Qhov sib txawv ntawm Forging Thiab Casting Log (-)

Forging thiab casting log nyob rau hauv zoo li yog yuav luag tsis yooj yim sua rau feem tab sis lawv yog cov heev txawv nyob rau hauv cov yam ntxwv ntawm hlau, forging log toughness, tej yam kuj, lub dag lub zog, kev coj tus kheej muaj peev xwm ntawm cam khwb cia log yog ntau dua. Muaj yog tsis ntau qhov sib txawv nyob rau hauv lub txias kev kawm. Txawm li cas los, tab sis casting log yog feem ntau hais txog 20% ntau tshaj li qhov forging log