S275JR steel yeeb nkab yog dab tsi?
S275JR steel yeeb nkabyog ib tug dav siv cov qauv hlau, nyiam rau nws cov khoom zoo heev thiab ntau yam. Qhov qis- carbon steel no muaj lub zog siab, zoo weldability, thiab formability, ua rau nws haum rau ntau yam kev siv.
Dab tsi yog qhov siab hauv lub raj xa dej?
Lub siab nyob rau hauv ib lub raj xa dej sib txawv heev nyob ntawm qhov chaw xws li qhov chaw, qhov siab, thiab qhov deb ntawm qhov chaw nres tsheb compression, tab sis tuaj yeem nyob ntawm kwv yees li 60 PSI mus rau ntau dua 1100-2200 PSI. Qee lub raj xa dej siab tuaj yeem ncav cuag lossis tshaj 100 MPa.
Lub neej kev pab cuam ntawm S275JR roj thiab roj pipeline yog dab tsi?
Lub neej kev pab cuam ntawmroj thiab roj pipelinesua los ntawm cov ntaub ntawv xws li S275JR carbon steel yog kwv yees li 50 xyoo, tab sis lub neej kev pab cuam tiag tiag tuaj yeem sib txawv vim yog yam xws li kev teeb tsa zoo, kev saib xyuas tom qab, thiab ib puag ncig.
Dab tsi yog qhov tsawg kawg nkaus tawm lub zog ntawm S275JR?
Qhov tsawg kawg nkaus yield zog ntawm S275JR steel yog 275 MPa thaum lub thickness tsis tshaj 16 hli, tab sis nws txo nrog nce steel thickness.
Dab tsi yog qhov zoo ntawm oilfield steel kav piv rau cov kav hlau ua los ntawm lwm cov ntaub ntawv?
Oilfield steel kavmuaj ntau yam zoo, xws li: siab zog, zoo durability, thiab muaj peev xwm tiv taus siab kub thiab siab kub; zoo corrosion kuj thiab yaig kuj nyob rau hauv ib puag ncig hnyav; thiab ib lub phab ntsa du, uas yog qhov zoo rau cov kua dej ntws zoo.
