ASTM A 542 Type A Class 2 Structural and constructional steels
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ASTM A 542 Type A Class 2 Chemical Composition
A542/A542M: 2025 / Pressure Vessel Plates, Alloy Steel, Quenched-and-Tempered, Chromium-Molybdenum, and Chromium-Molybdenum-Vanadium
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ASTM A 542 Type A Class 2 Physical Properties
Temperature
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ASTM A 542 Type A Class 2 Heat Treatments
- Heating to a suitable austenitizing temperature, holding for a sufficient period of time to attain uniform temperature throughout the thickness, and quenching in a suitable liquid medium by spraying or immersion. After quenching, the plates shall be tempered to produce the specified tensile requirements by heating to a suitable temperature and holding for a period of time of not less that 1.2 min/mm of thickness but not less than 0.5 h. The minimum tempering temperature shall be: 565°C (1050°F)
Plates over 100 mm in thickness shall receive a prior heat treatment of normalizing at, or water quenching from, a temperature within the range from 900 to 1010°C (1650 to 1850°F).
Plates ordered without the heat treatment shall be furnished in either the stress-relieved or the annealed condition. Minimum stress relieving temperature shall be 565°C (1050°F).
ASTM A 542 Type A Class 2 Mechanical Properties
Temperature
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ASTM A 542 Type A Class 2 International Equivalent Materials
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- 185Cross References
- 10Composition
- 3Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 34Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 143Total Suppliers