The addition of chromium to steel material can significantly improve the oxidation resistance and corrosion resistance of the steel material. Chromium can improve steel performance in many aspects, so it is widely used. The chromium content in ASTM A517 Grade F steel plates is amount to 0.36-0.69 in finished products.
In quenched and tempered structural steel ASTM A517 Grade F, the main function of chromium is to increase the hardenability of the steel material and make the steel A517Gr.F have better comprehensive mechanical properties after quenching and tempering. That is to say, under certain strength level, ASTM A517 Grade F steel plates will have better plasticity and toughness.
Meanwhile, Chromium is an element with a tendency to passivate. Therefore, the addition of chromium to ASTM A517 Grade F steel plates will make A517Gr.F material have better ability to resist corrosion and oxidation resistance.
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