DIN 1.7766 Structural and constructional steels
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DIN 1.7766 Chemical Composition
WB 166: 2001 / Compressed hydrogen resistant heat resisting rolled steel, 17 CrMov 10 tempering grades I and II, material No. 1.7766
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DIN 1.7766 Physical Properties
Temperature
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DIN 1.7766 Heat Treatments
- Hardening and tempering (for both class): At 950 to 980°C, after reaching the temperature in the whole cross-section, quenching in air, oil or water (spray). Tempering at 650 to 730°C, holding time 2 min. per mm product thickness, at least 2h and cooling in air. Stress reliving (for both class): at 600 to 650°C, holding period for 2 min. per mm thickness of product, at least 30 min. and still cooling in air.
- Soft annealed at 680-730°C
Hardened at 950-980°C, cooled in air or quenched in oil
Tempered at 630-700°C
DIN 1.7766 Mechanical Properties
Temperature
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DIN 1.7766 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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- 4Cross References
- 16Composition
- 28Mechanical Properties
- 112Physical Properties
- 2Heat Treatment
- -Metallography
- -Machinability
- 2Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- 1Creep
- 2Joints
- -Coatings
- 12Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 2Total Suppliers