ASTM A 21 Grade U Structural and constructional steels
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This material has 19 properties — only a subset is shown here.
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ASTM A 21 Grade U Chemical Composition
A21: 1994 / Carbon Steel Axles, Non-Heat-Treated and Heat-Treated, for Railway Use
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ASTM A 21 Grade U Physical Properties
Temperature
This material has 19 properties — only a subset is shown here.
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ASTM A 21 Grade U Heat Treatments
- Straightening of axles shall be done before machining. Straightening shall preferably be performed at a temperature no lower than 510°C (950°F) and shall be followed by a furnace stress-relieving procedure.
ASTM A 21 Grade U Mechanical Properties
Temperature
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ASTM A 21 Grade U 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
- -Total Suppliers