1. Insimbi Yomdabu: Amakhono Okukhiqiza kanye Namandla Enkampani
I-Womic Steel Group ingumkhiqizi ovelele kanye nomthengisi wangaphandle emhlabeni jikelele onolwazi olungaphezu kweminyaka engama-20 ekukhiqizeni imikhiqizo ye-carbon, i-alloy, kanye ne-stainless steel tubular. Isikhungo sethu sokukhiqiza amapayipi e-LSAW esisezingeni eliphezulu (inqubo ye-JCOE) sinamandla angaphezu kwamathani angu-250,000 ngonyaka wamapayipi ahlanganisiwe angaphansi kwe-arc, akhonza amanzi, uwoyela, igesi kanye namaphrojekthi esakhiwo kuwo wonke amazwekazi amahlanu.
Ububanzi Bosayizi Bokukhiqiza bepayipi Lensimbi ye-LSAW:Ububanzi bangaphandle busukela ku-219mm kuya ku-1,422mm (8 intshi kuya ku-56 intshi) ngokwakhiwa kwe-JCOE. Ubukhulu bodonga busukela ku-5.0mm kuya ku-50.8mm. Ubude obubodwa busukela ku-6m kuya ku-12m obujwayelekile, kanye nobude obungokwezifiso obufika ku-24m obutholakalayo kumaphrojekthi amapayipi kanye nokufaka izintambo ezidinga amalunga amade.
Izitifiketi Zekhwalithi Nokuhambisana Nemithetho:
● Isitifiketi se-ISO 9001:2015ukuphathwa kwekhwalithi ekukhiqizweni kwe-LSAW.
● Ilayisensi ye-API 5L Monogram– I-Womic Steel inelayisensi ye-API 5L yokukhiqiza amapayipi omugqa okuhlanganisa i-GR.B, X42, X52, X60, X65, X70. Ukuhlolwa kwe-API okuvamile kuqinisekisa ukulandelwa kwemithetho.
● Ukumakwa kwe-CE (PED 2014/68/EU)– Kuyatholakala uma kuceliwe amazinga e-EN.
● I-EN 10204 3.2 Isitifiketi– Izitifiketi zokuhlolwa kwe-Mill ezinokuqinisekiswa okuvela eceleni (TÜV, BV, SGS, LR) zamaphrojekthi abalulekile.
●Ukuhlolwa Kweqembu Lesithathu (TPI)– Kuvunywe yi-SGS, BV, ABS, DNV, TÜV.
lOkwengeziwe:I-ISO 14001, i-ISO 45001.
I-Womic Steel ihlinzeka emazweni angaphezu kuka-80 kulo lonke elaseNingizimu-mpumalanga ye-Asia, eYurophu, eMpumalanga Ephakathi, e-Afrika naseMelika.
2. I-API 5L GR.B: Izici Zokwakheka Kwezinto Nokusebenza
I-API 5L GR.B iyibanga lepayipi elivame ukucaciswa kakhulu lezinsizakalo zokucindezela ezijwayelekile. Inikeza amandla okukhiqiza amancane angu-245 MPa (35,500 psi) kanye namandla okudonsa angu-415 MPa (60,200 psi). Nakuba inamandla aphansi kune-X42 noma i-X52, i-GR.B inikeza ukuguquguquka okuhle, ukushibilika okuhle kokujoyina insimu, kanye nezindleko eziphansi kakhulu ngethani ngalinye lezinhlelo zokusebenza ezingabalulekile.
Ukwakheka Kwamakhemikhali (Ukuhlaziywa Kwezindebe, ubuningi be-% ngobuningi):
| Isici | I-API 5L GR.B (PSL1, ubuningi %) |
| C | 0.26 |
| Mn | 1.20 |
| P | 0.030 |
| S | 0.030 |
| Si | 0.40 |
Ku-PSL2, imikhawulo iqinile: C ≤ 0.22%, P ≤ 0.025%, S ≤ 0.015%, kanye nezidingo zokuhlola umthelela.
