Interesting facts about Arsenic in steel

AsMelting point 817 °C under pr.Arsenic

Also restricts the γ-phase and is a steel parasite, as it possesses a strong tendency to segregation, in a similar way to phosphorus. Elimination of segregation due to differential annealing is however even more difficult than is the case with phosphorus. In addition, it increases temper brittleness, sharply reduces toughness and impairs weldability.

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