ASME STP-NU-041
- standard by ASME International, 03/31/2011
- Update and Improve Subsection NH - Alternative Simplified Creep-Fatigue Design Methods
- Category: ASME
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Full Description
STP-NU-018 [3] investigated existing creep-fatigue rules to improve the provisions on creep-fatigue
evaluation of Mod.9Cr-1Mo steel in Subsection NH of ASME Boiler and Pressure Vessel Code
Section III [1]. All the rules investigated were based on the time fraction rules.
This report investigates newly proposed creep-fatigue evaluation methods that have not been
employed in exiting codes and procedures, using the data on Mod.9Cr-1Mo steel collected in STPNU-
018 [3]. This report selected the following five promising methods, all of which are more or less
different from the conventional time fraction method, for the investigation:
This report deals with Mod.9Cr-1Mo steel only. However, it is to be noted that other materials such as 316 stainless steels including low-carbon nitrogen added versions and Alloy 800H are also of interest for the development of New Generation Nuclear Plants.
- Modified Ductility Exhaustion Method (MDEM)
- Strain Range Separation Method (SRSM)
- Approach for Pressure Vessel Applications (APVA)
- Hybrid Method of Time Fraction and Ductility Exhaustion (Hybrid)
- Simplified Model Approach (SMT)
This report deals with Mod.9Cr-1Mo steel only. However, it is to be noted that other materials such as 316 stainless steels including low-carbon nitrogen added versions and Alloy 800H are also of interest for the development of New Generation Nuclear Plants.
Product Details
- Published:
- 03/31/2011
- ISBN(s):
- 9780791833643
- Number of Pages:
- 125
- File Size:
- 1 file , 3.4 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus