Xhumana nathi ukuze uthole imininingwane yakamuva kanye nobukhulu bamapayipi ensimbi.
Amapayipi Ensimbi e-ASTM A252 Gr.1/2/3 – Ukwakha Nolwandle
| Izinga Lezinto Ezibalulekile | I-ASTM A252 Ibanga 1, Ibanga 2, Ibanga 3 |
| Amandla Okukhiqiza | ≥207 MPa |
| Ubukhulu / Usayizi | Ububanzi Bangaphandle: 219 mm – 3000 mm (kungenziwa ngezifiso) |
| Ubukhulu Bodonga | 6 mm – 40 mm (kungenziwa ngezifiso) |
| Ubude | Isitoko sama-6 m kanye nama-12 m; Ubude obuhlelwe ngokwezifiso buyatholakala |
| Uhlobo Lwepayipi / Ukushisela | I-SSAW (I-Spiral Submerged Arc Welded) / I-LSAW (I-Longitudinal SAW / EFW) |
| Ukubekezelelana Okulinganiselwe | Ivumelana ne-ASTM A252 |
| Isitifiketi Sekhwalithi | Umbiko Wokuhlola We-ISO 9001; SGS / BV Weqembu Lesithathu Uyatholakala |
| Ukuqedwa Komphezulu | Okumnyama, Okushisayo Okucwebezelayo, Okupendiwe, noma Okugqokwa Ngokwezifiso |
| Izicelo | Ukwakha izisekelo, amabhuloho, amachweba, amapulazi omoya asemanzini nasogwini, amaphrojekthi obunjiniyela bezokwakha anzima |
Idatha Yobuchwepheshe
Amapayipi Ensimbi e-ASTM A252Ukwakheka Kwamakhemikhali
| Isici | Okuqukethwe (%) |
| Ikhabhoni (C) | Ubuningi obungu-0.26 |
| I-Manganese (Mn) | 0.85 – 1.60 |
| I-Phosphorus (P) | Umkhawulo ongu-0.04 |
| I-Sulfur (S) | Umkhawulo ongu-0.05 |
| I-Silicon (Si) | 0.10 – 0.35 |
| Ithusi (Cu) | 0.20 – 0.30 (ongakukhetha ukumelana nokugqwala) |
Amapayipi Ensimbi e-ASTM A252Impahla Yomshini
| Impahla | Isidingo/Inani |
| Amandla Okukhiqiza (Okungenani) | 207 MPa (30 ksi) |
| Amandla Okudonsa | 345 – 455 MPa (50-66 ksi) |
| Ukwelulwa (ngama-200 mm) | ≥20% |
| Ukuhlolwa Komthelela (i-Charpy V-Notch) | Akuphoqelekile kubo bonke osayizi; kungakhethwa kumaphrojekthi okushisa okuphansi noma asogwini lolwandle |
| Ubulukhuni | I-Brinell ejwayelekile: 110–180 HB |
| Impahla | Ibanga 1 | Ibanga lesi-2 | Ibanga lesi-3 |
| Amandla Okukhiqiza Okuncane | 30,000 psi (207 MPa) | 35,000 psi (241 MPa) | 45,000 psi (310 MPa) |
| Amandla Okudonsa Aphansi | 50,000 psi (345 MPa) | 60,000 psi (415 MPa) | 66,000 psi (455 MPa) |
| Ubude Obuncane (igeyiji engu-2 intshi) | 18% | 14% | 20% |
Amapayipi e-ASTM A252Osayizi
| Imininingwane Ejwayelekile Yokuthumela Ngaphandle (Ibanga 3 Elidume Kakhulu) | |||||
| I-NPS | I-OD (mm) | Ubukhulu Bodonga | Isisindo (kg/m) | Ishejuli Ejwayelekile | Isicelo Esiyinhloko |
| 16" | 406.4 | 0.375" (9.52mm) | 92.5 | Izifo ezithathelwana ngocansi (STD) | Iziteshi zechweba, ukwakhiwa okuvamile |
| 16" | 406.4 | 0.500" (12.70mm) | 121.8 | 40 | Izisekelo zomoya zasogwini, izinsika zamabhuloho |
| 18" | 457 | 0.500" (12.70mm) | 137.4 | 40 | Izakhiwo zezimboni ezisindayo, izisekelo ezijulile |
| 24" | 609.6 | 0.500" (12.70mm) | 183.2 | 40 | Izinqwaba ezinkulu ezinobubanzi, izakhiwo zasolwandle |
| 24" | 609.6 | 0.750" (19.05mm) | 271.8 | XS | Izinhlelo zokusebenza ezisindayo kakhulu, ukushayela ngamatshe |
