ASTM A 194 Grade 2 Structural and constructional steels
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ASTM A 194 Grade 2 Chemical Composition
A194/A194M: 2026 / Standard Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
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ASTM A 194 Grade 2 Physical Properties
Temperature
This material has 23 properties — only a subset is shown here.
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ASTM A 194 Grade 2 Heat Treatments
- Stress-relieved at a temperature of at least 538°C (1000°F) after forming or machining from bar with the following exceptions: nuts made by hot forging, nuts machined from hot-forged or hot-rolled bar, nuts machined from hot-forged/hot-rolled and cold finished (max 10% reduction in area) bar, nuts machined from cold-drawn and annealed [(min 538°C (1000°F)] bar.
Sample nuts: The manufacturer shall also perform hardness tests on sample nuts after the following test heat treatment at 540°C (1000°F). After completion of all production heat treatments heat the specimen nuts to the temperatures indicated below for 24h, then slow cool. Test at room temperature.
ASTM A 194 Grade 2 Mechanical Properties
Temperature
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ASTM A 194 Grade 2 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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- 6Cross References
- 5Composition
- 4Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
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