Corrosion and wear resistant steel

Details Corrosion and wear resistant steel Corrosion and wear resistant steel

C - Chemistry, Metallurgy

22

C

75/99

C22C 38/52 (2006.01) B23K 35/30 (2006.01)

Patent

CA 1296929

ABSTRACT OF THE DISCLOSURE Disclosed is a "duplex" stainless steel especially suited for use in conditions requiring a high degree of wear and corrosion resistance; for example structural fasteners, such as nuts and bolts as used in chemical processing. The alloy typically contains, in weight percent, 12 cobalt, 20 chromium, 11 nickel, 5 silicon, 1.5 molybdenum, 2 copper, up to .2 nitrogen and up to .01 carbon. The "duplex" structure preferably consists of about 30% ferrite and the balance essentially austenite.

541045

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