Izakhiwo Zomshini (Izinga Lokushisa Legumbi):
| Impahla | I-API 5L GR.B |
| Amandla Okukhiqiza (iminithi) | 245 MPa (35,500 psi) |
| Amandla Okudonsa (iminithi) | I-415 MPa (60,200 psi) |
| Ukwelulwa (iminithi) | 23% (ngegeyiji engu-50mm) |
| Ubulukhuni (ubuningi, i-PSL2) | 90 HRB |
I-PSL2 yengeza ukuqina komthelela we-Charpy V-Notch okungenani okungu-27J ku-0°C.
3. Ukuhambisana Nobubanzi Nokulinganisa Kwezindinganiso
I-Womic Steel inikeza amapayipi e-API 5L GR.B LSAW ahambisana ngokugcwele nezindinganiso ze-API 5L kanye nezindinganiso ze-ASTM/EN ezihlobene.
| Into | Imininingwane |
| Okujwayelekile | I-API 5L PSL1 / PSL2 |
| Inqubo Yokukhiqiza | I-LSAW (JCOE / UOE) – 219mm ukuya ku-1,422mm OD |
| Ububanzi Bobubanzi Bangaphandle | 219mm – 1,422mm (8″ – 56″) |
| Ububanzi Bokujiya Kodonga | 5.0mm – 50.8mm |
| Ibanga Lobude | Okujwayelekile: 6m, 12m, 18m; Ngokwezifiso: kufika ku-24m |
| Ukuqeda Ukuqeda | Isiphetho Esilula (PE) / Isiphetho Esigobile (BE) |
| Ukuqedwa Komphezulu | Okungenalutho / Okugcotshwe ngamafutha / Okumnyama Okumboziwe / 3LPE / FBE |
| Ukubekezelelana | I-OD: ±0.5% (ubuningi ±3.2mm), Isisindo: -0% +15% (API), Ubude: +50mm -0mm |
4. Ubukhulu Nemininingwane Etholakalayo – Ipayipi Lensimbi le-API 5L GR.B LSAW
Ipayipi Lensimbi le-LSAW (219mm – 1,422mm OD):
| I-OD (mm) | Izinketho Zobukhulu Bodonga (mm) | Isisindo (kg/m) cishe | Ubude Obujwayelekile |
| 219 – 325 | 5.0, 6.0, 8.0, 10.0, 12.5 | 26.4 – 96.3 | 6m / 12m |
| 325 – 426 | 5.0, 6.0, 8.0, 10.0, 12.5, 14.0 | 39.5 – 142.2 | 6m / 12m |
| 426 – 530 | 6.0, 8.0, 10.0, 12.5, 14.0, 16.0 | 62.1 – 202.8 | 6m / 12m |
| 530 – 610 | 6.0, 8.0, 10.0, 12.5, 14.0, 16.0, 18.0 | 77.5 – 262.5 | 6m / 12m / 18m |
| 610 – 762 | 8.0, 10.0, 12.5, 14.0, 16.0, 18.0, 20.0 | 118.9 – 366.2 | 6m / 12m / 18m |
| 762 – 914 | 8.0, 10.0, 12.5, 14.0, 16.0, 18.0, 20.0, 22.0 | 148.7 – 484.3 | 6m / 12m / 18m |
| 914 – 1067 | 10.0, 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 223.2 – 642.5 | 6m / 12m / 18m |
| 1067 – 1220 | 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0, 30.0 | 325.4 – 881.2 | 6m / 12m / 18m |
| 1220 – 1422 | 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0, 30.0, 35.0 | 372.4 – 1,198.5 | 6m / 12m / 18m |
Qaphela: Ububanzi obukhulu obufika ku-1,600mm (63″) buyatholakala kumaphrojekthi akhethekile. Izindonga ezijiyile ezifika ku-50.8mm uma ucela.
