NMX B-197 Grade 8 Structural and constructional steels
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This material has 44 properties — only a subset is shown here.
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NMX B-197 Grade 8 Chemical Composition
NMX-B-197: 1985 / Seamless and welded carbon and alloy steel tubes for low-temperature service
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NMX B-197 Grade 8 Physical Properties
Temperature
This material has 44 properties — only a subset is shown here.
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NMX B-197 Grade 8 Heat Treatments
- Quenched and tempered: Heat to a uniform temperature of 800 ± 15°C; hold at this temperature for a minimum time in the ratio of 2 min/mm of thickness, but in no case less than 15 min; quench by immersion in circulating water. Reheat until the pipe attains a uniform temperature within the range from 565 to 605°C; hold at this temperature for a minimum time in the ratio of 2 min/mm of thickness, but in no case less than 15 min; cool in air or water quench at a rate no less than 165°C/h. Double normalized and tempered: Heat to a uniform temperature of 900 ± 15°C; hold at this temperature for a minimum time in the ratio of 2 min/ mm of thickness, but in no case less than 15 min; cool in air. Reheat until the pipe attains a uniform temperature of 790 ± 15°C; hold at this temperature for a minimum time in the ratio of 2 min/mm of thickness, but in no case less than 15 min; cool in air. Reheat to a uniform temperature within the range from 565 to 605°C; hold at this temperature for a minimum time of 2 min/mm of thickness but in no case less than 15 min; cool in air or water quench at a rate not less than 165°C/h.
NMX B-197 Grade 8 Mechanical Properties
Temperature
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NMX B-197 Grade 8 International Equivalent Materials
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- 25Cross References
- 6Composition
- 9Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- -Total Suppliers