Abrasion and corrosion resistant alloys

Details Abrasion and corrosion resistant alloys Abrasion and corrosion resistant alloys

1993-04-22

1995-02-14

Yee, Deborah

Alloys or metallic compositions

Containing over 50 per cent metal but no base metal

Iron containing

4205861, C22C 3000

Patent

active

053893344

ABSTRACT:
The present invention is directed to air-meltable, tough alloys that are especially resistant to the abrasion and corrosion of wet-process phosphoric acid reactor fluids or slurries, especially those having a high fluoride ion concentration. The instant alloys consist of, by weight, about 22% to about 35% nickel, about 29% to about 35% chromium, about 2% to about 6% molybdenum, about 1% to about 4% copper, about 0.4% to about 1.2% carbon up to about 1.5% each of manganese and silicon and the balance essentially iron plus the usual minor impurities.

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Niu Hong-jun et al., Heat-Resisting Materials, Proceedings of the First International Conference, Fontana, Wisc., USA/23-26, Sep. 1991, pp. 269-274.

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