5. Izindinganiso Ezivamile Ezikhiqizwe yiWomic Steel – Ipayipi Lomugqa le-LSAW
| Okujwayelekile | Amabanga Ensimbi | Isicelo Esijwayelekile |
| I-API 5L PSL1 | GR.B, X42, X52, X60, X65, X70 | Ipayipi lomugqa ojwayelekile |
| I-API 5L PSL2 | GR.B, X42, X52, X60, X65, X70 | Ikhwalithi ephezulu enomphumela nokuqina |
| I-ASTM A53 | GR.B | Amapayipi anengcindezi ephansi |
| I-ASTM A106 | GR.B | Isevisi yokushisa okuphezulu |
| I-EN 10217-1 | S235JR, S275JR | Amashubhu ensimbi ashiselwe ngezinjongo zokucindezela |
| I-EN 10219 | S235JRH, S275JRH, S355JRH | Izingxenye ezingenalutho ezakhiwe ngesakhiwo ezihlanganisiwe ezibandayo |
Ukusetshenziswa:Ukuphakelwa kwamanzi, ukusatshalaliswa kwegesi, ukuqoqwa kwamafutha, ukuthuthwa kodaka, izisekelo zesakhiwo, amapayipi ezimboni, ukunqwabelanisa.
6. Inqubo Yokukhiqiza – Ipayipi Lensimbi Ehlanganisiwe Eqondile ye-LSAW (JCOE) Ecwiliswe E-Arc
Inqubo Yokukhiqiza ye-LSAW Yepayipi Lensimbi (219mm – 1,422mm OD):
●Ukuhlolwa Kwezinto Ezingavuthiwe– Amapuleti ensimbi ashisiwe aqinisekisiwe ngokwakheka kwamakhemikhali kanye nezakhiwo zemishini. Ipuleti ngalinye lithola inombolo yokushisa ehlukile ukuze kulandeleke.
● Ukulungiselela Umphetho– Imiphetho yepuleti igoqwa ibe yi-bevel eqondile (ngokuvamile ngesimo sika-X noma sika-J) ukuze kungene kahle ekushiseni.
● Ukugoba ngaphambi kwesikhathi (Ukugoba)– Imiphetho igobile kusengaphambili ukuqinisekisa ukuthi iyafana emthungweni wokushisela.
● Ukwakhiwa kwe-JCOE– Ipuleti lenziwa isinyathelo ngesinyathelo: kuqala ngesimo sika-J, bese kuba ngesimo sika-C, bese kuba nesimo sika-O kusetshenziswa uchungechunge lwamadayi. Lokhu kukhiqiza ipayipi lomthungo elivulekile.
● Ukushisela Amatheki– Umthungo ovulekile uhlanganiswe nge-tack ngezikhathi ezithile ukuze ugcine uyisiyingi.
●Ukushisela Kwe-Arc Okucwiliswe Ngaphakathi (i-SAW)– I-Automatic SAW ihlanganisa umthungo wangaphakathi nge-flux kanye ne-wire.
●Ukushisela i-Arc Engaphansi Ecwiliswe Ngaphansi (i-SAW)– Umthungo wangaphandle uyashiselwa ngokushesha ngemva kwalokho, uqedela ukungena okuphelele.
●Ukwandiswa Kwemishini (ongakukhetha)– Ipayipi linwetshwa ngomshini ukuze kuthuthukiswe ukugoba nokunciphisa ukucindezeleka okusele.
●Ukusika Kuze Kube Bude– Sika nge-plasma noma uhlelo lwe-oxygen oluzenzakalelayo.
●Ukuhlolwa Okungonakalisi– 100% UT, i-RT yokuzikhethela, i-MPI, ukuhlolwa kwe-hydrostatic.
●Ukuqeda Ukuqeda– Uhlangothi oluqondile noma oluqondile njengoba kuchaziwe.
●Ukuhlolwa Kokugcina Nokumaka– Ukumaka okuhlala njalo nge-API ngayinye 5L.
Izinzuzo ze-LSAW kune-SSAW yepayipi yomugqa:Ubude obufushane bokushisela (ingozi ephansi yokukhubazeka), ukulawula okungcono kokucindezeleka okusele, ukubekezelela okuphezulu kwezindonga ezijiyile, okukhethwayo uma kunengcindezi ephezulu kanye nensizakalo emuncu.
