ASTM A 541 Grade 1A Structural and constructional steels
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ASTM A 541 Grade 1A Chemical Composition
A541/A541M: 2005 / Standard Specification for Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components
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ASTM A 541 Grade 1A Physical Properties
Temperature
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ASTM A 541 Grade 1A Heat Treatments
- After complete austenitization, the forgings shall be quenched in a suitable liquid medium by spraying or immersion. Quenching shall be followed by tempering at a subcritical temperature and holding at this temperature for a minimum time of 0.5 h/25 mm of maximum section thickness. Minimum tempering temperatures shall be 620°C (1150°F).
A multiple stage austenitizing procedure may be used whereby the forging is first fully austenitized and liquid quenched, followed by reheating within the intercritical temperature range to partially reaustenitize, and again liquid quenched. On completion of the austenitizing/quenching cycles, the forgings shall be tempered at a subcritical temperature of 620°C (1150°F).
ASTM A 541 Grade 1A Mechanical Properties
Temperature
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ASTM A 541 Grade 1A International Equivalent Materials
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- 136Cross References
- 9Composition
- 5Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- 83Joints
- -Coatings
- -Dimensions
- 1Tribology
- 8491Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 123Total Suppliers