S235 J0 Kauv Hlau Yeeb Nkab - Cov Khoom Siv Zoo thiab Ua Haujlwm Zoo
Nyob rau hauv lub ntiaj teb niaj hnub hloov zuj zus ntawm kev tsim kho thiab kev tsim vaj tsev, qhov xav tau ntawm cov ntaub ntawv zoo uas ua kom muaj kev nyab xeeb, ruaj khov, thiab ua haujlwm tau zoo yog qhov tseem ceeb.S235 J0 Kauv Hlau Yeebyog cov khoom lag luam hloov pauv tsim los ua kom tau raws li cov qauv nruj ntawm kev siv cov txheej txheem niaj hnub. Qhov kev daws teeb meem tshiab no yog ntau tshaj li cov yeeb nkab; nws yog ib daim ntawv pov thawj rau kev ua haujlwm siab tshaj plaws thiab cov txheej txheem tsim khoom uas ua ntej muaj zog thiab kev ntseeg tau.
S235 J0 kauv steel kav yog tsim nyob rau hauv raws li European cov qauv uas txhais cov txheej txheem xa khoom rau txias-tsim welded structural hollow seem. Qhov no txhais tau hais tias txhua cov yeeb nkab yog tsim los ntawm kev siv cov txheej txheem ua kom txias txias, kom ntseeg tau tias cov txheej txheem kev ruaj ntseg tsis tas yuav tsum tau kho cua sov tom ntej. Cov khoom kawg muaj cov khoom siv zoo heev, ua rau nws zoo tagnrho rau ntau yam kev siv hauv kev tsim kho, kev tsim kho vaj tse thiab kev lag luam.
Mechanical Property
| qib steel | yam tsawg kawg nkaus yield zog | Tensile zog | Tsawg kawg elongation | Yam tsawg kawg nkaus lub zog | ||||
| Specified thickness | Specified thickness | Specified thickness | ntawm qhov ntsuas kub ntawm | |||||
| 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 | - | - | |||||
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 | — |
| a. Txoj kev deoxidation yog tsim raws li hauv qab no: FF: Tag nrho cov hlau uas muaj nitrogen khi cov ntsiab lus hauv cov nyiaj 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. | ||||||||
Hydrostatic Test
Txhua qhov ntev ntawm cov yeeb nkab yuav tsum raug kuaj los ntawm cov chaw tsim khoom rau lub siab hydrostatic uas yuav tsim nyob rau hauv cov yeeb nkab phab ntsa ib qho kev ntxhov siab ntawm 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 hnyav 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
Ib qho ntawm qhov zoo tshaj plaws ntawm S235 J0 Kauv Hlau Tube yog nws cov khoom siv ntau yam. Muaj nyob rau hauv daim ntawv puag ncig, square thiab duab plaub, cov khoom tuaj yeem hloov kho kom haum rau cov kev xav tau tshwj xeeb ntawm txhua qhov project. Txawm hais tias koj tab tom tsim lub thav duab ruaj khov rau lub tsev lag luam, tsim kom muaj kev sib txuam tsim rau kev tsim vaj tsev, lossis tsim kev tsim vaj tsev tseem ceeb xws li txuas hniav thiab qhov av, S235 J0 Kauv Hlau Tube muab qhov yooj yim thiab lub zog xav tau kom paub txog koj lub zeem muag.
Lub npe S235 qhia tau hais tias lub raj yog tsim los ntawm cov qauv hlau nrog zoo weldability thiab machinability. Qhov no yog tshwj xeeb tshaj yog ib qho tseem ceeb rau tej yaam num uas yuav tsum tau precision fabrication thiab sib dhos. J0 lub ntsiab lus qhia tias cov khoom siv tuaj yeem tiv taus qhov kub thiab txias, ua rau nws tsim nyog siv rau hauv qhov chaw hnyav uas qhov kub thiab txias tuaj yeem ua rau muaj kev pheej hmoo rau kev ua haujlwm zoo. Kev sib xyaw ua ke ntawm cov khoom no ua kom ntseeg tau tias S235 J0 kauv steel raj tsis tsuas yog txhim khu kev qha, tab sis kuj tuaj yeem tiv taus ntau yam kev nyab xeeb.
Tsis tas li ntawd, qhov txias-tsim qhov ntawm S235 J0 kauv steel yeeb nkab muab nws qhov zoo tshaj plaws nto tiav thiab qhov tseeb qhov tseeb. Qhov no txhais tau hais tias cov yeeb nkab tuaj yeem yooj yim sib xyaw rau hauv cov tshuab uas twb muaj lawm yam tsis muaj kev hloov kho dav dav. Lub npoo du kuj txhim kho qhov zoo nkauj ntawm cov khoom kawg, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov kws tsim vaj tsev thiab cov neeg tsim qauv uas muaj nuj nqis rau kev ua haujlwm thiab kev pom kev.
Ntxiv rau nws cov txiaj ntsig zoo, S235 J0 kauv steel yeeb nkab kuj yog ib qho kev xaiv zoo rau ib puag ncig. Cov txheej txheem tsim khoom txo qis kev siv hluav taws xob thiab kev siv hluav taws xob tsawg, nyob rau hauv txoj kab nrog kev loj hlob ntawm kev ruaj ntseg hauv kev tsim kho kev lag luam. Los ntawm kev xaiv cov khoom no, koj tsis tsuas yog nqis peev rau qhov zoo, tab sis kuj pab txhawb rau yav tom ntej ntsuab.
Tag nrho cov nyob rau hauv tag nrho, S235 J0 Kauv Hlau Tube yog ib tug txiav-ntug tov uas zoo kawg nkaus sib xyaw zog, versatility thiab sustainability. Txawm hais tias koj tab tom pib ua txoj haujlwm tsim kho tshiab lossis tab tom nrhiav txhim kho cov qauv uas twb muaj lawm, cov khoom no yog tsim los ua kom tau raws li qhov koj xav tau. Ua raws li European cov qauv thiab nrog cov yam ntxwv ua tau zoo, S235 J0 Spiral Steel Tube yog qhov kev xaiv zoo tshaj plaws rau cov kws tsim khoom, cov kws tsim qauv thiab cov neeg tsim khoom uas xav tau qhov zoo tshaj plaws hauv cov khoom siv. Ua rau yav tom ntej ntawm kev tsim kho nrog S235 J0 Kauv Hlau Tube - kev sib xyaw ua ke ntawm kev tsim kho tshiab thiab kev ntseeg siab.