7. Izinqubo Zokulawula Ikhwalithi Nokuhlola ze-API 5L GR.B LSAW Steel Pipe
| Isiteji | Indlela Yokuhlola | Inhloso |
| Ipuleti Eliluhlaza | Ukuhlaziywa Kwamakhemikhali (OES) | Qinisekisa imikhawulo yokwakheka |
| Ipuleti Eliluhlaza | Ukuhlolwa Kokunamathela Nokugoba | Qinisekisa izakhiwo zemishini |
| Ipuleti Eliluhlaza | Ukuhlolwa kwe-Ultrasonic | Thola ama-lamination angaphakathi |
| Kusenqubo | Ukuhlolwa Kobukhulu | Ukunemba kokwakheka kwe-monitha |
| Ukushisela | Ukuhlolwa kwe-Ultrasonic (100%) | Thola ukuntuleka kokuhlangana, i-porosity |
| Ukushisela | Ukuhlolwa Kwe-X-ray (njengoba kudingeka) | Qinisekisa ikhwalithi yokungena kwe-weld |
| Ukushisela | Ukuhlolwa Kwezinhlayiya ZikaMagnetic | Ukutholwa kwemifantu engaphezulu |
| Ipayipi Eliqediwe | Ukuhlolwa kwe-Hydrostatic (okuphoqelekile nge-API 5L) | Ubuqotho bengcindezi |
| Ipayipi Eliqediwe | Ukuhlolwa Kokugoba Okuqondiswayo | Ukuqina kokushisela |
| Ipayipi Eliqediwe | Ukuhlolwa Kokuthamba | Ukuqina kwepayipi |
| Ipayipi Eliqediwe | Okubonakalayo Nokumaka | Amaphutha obuso kanye nokumaka |
Ongakukhetha ku-PSL2: Umthelela we-Charpy, ubulukhuni, i-HIC/SSC.
8. Izicelo Eziyinhloko – Ipayipi Lensimbi le-API 5L GR.B LSAW
● Amapayipi okuhambisa amanzi okuphuza kamasipala
● Izintambo zokuvikela umlilo ezitshalweni zezimboni
● Amanethiwekhi okusabalalisa igesi yemvelo anomfutho ophansi (kufika ku-2 MPa)
● Amasekethe amanzi okupholisa eziteshini zikagesi
● Amapayipi e-slurry ezimayini (ithusi, i-iron ore tailings)
● Izinqwaba zamapayipi eziyisisekelo zezakhiwo namabhuloho
● Amapayipi enqubo yezimboni oketshezi olungaboli
9. Ukupakisha Nokuthumela – Ipayipi Lensimbi le-API 5L GR.B LSAW
●Ukuhlanganisa:Ububanzi obuncane (≤ 24″) buhlanganiswa ngezintambo zensimbi kanye nezivikelo zasekhoneni.
● Ukufakwa ngakunye:Ububanzi obukhulu buthunyelwa bukhululekile nge-dunnage yokhuni phakathi kwezingqimba.
● Iziphetho zezihloko:Izivalo zokugcina zepulasitiki noma zensimbi zivikela ama-bevel futhi zivimbele ukungena kwemfucuza.
● Ukugqoka:Kusetshenziswa uwoyela ovimbela ukugqwala noma i-FBE/3LPE coating njengoba kudingeka.
● Ukuthunyelwa:Hlukanisa ubukhulu ukuze kube nobubanzi obukhulu; izitsha zobubanzi obuncane; ama-rack ayisicaba ukuze kube nobude obude kakhulu.
● Amadokhumenti:I-MTC 3.1 noma i-3.2, umbiko wokuhlolwa kwamanzi, umbiko we-UT, uhlu lokupakisha, i-invoyisi yezentengiselwano, i-COO.
10. Izinzuzo ze-Womic Steel kanye ne-FAQ – Ipayipi Lensimbi le-API 5L GR.B LSAW
Kungani i-Womic Steel?
● Umthamo we-JCOE LSAW: amathani angu-250,000 ngonyaka
● I-API 5L Monogram kanye ne-CE kumakwe
● Ukunikezwa kwe-PSL1 kanye ne-PSL2
● Ukuhlolwa kweqembu lesithathu (i-SGS, i-BV, i-TÜV) kuyamukelwa
● Ubude obude obufika ku-24m bunciphisa ukushisela kwensimu
● Ukulandelela okugcwele kusukela epuletini kuya epayipini eliqediwe
Imibuzo ejwayelekile ukubuzwa:
U: Uyini umehluko phakathi kwe-LSAW ne-SSAW yepayipi le-GR.B?
