Stabilized ferritic stainless steel for preheater and reheater e

Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium

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148 12EA, 148 37, C22C 3828

Patent

active

043746667

ABSTRACT:
This invention provides two stabilized corrosion resistant ferritic stainless steels particularly suitable for long term use as tubing in the service environments frequently found in moisture separator reheater and feedwater preheater equipment in the steam supply systems of commercial electrical power generating stations.

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Demo, "Structure and Constitution of Wrought Ferritic Stainless Steels" Handbook of Stainless Steels, McGraw-Hill Book Co., 1977, pp. 5-1 to 5-40.
"18Cr-2Mo Ferritic Stainless Steel" Product Brochure of Climax Molybdenum Company.
Bond, A. P. and Lizlovs, E. A. "Intergranular Corrosion of Ferritic Stainless Steels", Jnl. of Electrochem. Soc., 116, #9, (9/69).
Demo, "Weldable and Corrosion-Resistant Ferritic Stainless Steels", Met. Trans., 5 (11/74).
Abo, et al. "The Role of Carbon and Nitrogen on the Toughness and Intergranular Corrosion of Ferritic Stainless Steels", Stainless Steels '77, Climax Molybdenum Co.

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