SEDL / STP / STP370-EB / STP47115S

High-Strength Stainless Steels by Deformation at Room Temperature

Floreen, S.
Research associate, International Nickel Co., Sterling Forest, N.Y.

Mayne, C. R.
Product development metallurgist, International Nickel Co., New York, N.Y.

Pages: 7    Published: Jan 1965

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Abstract

Low-silicon stainless steel sheets were rolled 40 per cent at room temperature and heat-treated 24 hr at 800 F. Yield strengths of 240 ksi were obtained in iron-nickel-chromium alloys. Through the use of 7 to 12 per cent cobalt as a supplemental hardener, the yield strengths were increased to 270 ksi. Notch tensile ratios of unity were obtained using NASA-ASTM sheet specimens.