S355 J0 Kauv Seam Welded Yeeb Nkab Rau Kev Muag Khoom
Peb zoo siab los qhia rau koj txog peb cov khoom tshiab,S355 J0 Kauv Hlau Yeeb Nkab, uas yog ib lub yeeb nkab uas muaj cov hlau nplaum zoo ua los ntawm cov hlau nplaum zoo. Peb cov yeeb nkab uas muaj cov hlau nplaum no yog tsim los ntawm kev siv cov txheej txheem vuam ob sab uas siv lub tshuab vuam arc uas siv ob txoj hlua hlau tsis siv neeg.
Khoom Siv Kho Tshuab
| qib hlau | lub zog tsawg kawg nkaus | Lub zog tensile | Qhov ntev tsawg kawg nkaus | Lub zog cuam tshuam tsawg kawg nkaus | ||||
| Mpa | % | J | ||||||
| Qhov tuab uas tau teev tseg | Qhov tuab uas tau teev tseg | Qhov tuab uas tau teev tseg | ntawm qhov kub thiab txias ntawm | |||||
| mm | mm | mm | ||||||
| <16 | > 16≤40 | <3 | ≥3≤40 | ≤40 | -20 ℃ | 0℃ | 20 ℃ | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
Lub S355 J0 Spiral Steel Tube yog tsim los ntawm kev ua haujlwm zoo thiab ua tau zoo heev, ua kom nws ruaj khov thiab ntseeg tau. Nws yog cov hlau tsis tshua muaj zog, siv dav hauv kev tsim tshuab, kev lag luam hnyav, kev tsim kho tshuab, kev khawb av, kev khawb thee, cov qauv choj, cranes, generators, cov khoom siv hluav taws xob cua, cov kabmob thiab lwm yam lag luam. Plhaub, cov khoom siv siab, cov turbines pa dej, cov khoom siv embedded, cov khoom siv kho tshuab.
Ib qho ntawm cov yam ntxwv tseem ceeb ntawm S355 J0 Spiral Steel Tube yog nws qhov kev ua tau ntau yam. Cov kav hlau kauv tau siv dav thiab tuaj yeem ua tau raws li ntau yam kev xav tau ntawm ntau yam lag luam. Txawm hais tias nws yog cov tshuab hnyav lossis cov haujlwm tsim kho vaj tse, cov kav dej no muaj kev ua tau zoo thiab lub zog zoo heev, ua rau nws zoo tagnrho rau cov ntawv thov uas xav tau ntau.
Cov Tshuaj Lom Zem
| Qib hlau | Hom de-oxidation a | % los ntawm pawg, siab tshaj plaws | ||||||
| Lub npe hlau | Tus lej hlau | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | — | 1,40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | — | 1,50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | — | 1,50 | 0,030 | 0,030 | — |
| S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| a. Txoj kev deoxidation yog raws li nram no: | ||||||||
| FF: Cov hlau uas tua tag nrho uas muaj cov khoom sib txuas nrog nitrogen txaus kom sib txuas nrog nitrogen tau (piv txwv li tsawg kawg 0,020% tag nrho Al lossis 0,015% soluble Al). | ||||||||
| b. Tus nqi siab tshaj plaws rau nitrogen tsis siv yog tias cov tshuaj lom neeg qhia tias muaj tsawg kawg nkaus Al tag nrho cov ntsiab lus ntawm 0,020% nrog qhov tsawg kawg nkaus Al/N piv ntawm 2:1, lossis yog tias muaj lwm cov ntsiab lus N-binding txaus. Cov ntsiab lus N-binding yuav tsum tau sau tseg rau hauv Daim Ntawv Tshuaj Xyuas. | ||||||||
Ntawm Cangzhou Spiral Steel Pipe Group Co., Ltd., peb txaus siab rau peb lub peev xwm tsim khoom zoo tshaj plaws. Nrog 13 kab ntau lawm ntawm cov kav hlau kauv, thiab 4 kab ntau lawm ntawm kev tiv thaiv xeb thiab kev rwb thaiv tsev kub, peb tau dhau los ua tus neeg muab khoom ua lag luam hauv kev lag luam. Peb cov thev naus laus zis tsim khoom siab heev ua rau peb tuaj yeem tsim cov kav hlau kauv nrog txoj kab uas hla ntawm Φ219-Φ3500mm thiab phab ntsa tuab ntawm 6-25.4mm.
Peb cog lus tias yuav muab cov khoom zoo tshaj plaws uas ua tau raws li cov qauv kev lag luam siab tshaj plaws. Peb pab neeg kws tshaj lij ua kom txhua lub yeeb nkab raug tshuaj xyuas zoo kom muaj zog, ruaj khov thiab ua tau zoo. Ntxiv mus, peb muab qhov tseem ceeb rau kev txaus siab ntawm cov neeg siv khoom thiab muab kev pabcuam zoo tom qab muag rau peb cov neeg siv khoom tseem ceeb.
Nrog peb cov yeeb nkab hlau S355 J0 Spiral, koj tuaj yeem cia siab rau qhov zoo tshaj plaws thiab kev ntseeg siab uas peb lub hom lag luam sawv cev rau. Txawm koj nyob hauv kev lag luam tshuab hnyav lossis kev tsim kho, peb cov yeeb nkab hlau spiral yuav ua tau ntau tshaj qhov koj xav tau thiab xa cov txiaj ntsig zoo tshaj plaws.
Xaiv Cangzhou Spiral Steel Pipe Group Co., Ltd. rau txhua yam koj xav tau ntawm cov yeeb nkab hlau. Koom tes nrog peb hnub no thiab paub txog qhov zoo thiab kev ntseeg siab ntawm peb cov khoom.
Kev Ntsuas Hydrostatic
Txhua qhov ntev ntawm cov yeeb nkab yuav tsum tau kuaj los ntawm tus neeg tsim khoom kom muaj lub zog hydrostatic uas yuav tsim cov kev ntxhov siab hauv phab ntsa yeeb nkab tsis pub tsawg dua 60% ntawm qhov tsawg kawg nkaus ntawm qhov kub thiab txias. Lub zog yuav tsum txiav txim siab los ntawm cov qauv hauv qab no:
P=2St/D
Kev Hloov Pauv Uas Tso Cai Hauv Qhov Hnyav thiab Qhov Ntev
Txhua qhov ntev ntawm cov yeeb nkab yuav tsum tau ntsuas sib cais thiab nws qhov hnyav yuav tsum tsis txhob hloov ntau tshaj 10% dhau lossis 5.5% qis dua nws qhov hnyav theoretical, xam siv nws qhov ntev thiab nws qhov hnyav ib chav ntev.
Lub sab nraud txoj kab uas hla yuav tsum tsis txhob hloov ntau dua ± 1% ntawm qhov teev tseg nominal sab nraud txoj kab uas hla
Phab ntsa tuab ntawm txhua qhov chaw yuav tsum tsis pub ntau tshaj 12.5% nyob rau hauv qhov tuab ntawm phab ntsa uas tau teev tseg
