high-temperature austenic steel types in the high temperature range. In structural steels, this element improves through hardening and thus causes an increase in core strength in case-hardening steels. A reduction in weldability must be expected in boron alloyed steels.

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