PROPRIETARY 201D (17-4Mn) Stainless steels
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PROPRIETARY 201D (17-4Mn) Chemical Composition
Aperam, Product Data Sheets,
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PROPRIETARY 201D (17-4Mn) Physical Properties
Temperature
This material has 184 properties — only a subset is shown here.
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PROPRIETARY 201D (17-4Mn) Heat Treatments
- Annealing
After forming, annealing for a few minutes at 1050 +/-25°C, followed by water quenching or air cooling, regenerates the structure (recrystallisation and dissolution of carbides) and eliminates internal stresses after the following operations:
- cold forming (work hardening)
- welding (risk of intergranular corrosion in the weld joint). After annealing, pickling followed by passivation is necessary.
Pickling
- Nitric-Hydrofluoric acid mixture (10%HNO3 + 2% HF) at ambient temperature or up to 60°C. Heat treatment and finishing Sulfuric-nitric acid mixture (10% H2SO4 + 0.5%NHO3) at 60°C
- Descaling pastes for weld areas.
Passivation
- 20-25% HNO3 solution at 20°C. Passivating pastes for weld areas.
PROPRIETARY 201D (17-4Mn) Mechanical Properties
Temperature
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PROPRIETARY 201D (17-4Mn) 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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- 59Cross References
- 7Composition
- 56Mechanical Properties
- 7Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- 6Stress-Strain
- 1Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 47Total Suppliers