ASME STP-PT-025 EXTENDED FATIGUE EXEMPTION RULES FOR LOW CR ALLOYS INTO THE TIME-DEPENDENT RANGE FOR SECTION VIII DIV 2
Данный раздел/документ содержится в продуктах:
- Техэксперт: Машиностроительный комплекс
- Картотека зарубежных и международных стандартов
- CEN CEN/TR 13931 Rotodynamic pumps - Forces and moments on flanges - Centrifugal, mixed flow and axial flow horizontal and vertical shafts pumps - Incorporating Corrigendum June 2010
- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
- ISO 1940-1 CORR 1 Mechanical vibration — Balance quality requirements for rotors in a constant (rigid) state — Part 1: Specification and verification of balance tolerances TECHNICAL CORRIGENDUM 1 - Second Edition
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- CEN CEN/TR 13931 Rotodynamic pumps - Forces and moments on flanges - Centrifugal, mixed flow and axial flow horizontal and vertical shafts pumps - Incorporating Corrigendum June 2010
- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
- ISO 1940-1 CORR 1 Mechanical vibration — Balance quality requirements for rotors in a constant (rigid) state — Part 1: Specification and verification of balance tolerances TECHNICAL CORRIGENDUM 1 - Second Edition
- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
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- CEN CEN/TR 13931 Rotodynamic pumps - Forces and moments on flanges - Centrifugal, mixed flow and axial flow horizontal and vertical shafts pumps - Incorporating Corrigendum June 2010
- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
- ISO 1940-1 CORR 1 Mechanical vibration — Balance quality requirements for rotors in a constant (rigid) state — Part 1: Specification and verification of balance tolerances TECHNICAL CORRIGENDUM 1 - Second Edition
- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
- CEN CEN/TR 13931 Rotodynamic pumps - Forces and moments on flanges - Centrifugal, mixed flow and axial flow horizontal and vertical shafts pumps - Incorporating Corrigendum June 2010
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- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
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- CEN EN ISO 5198 Centrifugal, Mixed Flow and Axial Pumps - Code for Hydraulic Performance Tests - Precision Class
- CEN EN ISO 5198 Centrifugal, Mixed Flow and Axial Pumps - Code for Hydraulic Performance Tests - Precision Class
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- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
- ISO 1940-1 CORR 1 Mechanical vibration — Balance quality requirements for rotors in a constant (rigid) state — Part 1: Specification and verification of balance tolerances TECHNICAL CORRIGENDUM 1 - Second Edition
- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
- BSI BS EN 13275 Cryogenic Vessels - Pumps for Cryogenic Service
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- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
- ISO 1940-1 CORR 1 Mechanical vibration — Balance quality requirements for rotors in a constant (rigid) state — Part 1: Specification and verification of balance tolerances TECHNICAL CORRIGENDUM 1 - Second Edition
- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
- CEN EN ISO 9908 Technical specifications for centrifugal pumps - Class III - Incorporates Amendment A1: 2011
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- Картотека зарубежных и международных стандартов
ASME International
EXTENDED FATIGUE EXEMPTION RULES FOR LOW CR ALLOYS INTO THE TIME-DEPENDENT RANGE FOR SECTION VIII DIV 2
N STP-PT-025
Annotation
A number of alloys have applications slightly into the creep range that are in cyclic service, such as process reactors. The 2007 edition of Section VIII, Div 2 [1] provides allowable stresses for these materials, which may be controlled by creep properties. However, the fatigue design rules and fatigue exemption rules are not applicable, precluding construction of vessels using these materials at temperatures above 370°C (700°F). This report provides a simplified approach for exemption of low chrome alloys from fatigue analysis that are slightly into the creep range.
Автоматический перевод:
РАСШИРЕННОЕ ОСВОБОЖДЕНИЕ УСТАЛОСТИ УПРАВЛЯЕТ ДЛЯ НИЗКИХ СПЛАВОВ CR В ДИАПАЗОН С ВРЕМЕННОЙ ЗАВИСИМОСТЬЮ ДЛЯ ОТДЕЛЕНИЯ РАЗДЕЛА VIII 2
Много сплавов имеют заявления немного в диапазон сползания, которые находятся в циклическом обслуживании, таком как реакторы процесса. Выпуск 2007 года Раздела VIII, Отделение 2 [1] обеспечивает допускаемое напряжение для этих материалов, которыми могут управлять свойства сползания. Однако правила дизайна усталости и правила освобождения усталости не применимы, устраняя строительство судов с помощью этих материалов при температурах выше 370°C (700°F). Этот отчет обеспечивает упрощенный подход для освобождения низких хромовых сплавов от анализа усталости, которые являются немного в диапазон сползания.