| 30" | 762 | 0.625" (15.88mm) | 287.5 | 40 | Amapulatifomu ase-Offshore, izisekelo ze-LNG terminal |
| 36" | 914.4 | 0.750" (19.05mm) | 392.3 | 40 | Amaphrojekthi amakhulu, amabhuloho awela ulwandle |
| Inqubo Yokukhiqiza vs. Amakhono Osayizi | |||||
| Inqubo | I-OD ephezulu (mm) | Isisindo Esiphezulu (mm) | Ibanga Lobude (m) | Ukusebenza Kahle Kwezindleko | Okuhle Kakhulu Kwaba |
| I-SSAW (I-Spiral) | 3200 | 30 | 6-18 | Okuphakeme kakhulu | Ububanzi obukhulu, ubukhulu bodonga obuphakathi (16"-48") |
| I-LSAW (JCOE) | 1422 | 50 | 6-15 | Phezulu | Udonga olujiyile kakhulu (≥1.0"), izidingo zamandla aphezulu |
| I-ERW | 660 | 25 | 6-12 | Okuphakathi nendawo | Ububanzi obuncane kuya kobuphakathi, ubukhulu bodonga obujwayelekile |
| Akunamthungo | 1016 | 100 | 6-12 | Okuphansi kakhulu | Izicelo ezibucayi, izindawo ezigqwalisayo |
Chofoza Inkinobho Kwesokudla
1. Izisekelo Zodonga Olungaphansi:Ukwakhiwa ngaphansi komhlaba kwezakhiwo ezinde, amafektri, izindawo zokugcina impahla, izakhiwo zebhizinisi nezindawo zokuhlala. Izisekelo zenqwaba (zonke izinhlobo zokwakha izakhiwo).
2. Izisekelo Zezinqwaba Zebhuloho:Izisekelo zokuthwala amabhuloho omgwaqo omkhulu, amabhuloho kaloliwe, kanye nemigwaqo yasemadolobheni. Izisekelo zenqwaba yamabhuloho omfula, echibini kanye nolwandle.
3. Ukwakhiwa Kwechweba:Isisekelo sokuthwala imithwalo sezindawo zokubeka imithwalo, amayadi emikhumbi kanye namapuleti edokhi. Imishini esindayo kanye nezinsizakalo zokulethwa kwemithwalo edokhini.
4. Amaphrojekthi Obunjiniyela Bamandla Omoya Nasemanzini Angaphandle:Izisekelo zama-turbine omoya asogwini lolwandle. Umklamo wokusekela amapulatifomu asogwini lolwandle, amapayipi asogwini lolwandle, amapayipi asogwini lolwandle, izindonga zasolwandle kanye nokho Emakhaya okuhlala Ukumelana namaza, ukumelana namaza, kanye nokugqwala kolwandle.
5. Ubunjiniyela Bokwakha Obukhulu:Izisekelo ezisindayo ezinezinqwaba ezibanzi zemisebenzi yobunjiniyela bezakhiwo ezinkulu (amadamu, iziteshi zesitimela, kanye nemigudu). Ukusekelwa kwemishini yezimboni kanye nemithwalo yezakhiwo.
1) Ihhovisi Legatsha - ukwesekwa kwabantu abakhuluma iSpanishi, usizo lokuhlanza impahla, njll.
2) Amathani angaphezu kuka-5,000 esitokweni, anobukhulu obuhlukahlukene
3) Kuhlolwa izinhlangano ezigunyaziwe njenge-CCIC, i-SGS, i-BV, ne-TUV, kanye nokupakishwa okujwayelekile okufanele ulwandle
1 Ukupakisha:Izintambo zensimbi zokuphatha kalula Amabhulokhi enkuni noma i-dunnage zifakwa phakathi kwezinqwaba ukuvimbela ukushintsha kwezitho ngesikhathi sokuthunyelwa. Ukwelashwa kwendawo (ongakukhetha): Ukupenda okumnyama, uwoyela wokuvimbela ukugqwala, ifilimu yepulasitiki. Izinqwaba ze-galvanized zingasongwa ngefilimu yepulasitiki evikelayo yesikhashana ukuvimbela ukuklwebheka indawo. Kukhona ukupakisha okwenziwe ngokwezifiso.
