S355 J0 Kauv Seam Welded Yeeb Nkab Kev muag khoom
Peb zoo siab los qhia rau koj peb cov khoom tshiab,S355 J0 Kauv Hlau Yeeb, uas yog ib tug kauv seam welded yeeb nkab ua los ntawm high-zoo sawb steel kauj raws li raw khoom.Peb cov kauv seam welded kav yog tsim los ntawm kev siv cov txheej txheem tsis siv neeg ntxaib-xaim ob sab submerged arc vuam txheej txheem.
Mechanical Property
| qib steel | yam tsawg kawg nkaus yield zog | Tensile zog | Tsawg kawg elongation | Yam tsawg kawg nkaus lub zog | ||||
| Mpa | % | J | ||||||
| Specified thickness | Specified thickness | Specified thickness | ntawm qhov ntsuas kub ntawm | |||||
| mm | mm | mm | ||||||
| 16 | ＞ 16 ≤ 40 | ＜3 | ≥3≤40 | ≤ 40 | -20 ℃ | 0 ℃ | 20 ℃ | |
| S235 JRH | 235 | 225 | 360-510 : kuv | 360-510 : kuv | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 : kuv | 410-560 : kuv | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 : kuv | 470-630 : kuv | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
S355 J0 Spiral Steel Tube yog tsim los nrog kev ua tau zoo thiab ua tau zoo kom ntseeg tau tias muaj kev ruaj ntseg thiab kev ntseeg siab hauv nws qhov kev ua tau zoo.Nws yog cov khoom siv hluav taws xob uas tsis tshua muaj zog steel phaj, dav siv hauv kev tsim khoom, kev lag luam hnyav, kev tsim kho tshuab, mining machinery, thee mining machinery, choj qauv, cranes, generators, cua zog khoom, bearings thiab lwm yam lag luam.Plhaub, cov khoom siv siab, chav turbines, embedded qhov chaw, mechanical qhov chaw.
Ib qho ntawm cov yam ntxwv tseem ceeb ntawm S355 J0 Kauv Hlau Tube yog nws cov khoom siv ntau yam.Kauv steel kav yog siv dav thiab tuaj yeem ua tau raws li ntau yam kev xav tau ntawm kev lag luam sib txawv.Txawm hais tias nws yog cov tshuab hnyav lossis cov phiaj xwm kev tsim kho, cov yeeb nkab no muaj kev ua haujlwm tshwj xeeb thiab lub zog, ua rau nws zoo tagnrho rau kev thov.
Tshuaj muaj pes tsawg leeg
| Qib hlau | Hom de-oxidation a | % los ntawm huab hwm coj, siab kawg | ||||||
| Steel npe | Hlau tooj | C | C | Si | Mn | P | S | Nb |
| S235 JRH | 1, 0039 | FF | 0,17 ib | — | 1,40 ib | 0,040 ua | 0,040 ua | 0.009 ib |
| S275J0H | 1.0149 ib | FF | 0,20 ib | — | 1,50 ib | 0,035 ib | 0,035 ib | 0,009 ib |
| S275J2H | 1, 0138 | FF | 0,20 ib | — | 1,50 ib | 0,030 ua | 0,030 ua | — |
| S355J0H | 1.0547 ib | FF | 0,22 ib | 0,55 ib | 1,60 ib | 0,035 ib | 0,035 ib | 0,009 ib |
| S355J2H | 1.0576 ib | FF | 0,22 ib | 0,55 ib | 1,60 ib | 0,030 ua | 0,030 ua | — |
| S355K2H | 1, 0512 | FF | 0,22 ib | 0,55 ib | 1,60 ib | 0,030 ua | 0,030 ua | — |
| ib.Txoj kev deoxidation yog tsim raws li hauv qab no: | ||||||||
