PN 15 Structural and constructional steels
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PN 15 Chemical Composition
PN-H-84019: 1993 / Unalloyed wrought steel for case hardening and for quenching and tempering - Grades
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PN 15 Physical Properties
Temperature
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PN 15 Heat Treatments
- Hardening in water at 910ºC then Tempering in air at 150ºC.
- Heated in the range 1100-850°C, cooled in the water, than normalized at 880-920°C, cooling in the air. Softened at 650-700°C, cooling in the air. Hardened in water or oil at 830-870°C. Carburized at 900-980°C, (carburizing temperature generally not exceed 950° C, for special technologies, for example in vacuum, apply higher carburizing temperature, e.g. 1020 to 1050°C), than cooled in 1.water or oil, 2.furnace or 3. in the air; Hardening B: 1. Core area at 880-920°C, 2.Carburized area at 780-820°C and 3.Centarline area in water or oil. Tempering 1h at 150-200°C.
PN 15 Mechanical Properties
Temperature
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PN 15 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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- 295Cross References
- 18Composition
- 37Mechanical Properties
- 3Physical Properties
- 2Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
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