SEDL / STP / STP522-EB / STP36507S

Effect of Elevated Temperatures on the Properties of Nitrogen-Bearing Type 216 Steel

Chivinsky, JA
Senior metallurgist, Allegheny Ludlum Steel Corp., Div. of Allegheny Ludlum Industries, Inc., Leechburg, Pa.

Pages: 11    Published: Jan 1973

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Abstract

Preliminary data indicate that Type 216, a high-nitrogen and molybdenum-bearing austenitic stainless steel offers improved strength over conventional Type 316 to temperatures approaching 1350 F (732 C). However, impact and intergranular corrosion tests conducted on the material suggest that Type 216 may be restricted to service temperatures near 1200 F (649 C). The superior strength of Type 216, coupled with its excellent corrosion properties, makes it attractive for application in the process industries (chemical, petrochemical, pulp, paper, etc.) as well as marine and space markets.