VdTÜV X7NiCrWCuCoNb25-23-3-3-2 Stainless steels
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This material has 93 properties — only a subset is shown here.
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VdTÜV X7NiCrWCuCoNb25-23-3-3-2 Chemical Composition
WB 555: 2025 / Heat-resistant austenitic steel X7NiCrWCuCoNb25-23-3-3-2; Material-No. 1.4990 Seamless tube
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VdTÜV X7NiCrWCuCoNb25-23-3-3-2 Physical Properties
Temperature
This material has 93 properties — only a subset is shown here.
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VdTÜV X7NiCrWCuCoNb25-23-3-3-2 Heat Treatments
- The solution annealing of the finished tube is performed between 1180°C and 1250°C (temperature of the annealing material), sufficiently rapid cooling in water, air or shielding gas.
The material can be cold and hot formed.
Hot forming: After hot forming, solution annealing is needed, if the hot forming has not been performed at controlled temperatures between 1180°C and 1250°C.
Cold forming: Cold-formed tubes must be solution annealed again if they are formed > 20% or have an R/D ratio of ≤ 2,5 when used in the creep range. For reasons related to corrosion it is recommended that repeat solution annealing should be performed, even with lower rates of forming.
VdTÜV X7NiCrWCuCoNb25-23-3-3-2 Mechanical Properties
Temperature
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VdTÜV X7NiCrWCuCoNb25-23-3-3-2 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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- 13Cross References
- 13Composition
- 30Mechanical Properties
- 28Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- 1Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- 1Creep
- -Joints
- -Coatings
- 3Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 3Total Suppliers