NB 20Cr13 Stainless steels
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NB 20Cr13 Chemical Composition
NB/T 20007.18: 2012 / Stainless steel for pressurized water reactor nuclear power plants - Part 18: Rolled or forged martensitic stainless steel parts for class 2 and 3 auxiliary pump drive shafts
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NB 20Cr13 Physical Properties
Temperature
This material has 52 properties — only a subset is shown here.
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NB 20Cr13 Heat Treatments
- Oil quenching with an austenitizing temperature of between 950°C and 1000°C, followed by tempering at a temperature min. 600°C and air or water cooling. In addition, the shafts undergo stabilizing heat treatment at a temperature at least 25°C less than the minimum tempering temperature.
- Quenched at 920 - 980°C, oil cooled. Tempered at 600 - 750°C, fast cooled.
NB 20Cr13 Mechanical Properties
Temperature
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NB 20Cr13 International Equivalent Materials
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Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.
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- 21Cross References
- 14Composition
- 11Mechanical Properties
- 3Physical Properties
- 2Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
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- -Coatings
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- -Tribology
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- -Irradiation
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