NB 18MnNiMo Structural and constructional steels
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This material has 140 properties — only a subset is shown here.
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NB 18MnNiMo Chemical Composition
NB/T 20006.6: 2011 / Alloy steel for pressurized water reactor nuclear power plants - Part 6: Mn-Ni-Mo steel forgings for PWR steam generator tube plates
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NB 18MnNiMo Physical Properties
Temperature
This material has 140 properties — only a subset is shown here.
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NB 18MnNiMo Heat Treatments
- The heat treatment, should include the following process:
- austenitizing at a temperature between 850°C and 925°C,
- quenching by immersion in water or by spraying,
- tempering at a temperature selected so as to obtain the required properties, followed by still air cooling. Holding temperature for tempering shall be between 635°C and 665°C. - The heat treatment, should include the following process:
- austenitizing at a temperature between 850°C and 925°C,
- quenching by immersion in water,
- tempering at a temperature selected so as to obtain the required properties, followed by still air cooling. Holding temperature for tempering shall be between 635°C and 665°C.
NB 18MnNiMo Mechanical Properties
Temperature
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NB 18MnNiMo 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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- 9Cross References
- 85Composition
- 36Mechanical Properties
- 3Physical Properties
- 5Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
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- -Tribology
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- -Irradiation
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