TS EN 10219 S355J0H SQUARE HOLLOW Tshooj

EN 10219 S355J0H Steel Hollow seem

EN 10219 S355J0H Square hollow seem

TS EN 10219 S355J0H Rectangular hollow seem

Loj: 20MM X 20MM -- 1200MM X 1200MM WT: 1.3MM--60MM

Hom: ERW/JCOE/SEAMLESS

Khoom Taw Qhia

EN10219 S355J0H cov yeeb nkab welded yog ua los ntawm cov nplua -cov hlau tsis muaj hlau, uas yuav tsum muaj qhov tsawg kawg nkaus lub zog ntawm 355MPa (nominal thickness Tsawg dua lossis sib npaug li 16 hli) thiab lub zog tensile ntawm 470-630MPa. Cov khoom siv yuav tsum tau ua kom tau raws li qhov yuav tsum tau ua ntawm 0℃qis qhov kub thiab txias qhov hnyav, thiab ib qho nqi ntawm Charpy V-hom notched cuam tshuam lub zog tsis tsawg dua 27J, thiab tus nqi nruab nrab yuav tsum muaj ntau dua lossis sib npaug rau 40J (piv txwv loj 10 × 10mm). Cov tshuaj muaj pes tsawg leeg yog tswj nruj heev, thiab cov pa roj carbon sib npaug CET Tsawg dua lossis sib npaug li 0.42%, ntawm cov ntsiab lus carbon tsawg dua lossis sib npaug li 0.20%, cov ntsiab lus manganese tsawg dua lossis sib npaug li 1.70%, thiab cov ntsiab lus sulfur thiab phosphorus yog tswj ntawm tsawg dua lossis sib npaug li 0.030% lossis sib npaug li 0.030% thiab tsawg dua.

Hais txog cov txheej txheem tsim khoom, nws yuav tsum siv cov txheej txheem dov thiab tswj kev ua kom txias (TMCP) lossis cov txheej txheem ua kom zoo, thiab cov txheej txheem tsim muaj cov txheej txheem txias xws li JCOE lossis UOE. Lub submerged arc vuam txheej txheem yuav tsum tau siv rau vuam, thiab post-weld cua sov yuav tsum tau siv los mus tshem tawm cov residual stresses. Tag nrho cov EN10219 S355J0H steel kav yog raug rau 100% ultrasonic kuaj (raws li EN10160 qauv) nrog ib tug nrhiav tau rhiab heev ntawm 3 hli sib npaug inch ca hauv qab qhov. Qhov ntsuas qhov ntev yog tswj nruj me ntsis, nrog kev tso cai sib txawv ntawm ± 0.5% rau ± 1% rau sab nraud thiab ± 10% rau phab ntsa tuab.

EN10219 S355J0H steel kav yuav raug kuaj xyuas cov cuab yeej cuab tam, suav nrog kev sim tensile (sampling transverse), bending tests (180℃txias dabtsi yog khoov tsis muaj tawg) thiab hardness tests (HV10 Tsawg dua los yog sib npaug rau 265). Tsis tas li ntawd, tus qauv kuj tau teev cov kev cai nruj ntawm qhov zoo, thiab tsis tso cai rau qhov tsis xws luag xws li tawg thiab folds uas cuam tshuam rau kev siv.

Cov txheej txheem welded yeeb nkab no tsuas yog siv rau hauv siab- nce lub tsev steel qauv, ntev- ncua txuas txuas, offshore platforms thiab lwm lub sijhawm uas yuav tsum muaj siab rau cov khoom siv zog thiab kub tsis tshua muaj zog, thiab nws cov vuam zoo heev thiab kev ruaj ntseg ua rau nws yog ib qho kev xaiv tseem ceeb rau niaj hnub steel qauv engineering.