Lo lus nug 1: Cov khoom dab tsi yog S275JR ua los ntawm?
S275JR yog European txheem hlau qib, feem ntau xa yam tsis muaj cov hlau, thiab lwm yam khoom siv roj carbon monoxide, thiab lwm yam khoom siv roj carbon monoxide, thiab lwm cov khoom siv roj carbon monoxide, thiab lwm yam.
Lo lus nug 2: Cov khoom dab tsi yog S275JR cov yeeb nkab steel nyob rau hauv Suav teb?
S275JR yog sib npaug rau cov qauv hauv tsev Q295} Kev ua tau zoo thiab yooj yim}
Lus Nug 3: Dab tsi yog cov tshuaj lom neeg muaj feem ntawm S275jr steel yeeb nkab?
Nws cov tshuaj lom neeg feem ntau suav nrog cov pa roj carbon (c), si), mang), thiab cov ntsiab lus caricness raws li 0} rau 0.23%); Cov ntsiab lus silicon yog kwv yees li 0.30% (qee cov ntaub ntawv qhia tias cov ntsiab lus yog hais txog 0.15% {{% lossis 0.4%); Cov ntsiab lus manganese yog txog 1.50% (qee cov ntaub ntawv qhia tias cov ntsiab lus yog hais txog 1.6% {%); Cov ntsiab lus phosphorus yog hais txog 0.045% (qee cov ntaub ntawv qhia tias cov ntsiab lus tsawg dua 0.03% lossis tsawg dua lossis sib npaug 0.045%).
Lo lus nug 4: Dab tsi yog cov kws kho tshuab ntawm S275JR steel yeeb nkab?
Tensile lub zog: kev ua tau zoo heev, feem ntau yog kev ntxhov siab uas cov khoom siv tuaj yeem tiv thaiv bensile thaum raug rau lub zog tensile yog siab dua.
Peple Zog: Nruab Nrab ntawm 2705MPA thiab 275MPA (Qee cov ntaub ntawv qhia tau tias qhov ntsuas tau los ntawm kev ntsuas cov kabmob muaj peev xwm ntsuas cov ntaub ntawv {}}
Elongation: Feem ntau ntau dua lossis sib luag rau 21% (qee cov ntaub ntawv qhia tau tias Elongation ntau npaum li cas yog 23%, los ntawm cov khoom siv yas ntawm cov khoom siv ntawm cov khoom {}}
Kev Cuam Tshuam Cov Khoom Siv: Feem ntau ntau dua lossis sib npaug ntawm 47J / CMO (qee cov ntaub ntawv qhia tias cov ntaub ntawv tuaj yeem nqus tau ntau lub zog thaum muaj kev cuam tshuam zoo
Lo lus nug 5: Cov ntawv thov ntawm S275JR cov kav dej steel yog dab tsi?
Lub Tsheb Raug: tuaj yeem siv rau cov khoom lag luam tawm rau cov tsheb, xws li cov tsheb thauj khoom, thiab lwm yam.
Tsev qauv qauv: Tsim nyog rau kev tsim cov qauv txheej txheem, xws li kab teeb, txhua yam, thiab lwm yam.
Cov khoom siv tshuaj lom: tuaj yeem siv los tsim cov khoom nruab nrab thiab cov tshuaj qis dua thiab cov siab qes boiler drows {{}}
Pipeline Engineering: Tsim nyog rau cov roj pipelines, roj tso tsheb hlau luam roj tso tsheb hlau luam, etc .
Lwm yam teb: Kuj siv tau hauv cov phaj nyias stamping, tshuab tej cuab yeej, thiab lwm yam.