| FF: Ua tiav cov hlau uas muaj nitrogen khi cov ntsiab lus kom txaus los khi muaj nitrogen (xws li min. 0,020% tag nrho Al lossis 0,015% soluble Al). | ||||||||
| b.Tus nqi siab tshaj plaws rau nitrogen tsis siv yog tias cov tshuaj muaj pes tsawg leeg pom qhov tsawg kawg nkaus Al ntsiab lus ntawm 0,020% nrog qhov tsawg kawg nkaus Al / N piv ntawm 2: 1, lossis yog tias muaj lwm yam N-binding ntsiab.Cov ntsiab lus N-binding yuav tsum tau sau rau hauv Cov Ntaub Ntawv Tshawb Fawb. | ||||||||
Ntawm Cangzhou Spiral Steel Pipe Group Co., Ltd., peb txaus siab rau peb tus kheej ntawm peb lub xeev-of-the-art manufacturing peev xwm.Nrog 13 cov kab ntau lawm ntawm kauv steel kav, thiab 4 cov kab ntau lawm ntawm kev tiv thaiv corrosion thiab thermal rwb thaiv tsev ntsuas, peb tau dhau los ua tus neeg muag khoom hauv kev lag luam.Peb cov thev naus laus zis ntau lawm ua rau peb tuaj yeem tsim cov kav hlau txuas nrog lub cheeb ntawm Φ219-Φ3500mm thiab phab ntsa tuab ntawm 6-25.4mm.
Peb tau cog lus los muab cov khoom zoo uas ua tau raws li cov qauv kev lag luam siab tshaj plaws.Peb pab neeg ntawm cov kws tshaj lij ua kom ntseeg tau tias txhua cov yeeb nkab tau dhau los ua kev soj ntsuam zoo rau lub zog, ua haujlwm ntev thiab kev ua haujlwm.Ntxiv mus, peb muab qhov tseem ceeb rau cov neeg siv khoom txaus siab thiab muab kev pabcuam zoo tom qab muag rau peb cov neeg siv khoom muaj txiaj ntsig.
Nrog peb S355 J0 Kauv Hlau Yeeb Nkab, koj tuaj yeem tso siab rau qhov zoo tshaj plaws thiab kev ntseeg siab uas peb lub npe sawv rau.Txawm hais tias koj nyob hauv cov tshuab hnyav lossis kev tsim kho kev lag luam, peb cov kav dej kauv steel yuav tshaj qhov koj xav tau thiab xa cov txiaj ntsig zoo.
Xaiv Cangzhou Spiral Steel Pipe Group Co., Ltd.Koom tes nrog peb niaj hnub no thiab paub txog qhov zoo thiab kev ntseeg siab ntawm peb cov khoom tsis sib xws.
Hydrostatic Test
Txhua qhov ntev ntawm cov yeeb nkab yuav tsum raug kuaj los ntawm cov chaw tsim khoom mus rau lub siab hydrostatic uas yuav tsim nyob rau hauv cov yeeb nkab phab ntsa ib qho kev ntxhov siab tsis pub tsawg tshaj 60% ntawm qhov tsawg kawg nkaus yield zog ntawm chav tsev kub.Lub siab yuav tsum tau txiav txim los ntawm qhov sib npaug hauv qab no:
P = 2st/D
Permissible variations In Weights and Dimensions
Txhua qhov ntev ntawm cov yeeb nkab yuav tsum tau ntsuas nyias thiab nws qhov hnyav yuav tsum tsis txhob sib txawv ntau dua 10% tshaj lossis 5.5% raws li nws qhov hnyav, suav nrog nws qhov ntev thiab nws qhov hnyav ntawm ib chav tsev ntev.
Sab nraud txoj kab uas hla yuav tsum tsis txhob sib txawv ntau tshaj ± 1% ntawm lub npe nominal sab nraud txoj kab uas hla
Phab ntsa thickness ntawm txhua qhov chaw yuav tsum tsis pub ntau tshaj 12.5% raws li cov phab ntsa thickness
