S355 JR Spiral Steel Pipe Yetsvina Yemuchina
S355 JR Spiral Steel PipeSimba uye Kuchinja-chinja
S355 JR spiral steel pipeinogadzirwa uchishandisa tekinoroji yepamusoro uye simbi yepamusoro-soro kuti isanganise simba uye kushanduka-shanduka muchigadzirwa chimwe chete. Mapaipi aya akagadzirwa kuti agone kutsungirira kumanikidzwa kwakanyanya, zvichiita kuti akwanise kushandiswa zvakasiyana-siyana. Ingave ichishandiswa kutakura mvura, mafuta kana gasi rechisikigo, mapaipi aya anopa kushanda kwakanaka uye kugara kwenguva refu.
Chimiro chakasimba uye kuvimbika kwechivako
Chimwe chezvinhu zvinonyanya kuzivikanwa nezve pombi yesimbi inotenderera yeS355 JR ndechekusimba kwayo, izvo zvinoita kuti chimiro chayo chive chakasimba. Mapombi aya ane misono inotenderera inoita kuti pave nesimba guru ukuwo ichideredza njodzi yekubuda kwemvura kana kukundikana. Dhizaini iyi yepamusoro inoita kuti pombi ikwanise kumira mitoro inorema uye mamiriro ekunze akaoma, zvichiita kuti ive yakakodzera zvivakwa zvakakosha zvakaita semabhiriji, matunnel nezvivakwa zvirefu.
Zvivakwa zveMechanical
| giredhi resimbi | simba shoma regoho | Simba rekusimba | Kureba kushoma | Simba shoma remagetsi | ||||
| Ukobvu hwakatarwa | Ukobvu hwakatarwa | Ukobvu hwakatarwa | patembiricha yekuyedzwa kwe | |||||
| 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 | - | - | |||||
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. | ||||||||
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
Inodzivirira ngura nezvinhu zvakatipoteredza
Mubasa rekuvaka chero ripi zvaro, kugara kwenguva refu uye kuvimbika kwezvinhu zvakakosha. Mapaipi esimbi eS355 JR anotambanuka zvakanaka panyaya iyi sezvo anodzivirira zvikuru ngura uye zvinhu zvakatipoteredza. Simbi inoshandiswa mukugadzira inogadziriswa zvakanyanya kuti iwedzere kusimba kwayo, zvichiita kuti mapaipi aya akwanise kuiswa pamusoro nepasi pevhu. Kusimba uku hakungovimbisi chete kusimba kwepaipi, asiwo kunoderedza zvakanyanya mari yekugadzirisa, zvichiita kuti ive sarudzo inoshanda zvishoma nezvishoma.
Wedzera kuchengetedzeka uye hushamwari kune zvakatipoteredza
Vachitarisana nekunetseka kwepasi rose nezvekushanduka kwemamiriro ekunze uye kukanganisa kwezvakatipoteredza, indasitiri yekuvaka iri kutsvaga mhinduro dzinogara kwenguva refu. S355 JRpombi yesimbi inotendererainogona kushandiswazve zvakanyanya uye inobatsira pakuita izvi zvinogara kwenguva refu. Mapaipi aya anogona kugadziriswazve uye kushandiswazve, zvichideredza marara uye kuchengetedza zviwanikwa zvechisikigo. Pamusoro pezvo, hupenyu hwavo hurefu hwebasa hunoderedza zvakanyanya kudiwa kwekutsiviwa, zvichideredzawo kukanganiswa kwavo nezvakatipoteredza.
Tevedzera mitemo yakasimba yemhando yepamusoro
Pombi yesimbi inotenderera yeS355 JR inogadzirwa nokungwarira zvichienderana nezvinodiwa zvemhando yepamusoro. Izvi zvinoita kuti pombi yega yega ishande zvakanaka uye inoenderana nemitemo yekuchengetedza inodiwa. Ingave mapurojekiti akakosha senge mapaipi emafuta negasi kana zvivakwa zvekufambisa, mapaipi aya anopa kuvimbika, kuvimba uye rugare rwepfungwa kumainjiniya, makondirakiti nevaridzi vemapurojekiti.
Mukupedzisa
Mukupfupisa, pombi yesimbi inotenderera yeS355 JR yave chikamu chakakosha chezvivakwa zvemazuva ano nekuda kwesimba rayo repamusoro, kushanduka-shanduka uye mashandiro ayo ese. Kuvakwa kwayo kwakasimba, kuramba ngura uye kutevedzera mitemo yemhando yepamusoro zvinoita kuti ive yakakodzera mapurojekiti akasiyana-siyana ekuvaka. Uyezve, kugara kwayo kwenguva refu uye kuchengetedzwa kwezvakatipoteredza zvinowedzera kukosha uye zvinobatsira mune ramangwana rakanaka. Sezvatinoramba tichiona kufambira mberi muindasitiri yekuvaka, zviri pachena kuti pombi yesimbi inotenderera yeS355 JR icharamba ichiita basa rakakosha mukuumba nyika yatinogara mairi.
