DC 04 cov khoom siv yog dab tsi?
Qib DC04 yog cov hlau sib sib zog nqus ntawm DC Qib Tsev Neeg.} dc04 yog haum rau cov kev xav tau siab.
Dab tsi yog qhov sib txawv ntawm DC04 thiab DC05?
DC04 - Cov qib no yog qhov tsim nyog rau kev tswj hwm qib} dc06 - Qhov kev sib sib zog nqus kev sib sib zog nqus cov cai} Qhov tsim nyog rau kev tsim kom muaj kev sib sib zog nqus kev ua kom.
DC 05 khoom li cas?
Cov tshuaj lom neeg muaj pes tsawg leeg ntawm DC05 hlau feem ntau suav cov pa roj carbon, mangelorus thiab sulphorus thiab sulfur {}} Cov hlau loj tshaj plaws yog paub rau lawv cov kev muaj hwj chim siab tshaj plaws, fircability} Weldability, firmability} Zoo heev, Formabity} Zoo heev, Firmability wel wel,,, Firmability ingability, firmability} Weldability, Firmability thiab Ductility.
DC03 qib steel yog dab tsi?
Me-carbon steel rau kev sib tsoo txias
Qib DC03 Cov Khoom Taw Qhia Zoo Kawg Nkaus-Dress-Dressed Raws Li Txhua Hom Kev Nyab Xeeb. Txoj cai ntawm kev sib nqus thiab nyuaj.
DC01 Cov Khoom Siv Yog Dab Tsi?
DC01 sawv cev rau qib pib ntawm DC steel tsev neeg thiab kuj tau paub nyob rau hauv cov txheej txheem qub st12 lossis FP01