A: I-LSAW inomthungo oqondile (ubude obufushane bokushisela) futhi ngokuvamile ikhethwa kakhulu uma kunengcindezi ephezulu, izindonga ezijiyile, kanye nezindawo ezimuncu. I-SSAW iyonga kakhulu uma inezingqimba ezinkulu kakhulu (>56″) kodwa ine-spiral weld ende.
U: Ungakwazi yini ukunikeza i-GR.B PSL2 isivivinyo somthelela?
A: Yebo. I-PSL2 ifaka i-27J @ 0°C Charpy impact, i-chemistry eqinile, kanye nemikhawulo yobulukhuni. Ifanelekela izindawo eziphansi zokushisa ezifinyelela ku--20°C.
U: Yikuphi ukumbozwa okunconywayo kwamapayipi amanzi?
A: Emigqeni yamanzi efihliwe, i-3LPE noma i-epoxy ewuketshezi ivamile. Emigqeni engaphezulu komhlaba, i-FBE noma i-epoxy enezingqimba ezimbili. Sinikeza zonke izinketho.
U: Ingabe niyazinikeza izitifiketi ze-EN 10204 3.2?
A: Yebo, uma sicelwa sihlela ukuhlolwa yizinhlangano ezaziswe yi-EU njenge-TÜV noma i-BV bese sikhipha izitifiketi ezingu-3.2.
Inkomba Yephrojekthi – Iphrojekthi Yokunikezwa Kwamanzi KaMasipala waseBangladesh
Izwe:IBangladesh
Okujwayelekile kanye Nezinga:I-API 5L GR.B PSL1
Ubukhulu kanye nobuningi:OD 914mm (36″) × UBUNZIMA 9.5mm, ubude obuyi-12m, inani lilonke lingamathani ayi-1,250 (cishe amakhilomitha angu-2.8)
Imininingwane:Iziphetho ezingenalutho, ungqimba lwangaphandle lwe-3LPE (ubukhulu obungu-2.5mm), i-hydrotest ku-1.8 MPa, i-100% UT kumthungo wokushisela kanye nomzimba wepayipi.
Isicelo:Ukuhanjiswa kwamanzi okuphuza kamasipala kusuka eMfuleni iMeghna kuya esifundeni saseNarayanganj, okusiza izakhamuzi ezingu-500,000.
Izinselele Zobuchwepheshe:
● Umzila wepayipi wawuwela imisele emithathu yamaza enomhlaba othambile onama-alluvial. Ingozi yokuhlaliswa okuhlukile yayiphezulu. I-Womic Steel yahlinzeka ngamapayipi anokubekezelelana okuqinile kwe-OD (±0.3%) ukuqinisekisa ukuhlangana okuthembekile kwe-gasket yerabha (ama-coupling asetshenziswe ensimini).
● Itafula lamanzi angaphansi komhlaba eliphezulu libangele ukukhathazeka ngokuhlukana kwe-coating ngesikhathi sokufakwa. Sifake ungqimba olwengeziwe lwe-epoxy primer ene-fusion-bonded ngaphambi kwe-3LPE, sathola amandla okususa ama-peel > 150 N/cm ku-70°C (kuhlolwe yi-SGS).
● Umkhawulo wokuthunyelwa: amapayipi kwakudingeka alethwe echwebeni laseChittagong zingakapheli izinsuku ezingu-40. I-Womic ihlanganiswe ne-COSCO ukuze kutholakale isikhala semikhumbi ephukile futhi ilethwe ezinsukwini ezingu-38.
Umphumela:Wonke amapayipi aphumelele ukuhlolwa yi-SGS yiqembu lesithathu. Azikho izinsuku zokumboza ezitholakale ngemuva kokutholwa kwamaholide angu-100%. Ipayipi laqaliswa ukusebenza ngo-2022 futhi lisasebenza ngaphandle kokuvuza nhlobo.
Xhumana:
Iwebhusayithi: www.womicsteel.com
I-imeyili: sales@womicsteel.com
Ucingo / WhatsApp / WeChat:
UVictor: +86 15575100681
UJack: +86 18390957568
I-Womic Steel – Umlingani wakho othembekile wamapayipi ensimbi yekhabhoni e-LSAW yamanzi, uwoyela, igesi, kanye nezinhlelo zokusebenza zesakhiwo emhlabeni jikelele.






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