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Abstract

Three basic types of iron-base alloys are disclosed as follows. An iron-base alloy having excellent workability comprising 2 to 60 atomic % of at least one of Ni and Mn, 7.5 to 60 atomic % of Cr, 0.5 to 12 atomic % of Al, 0.5 to 10 atomic % of at least one of C, B and P and the balance consisting substantially of Fe. An iron-base alloy having excellent workability comprising 2 to 60 atomic % of at least one of Ni and Mn, 7.5 to 60 atomic % of Cr, 1 to 15 atomic % of Si, 0.5 to 10 atomic % of at least one of C, B and P and the balance consisting substantially of Fe. Also provided is an iron-base alloy having excellent workability comprising 2 to 60 atomic % of at least one of Ni and Mn, 7.5 to 60 atomic % of Cr, 0.25 to 15 atomic % of Si, 0.5 to 10 atomic % of at least one of C, B and P, 0.02 to 0.5 atomic % of Al, and the balance consisting substantially of Fe. These Fe-base alloys are highly ductile and have high workability. By cold-working, they have very high tensile strength, and superior corrosion resistance and fatigue resistance to conventional Fe-base alloy materials. They are very useful as various industrial materials and composite materials.

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First Claim