UNI 34 NiCrMo 16 Structural and constructional steels
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UNI 34 NiCrMo 16 Chemical Composition
UNI 7874: 1979 / Forged unalloyed or special-alloyed, quenched and tempered or normalized steel flat products
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UNI 34 NiCrMo 16 Physical Properties
Temperature
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UNI 34 NiCrMo 16 Heat Treatments
- Forging: 850-1050°C; Queching: 810-830°C (duration of permanence at hardening must be sufficient so that the transformation of steel structure is complete in whole mass of arc rod the duration should not be less than 1/2 hr.), oil (temperature must be between 15-60°C); Tempering: 550-650°C, at least 1 hour. Jominy test piece hard: 825 +/-5°C (piece must always be normalized before the test). Soft annealing: 640-680°C; Normalizing 830-860°C.
- Hardening: 810-840°C, water or oil cooled; Tempering: 550-620°C, air cooled.
UNI 34 NiCrMo 16 Mechanical Properties
Temperature
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UNI 34 NiCrMo 16 International Equivalent Materials
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- 108Cross References
- 18Composition
- 51Mechanical Properties
- 3Physical Properties
- 3Heat Treatment
- -Metallography
- -Machinability
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- -Fatigue
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