SEDL / STP / STP128-EB / STP41691S

Effect of Sigma on Strength and Ductility of 25 Cr, 20 Ni Steel

Smith, G. V.
Research Laboratory, U. S. Steel Co., Kearny, N. J.

Dulis, E. J.
Research Laboratory, U. S. Steel Co., Kearny, N. J.

Pages: 12    Published: Jan 1953

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Abstract

Sigma in 25 Cr, 20 Ni austenitic stainless steel causes moderate strengthening at room temperature, severe loss in toughness even at temperature as high as 500 F, and moderate loss of creep-rupture strength at 1300 F.