ASTM A 234 Grade WPC Structural and constructional steels
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ASTM A 234 Grade WPC Chemical Composition
A234/A234M: 2024 / Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service
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ASTM A 234 Grade WPC Physical Properties
Temperature
This material has 57 properties — only a subset is shown here.
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ASTM A 234 Grade WPC Heat Treatments
- Hot-formed fittings upon which the final forming operation is completed at a temperature above 620°C (1150°F) and below 980°C (1800°F) need not be heat-treated provided they are cooled in still air.
Hot formed or forged fittings finished at temperature in excess of 980°C (1800°F) shall subsequently be annealed, normalized, or normalized and tempered.
Fittings produced by locally heating a portion of the fitting stock to any temperature for forming shall be subsequently annealed, normalized, or normalized and tempered.
Cold-formed fittings, upon which the final forming operation is completed at a temperature below 620°C (1150°F), shall be normalized, or shall be stress relieved at 595 - 690°C (1100 - 1275°F).
Cold-finished bars reduced in cross-sectional area more than 10% by cold drawing or cold rolling are not acceptable for use in the manufacture of these fittings unless the bars have been either stress relieved in the temperature range of 595 to 675 °C (1100 to 1250°F), normalized, normalized and tempered, or fully annealed. Mechanical testing must be performed subsequent to the final heat-treating operation.
Liquid quenching followed by tempering shall be permitted by the purchaser with the minimum tempering temperature 595°C (1100°F).
ASTM A 234 Grade WPC Mechanical Properties
Temperature
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ASTM A 234 Grade WPC 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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- 7Cross References
- 12Composition
- 7Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- 7Creep
- -Joints
- -Coatings
- 13Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 7Total Suppliers