General Studies · Material Science
मशीनिंग के दौरान उत्पन्न होने वाले उच्च तापमान पर भी अपनी कठोरता को बनाए रखने की एक कटिंग टूल स्टील की क्षमता को क्या कहा जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1केस हार्डनिंग (Case hardening)
- 2स्ट्रैन हार्डनिंग (Strain hardening)
- 3हार्डनेबिलिटी (Hardenability)
- 4रेड हार्डनेस (Red hardness / लाल कठोरता)✓
सही उत्तर देखें
रेड हार्डनेस (Red hardness / लाल कठोरता)
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