Chemical element, P, density 1.8 g/cm³ (non metal). Embrittles steel material and is therefore combined with a limy slag when refining raw iron containing phosphorous. Machining steel contains a certain amount of P. In low alloyed steel P affects atmospheric corrosion. Phosphorous enhancement on grain boundaries is the reason for temper embrittlement. Phosphor alloyed high strength deep drawn steel is a modern lightweight solution in the car industry.
A put option is the right to sell a certain item or value (e.g. a stock) at a predetermined fixed price, “strike price”, during (American Option) or at the end of (European Option) the contract period.
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