S355 J0 Spiral Seam Welded Pipe Inotengeswa
Tinofara kukuzivisai chigadzirwa chedu chitsva,S355 J0 Spiral Steel Pipe, inova pombi yakasungirirwa nemusono yakagadzirwa nesimbi yemhando yepamusoro sezvinhu zvakagadziriswa. Mapombi edu akasungirirwa nemusono anogadzirwa achishandisa nzira yepamusoro yekubatanidza arc ine waya mbiri dzakaita seautomatic.
Zvivakwa zveMechanical
| giredhi resimbi | simba shoma regoho | Simba rekusimba | Kureba kushoma | Simba shoma remagetsi | ||||
| Mpa | % | J | ||||||
| Ukobvu hwakatarwa | Ukobvu hwakatarwa | Ukobvu hwakatarwa | patembiricha yekuyedzwa kwe | |||||
| 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 | - | - | |||||
Tubhu reS355 J0 Spiral Steel rakagadzirwa nemazvo uye neunyanzvi zvichivimbisa kugara kwenguva refu uye kuvimbika mukushanda kwaro. Ipuratifomu yesimbi ine simba rakawanda, inoshandiswa zvakanyanya mukugadzira michina, michina yeindasitiri inorema, michina yekuvaka, michina yekuchera migodhi, michina yekuchera marasha, zvivakwa zvebhiriji, macrane, majenareta, michina yemagetsi emhepo, mabheringi nedzimwe nzvimbo. Masherufu, zvikamu zvekumanikidza, maturbine emhepo, zvikamu zvakaiswa mukati, zvikamu zvemakanika.
Chimwe chezvinhu zvikuru zveS355 J0 Spiral Steel Tube ndechekuti ine hunyanzvi hwakasiyana-siyana. Mapaipi esimbi anotenderera anoshandiswa zvakanyanya uye anogona kusangana nezvinodiwa zvakasiyana-siyana zvemaindasitiri akasiyana. Ingave michina inorema kana mapurojekiti ezvivakwa, pombi iyi inoita mashandiro akanaka uye yakasimba, zvichiita kuti ive yakakodzera kushandiswa kwakaoma.
Kuumbwa kweMakemikari
| Giredhi resimbi | Rudzi rwekubvisa oxidation a | % nehuremu, huwandu hwepamusoro | ||||||
| Zita resimbi | Nhamba yesimbi | 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. Nzira yekubvisa oxidation inotsanangurwa seinotevera: | ||||||||
| FF: Simbi yakafa zvizere ine zvinhu zvinosunga nitrogen muhuwandu hwakakwana kuti isunge nitrogen iripo (semuenzaniso 0,020% yeAl yose kana 0,015% yeAl inonyungudika). | ||||||||
| b. Kukosha kwakanyanya kwenitrogen hakushandi kana makemikari ari muchikamu ichi achiratidza huwandu hweAl hushoma hwe0,020% nechiyero cheAl/N che2:1, kana kana paine zvimwe zvinhu zveN-binding zvakakwana. Zvinhu zveN-binding zvinofanira kunyorwa muGwaro reKuongorora. | ||||||||
KuCangzhou Spiral Steel Pipe Group Co., Ltd., tinodada nehunyanzvi hwedu hwekugadzira hwemazuva ano. Tiine mitsetse gumi nemitatu yekugadzira mapaipi esimbi anotenderera, uye mitsetse mina yekugadzira inorwisa ngura uye inodzivirira kupisa, tava mutengesi anotungamira muindasitiri iyi. Tekinoroji yedu yepamusoro yekugadzira inotigonesa kugadzira mapaipi esimbi anotenderera ane dhayamita yeΦ219-Φ3500mm uye ukobvu hwemadziro hwe6-25.4mm.
Takazvipira kupa zvigadzirwa zvemhando yepamusoro zvinosangana nezvinodiwa zveindasitiri. Chikwata chedu chevashandi vane hunyanzvi chinoona kuti pombi yega yega inoongororwa zvakasimba kuti ione kusimba, kugara kwenguva refu uye kushanda zvakanaka. Uyezve, tinokoshesa kugutsikana kwevatengi uye tinopa vatengi vedu vanokoshesa basa rakanaka mushure mekutengesa.
NeS355 J0 Spiral Steel Pipe yedu, unogona kuvimba nehunhu hwepamusoro uye kuvimbika kunomiririra brand yedu. Kunyangwe uri muindasitiri yemichina inorema kana yekuvaka, mapaipi edu esimbi anotenderera achapfuura zvaunotarisira uye achakupa mhedzisiro yakanaka.
Sarudza Cangzhou Spiral Steel Pipe Group Co., Ltd. kuti uwane zvese zvaunoda papombi dzesimbi dzinotenderera. Batana nesu nhasi uye ona kunaka uye kuvimbika kwezvigadzirwa zvedu.
Kuedzwa kweHydrostatic
Kureba kwepaipi imwe neimwe kunofanira kuyedzwa nemugadziri kusvika pakumanikidzwa kwemvura kuchaita kuti pamadziro epaipi pave nekumanikidzwa kusingasviki 60% yesimba remubereko rakatarwa patembiricha yemumba. Kumanikidzwa kunofanira kutsanangurwa nemuenzaniso unotevera:
P=2St/D
Kusiyana Kunobvumidzwa Muhuremu neMakuriro
Kureba kwepombi imwe neimwe kunofanira kuyerwa zvakasiyana uye huremu hwayo hahufanirwe kusiyana ne10% pamusoro kana 5.5% pasi pehuremu hwayo hwepfungwa, zvichiverengerwa uchishandisa hurefu hwayo nehuremu hwayo pahurefu hweyuniti imwe neimwe.
Dhayamita yekunze haifanirwe kusiyana kupfuura ±1% kubva padhayamita yekunze yakatarwa.
Ukobvu hwemadziro chero nguva hahufanirwe kupfuura 12.5% pasi peukobvu hwemadziro hwakatarwa
