SYMPOSIA PAPER Published: 01 January 1967

Effects of Residual Elements on the General Corrosion Resistance of Austenitic Stainless Steels


A literature review and new experimental data are presented on the effects of residual elements (boron, carbon, nitrogen, silicon, phosphorus, sulfur, aluminum, cobalt, copper, molybdenum, columbium, and titanium) on the general corrosion resistance of the austenitic Cr-Ni stainless steels. Only molybdenum, copper, and cobalt are considered beneficial; boron less than 0.006 per cent may help resist intergranular corrosion; boron greater than 0.010 per cent, silicon, carbon, and sulfur are detrimental, while nitrogen, phosphorus, aluminum, columbium, and titanium may either be “neutral” or detrimental depending upon concentrations, heat treatments, and “cleanness” of the melt.

Author Information

Scharfstein, L.
The Carpenter Steel Co., Reading, Pa.
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Developed by Committee: A01
Pages: 90–104
DOI: 10.1520/STP48439S
ISBN-EB: 978-0-8031-5992-1
ISBN-13: 978-0-8031-6636-3