air hardening इन हिंदी

air: वायुमंडल

hardening: दृढ़ीकरण कठोरण

This is partly because W-steels warp and crack much more during quench than oil-quenched or air hardening steels.

air guard	air gun	air gun mechanism
air gunner	air hammer	air head
air headquarters	air headquaters	air headquaters routine order

अंग्रेज़ी→नहीं। नहीं।→अंग्रेज़ी