2 Ulwazi Lokulethwa:Ubude Obujwayelekile Obukhona Esitokweni: 6m, 12m. Ubude: obujwayelekile nobenziwe ngokwezifiso. Ziza Nesitimela Sasolwandle Nokusebenza Komgwaqo. Zilungele ukuthuthwa ngomkhumbi, ngesitimela noma ngomgwaqo, futhi ziqinile ngokwanele ekusetshenzisweni komgwaqo. Isikhathi sokulethwa siyizinsuku eziyi-15-30 ngemuva kokuthola inkokhelo, kuye ngobuningi kanye nencazelo. Zisebenza ekuthunyelweni kwamanye amazwe emhlabeni jikelele, kanye nedokhumenti ephelele (Isitifiketi Sokuhlola, Uhlu Lokupakisha, I-Bill of Lading).
3 Izinyathelo zokuphepha zokuphatha:Ungasebenzisi izihlilingi noma izingwegwe ezingenamaphedi ukuze uthintane ngqo nobuso bepayipi okungase kubangele ukuguguleka kwepayipi. Gcina endaweni epholile, eyomile futhi enomoya omuhle. Ukuze ugweme ukugqwala ngaphambi kokufakwa. Imithwalo emikhulu kakhulu futhi ekhuluphele kumele ihambisane nemithetho yokuthumela yendawo.
Umbuzo 1: KuyiniInqwaba yepayipi yensimbi ye-ASTM A252?
Ziyipayipi lensimbi elisetshenziswa ekubholeni, ezisekelweni, emabhulohweni, emachwebeni, kanye nasemsebenzini wokwakha.
UMBUZO 2: Yiziphi izinhlobo ezikhona esitokweni?
Ibanga 1, 2, kanye nelesi-3 - Ibanga 1 liyasebenza ekulayisheni okulula, Ibanga 2 lisetshenziswa esakhiweni esijwayelekile, Ibanga 3 lisebenza kakhulu ekomiseni.
Q3: Zingakanani osayizi onazo?
Ububanzi: 4"–24" (114–610mm)
Ubukhulu bodonga: 5–25mm
Ubude: 6–12m noma ngokwezidingo zakho
Umbuzo 4: Ingabe lezi zinqwaba ziphathwa ngopende?
Yebo - I-Hot-dip Galvanized, Embozwe nge-Epoxy noma Ependiwe Ukuvikela Ukugqwala.
Q5: Hlobo luni lwesitifiketi olukhishwayo?
Zonke izinqwaba ezifakiwe ukuhlolwa kwe-MTC komuntu wesithathu ziyatholakala.
Umbuzo 6: Zithunyelwa kanjani izinqwaba?
Ihlanganiswe ngezintambo zensimbi
Ukulethwa ngobuningi noma ama-pallet okhuni.
Ngezivalo zokugcina kanye nokwelashwa kokulwa nokugqwala
Umbuzo 7: Ngingazithola yini osayizi abangokwezifiso?
Yebo singakunikeza ububanzi, ubude kanye namabanga enziwe ngokwezifiso zephrojekthi yakho.
Umbuzo 8: Ungayikhetha kanjani ibanga elifanele?
Ngokusekelwe kumthamo womthwalo, isimo senhlabathi kanye nokusetshenziswa kokwakhiwa. Ukusekelwa okuvela kobunjiniyela.
Umbuzo 9: Singakanani isikhathi esijwayelekile sokulethwa?
Izinsuku ezingu-15-30, kuye ngobuningi kanye nokwenza ngokwezifiso.
Imniningwano Yokuxhumana
Ikheli
Indawo yezimboni zokuthuthukiswa kweKangsheng,
Isifunda saseWuqing, idolobha laseTianjin, eChina.
I-imeyili
Ucingo
Amahora
UMsombuluko-NgeSonto: Isevisi yamahora angu-24











