Kub Rolled S275J {1}} Cov qauv txheej txheem carbon h nqaj

Kub Rolled S275J 0 bagbon h-nqaj cov qauv qauv siv ntau yam thiab muaj zog siv dav hauv kev tsim kho thiab kev tsim khoom. Nws muaj lub zog siab, weldability thiab formability.

Tshuaj lom neeg muaj pes tsawg leeg ntawm S275J {1}} h-nqaj txheem hlau
Cov pa roj carbon (c): mus txog 0. 22%
Manganese (MN): Txog li 1.60%
Silicon (Si): mus txog 0. 55%
Phosphorus (p): mus txog 0. 045%
Sulphur (s): Mus txog 0. 045%
Tooj Liab (Cu): Mus txog 0. 55%

Cov Cuab Yeej Siv Cov Neeg Kho Tshuab ntawm S275J {1}} Tus Qauv H-nqaj Steel
Peple zog: Min. 235 MPa
Lub zog tensile: {360 - 510 mpa mpa
Elongation: min. 22% (rau 5.65 0 patchimens)
Kev Cuam Tshuam: Tsawg kawg 27 J (thaum -20} degree, loj dua lossis sib npaug nrog 16 hli)

S275J 0 kub kub dov lub h Cov yam ntxwv ntawm cov hlau: lub zog siab thiab tawv ncauj rau cov khoom siv thauj khoom; zoo weldability rau yooj yim fabrication thiab kev sib txuas ntawm cov steel seem; zoo heev tsim nyog rau kev sib sau thiab khoov tsis muaj kev sib raug zoo ntawm kev ntseeg siab; High atmospheric corrosion tsis kam vim tswj cov ntsiab lus carbon.

Cov ntawv thov ntawm S275J {0 cov roj carbon h-} zoo li cov qauv hlau: kev tsim kho ntawm cov txheej txheem thav duab thiab pob txha; Choj tsim thiab txij nkawm; Muaj cov tshuaj ntxuav thiab cov tais tais; txhawb nqa cov qauv rau cov tshuab hnyav; Tubrog nkoj thiab orshore; Cov haujlwm hauv Civil engineering Civil engineering Cocialering.

Gnee steel tau tsim tsa nyob rau xyoo 2008, peb cov khoom tseem ceeb yog seem steel, lub tsev sib luag, thiab lwm yam. Peb zoo siab los muab koj tus nqi zoo tshaj plaws thiab cov lus qhia. Koj zoo siab tos txais koj mus ntsib peb lub tuam txhab.