Low-Alloy High-Strength Steel for Boiler Tubes (LowC-9Cr-2Mo)
- 1 May 1976
- journal article
- Published by ASME International in Journal of Pressure Vessel Technology
- Vol. 98 (2) , 173-178
- https://doi.org/10.1115/1.3454356
Abstract
High-strength steel tube HCM9M (LowC-9Cr-2Mo) steel, which shows the intermediate high-temperature strength between austenitic stainless steels and commercial low-alloy steels, has been developed. It has superior weldability, workability and oxidation resistivity. At present HCM9M tubes have been in-service test as reheater and superheater tubing at the 165,000 kW boiler in Japan without trouble. This report deals with the practical properties of HCM9M steel, service test experience and high temperature strengthening mechanism of the steel from morphological viewpoint of carbide.Keywords
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