Email this article Study of Reasons for Damage of Steel 45Kh25N20S Centrifugally-Cast Tubes in Reaction-Heater Furnaces
- Authors: Bad’in Y.A.1
-
Affiliations:
- All-Russian Scientific Research and Construction Institute of Equipment for Oil Refining and Petrochemical Industry
- Issue: Vol 54, No 7-8 (2018)
- Pages: 472-481
- Section: Article
- URL: https://journals.rcsi.science/0009-2355/article/view/236326
- DOI: https://doi.org/10.1007/s10556-018-0504-1
- ID: 236326
Cite item
Open Access
Access granted
Subscription Access
Abstract
Factors are analyzed causing damage of reaction-heater furnace centrifugally-cast tubes (of steel 45Kh25N20S). On the basis of a loading model the stress-strained state of a tube close to annular welded joints is calculated and reasons are explained for nonfulfillment of strength conditions due to imperfection of the technology for pipe manufacture and a lack of specifications for the upper strength limit of welded joints with respect to basic metal. Recommendations are provided for preventing tube damage.
About the authors
Yu. A. Bad’in
All-Russian Scientific Research and Construction Institute of Equipment for Oil Refining and Petrochemical Industry
Author for correspondence.
Email: badinyua@vniktinho.ru
Russian Federation, Volgograd
