ASTM A 913 Grade 70 Structural and constructional steels
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ASTM A 913 Grade 70 Chemical Composition
A913/A913M: 2019 / Standard Specification for High Strength Low Alloy Steel Shapes of Structural Quality, Produced by Quenching and Self Tempering Process (QST)
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ASTM A 913 Grade 70 Physical Properties
Temperature
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ASTM A 913 Grade 70 Heat Treatments
- Due to the inherent characteristics of the QST process, the shapes shall not be formed and post weld heat treated at temperatures exceeding 595°C (1100°F).The shapes shall be produced by the quenching and self-tempering process (QST). Following rapid quenching to achieve a surface temperature below the martensite start temperature, Ms, the shapes shall be allowed to auto-temper to a self-tempering temperature (STT) that shall be 595°C (1100°F) minimum and 705°C (1300°F) maximum. The STT shall be reported on the mill test report.
ASTM A 913 Grade 70 Mechanical Properties
Temperature
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ASTM A 913 Grade 70 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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- 18Cross References
- 12Composition
- 4Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- 85Joints
- -Coatings
- 74Dimensions
- 1Tribology
- 8491Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- -Total Suppliers