1. Womic Steel: Mphamvu Zopangira ndi Mphamvu za Kampani
Womic Steel Group ndi kampani yopanga zinthu zapamwamba komanso yotumiza kunja padziko lonse lapansi yokhala ndi zaka zoposa 20 zaukadaulo popanga zinthu zopangidwa ndi kaboni, aloyi, ndi zitsulo zosapanga dzimbiri. Malo athu opangira mapaipi a SSAW apamwamba kwambiri ali ndi mphamvu yopangira zinthu zopitilira matani 15,000 pamwezi za mapaipi achitsulo olumikizidwa ndi spiral submited arc, zomwe zimathandiza ntchito zapamadzi, zapanyanja, komanso zakuya padziko lonse lapansi.
Kukula kwa Kupanga kwa Mulu wa Chitoliro cha Chitsulo cha SSAW:M'mimba mwake wakunja kuyambira 508mm mpaka 3,000mm (mainchesi 20 mpaka 120) pa ntchito ya SSAW. Kukhuthala kwa khoma kuyambira 6.0mm mpaka 25.4mm. Kutalika kwa munthu m'modzi kuyambira 6m mpaka 18m, ndi kutalika kwapadera mpaka 60m komwe kulipo pa ntchito zozama za maziko.
Zitsimikizo Zaubwino & Kutsatira Malamulo:
ISO 9001:2015 Satifiketi:Dongosolo Loyang'anira Ubwino wa njira zopangira mapaipi ndi njira zowongolera ubwino, kuonetsetsa kuti zinthu zikuyenda bwino komanso kuti zinthu zikuyenda bwino nthawi zonse pa ntchito zonse zopangira.
Chilolezo cha API 5L / API 2B cha Monogram:Womic Steel ili ndi chilolezo cha API 5L chopangira Line Pipe ndi chilolezo cha API 2B cha Structural Steel Pipe chogwiritsira ntchito panyanja. API Monogram ikuyimira kudzipereka kwathu ku miyezo yapamwamba kwambiri yamakampani a mapaipi omangira nyumba m'mphepete mwa nyanja. Kuwunika kwa API nthawi zonse kumaonetsetsa kuti kukutsatirabe zofunikira pankhaniyi.
Kulemba kwa CE (PED 2014/68/EU):Mapaipi athu olumikizirana akutsatira malangizo a European Pressure Equipment Directive (PED) 2014/68/EU. Chizindikiro cha CE chimapezeka ngati mutachipempha kuti chithandizire kuchotsera bwino misonkho komanso kuvomereza ntchito mkati mwa European Economic Area (EEA). Chilengezo cha Magwiridwe Antchito (DoP) chaperekedwa kuzinthu zokhazikika za EN.
Chitsimikizo cha EN 10204 3.2:Kuwonjezera pa Zikalata Zoyesera za Mill 2.2 ndi 3.1, timapereka zinthu zokhala ndi Chikalata Choyesera 3.2, chotsimikiziridwa ndi mabungwe ena ovomerezeka ndi EU (TÜV, LR, BV, SGS) pa ntchito zofunika kwambiri zapamadzi ndi maziko zomwe zimafuna kutsata kwathunthu zinthuzo komanso kutsimikizira pawokha.
Kuvomerezedwa kwa Kuyang'anira kwa Gulu Lachitatu (TPI):Zogulitsa zathu ndi njira zopangira zimavomerezedwa ndikuwunikidwa ndi mabungwe akuluakulu apadziko lonse lapansi ndi Mabungwe Ogawa Zinthu kuphatikiza SGS, BV, ABS, LR, DNV, GL, ndi TÜV. Zivomerezo izi zikuwonetsa kuthekera kwathu kupereka mapaipi oyikamo zinthu kuti agwiritsidwe ntchito m'magulu ankhondo am'madzi ndi a m'mphepete mwa nyanja omwe amayendetsedwa ndi anthu.
Zitsimikizo Zowonjezera Zomwe Zilipo:
ISO 14001:2015(Njira Yoyang'anira Zachilengedwe) -- Yodzipereka ku machitidwe opangira zinthu okhazikika
ISO 45001:2018(Njira Yoyang'anira Zaumoyo ndi Chitetezo Pantchito) -- Kuonetsetsa kuti malo ogwirira ntchito ndi otetezeka
FPC (Kulamulira Kupanga Mafakitale)malinga ndi EN 10248 / EN 10219 -- Kudzidziwitsa nokha kuti mukutsatira chizindikiro cha CE
NORSOK M-650(Muyezo waku Norway wa zipangizo zachitsulo) -- Ikupezeka pa ntchito za ku North Sea za m'mphepete mwa nyanja
Kuzindikirika Padziko Lonse:Womic Steel ndi kampani yodalirika yopereka makontrakitala a EPC padziko lonse lapansi, akuluakulu a madoko, makampani opanga mainjiniya apamadzi, ndi makontrakitala okhazikitsa maziko, omwe akutumikira mayiko oposa 80 ku Southeast Asia, Europe, Middle East, Africa, ndi America.
2. ASTM A252 GR.3: Kapangidwe ka Zinthu ndi Makhalidwe Abwino
ASTM A252 GR.3Ndi muyezo wa ku America wa mapaipi opangidwa ndi zitsulo zolumikizidwa komanso zopanda msoko. Dzina la "GR.3" limasonyeza Giredi 3, lomwe lili ndi mphamvu yofunikira kwambiri pakati pa magulu atatu a ASTM A252 (GR.1, GR.2, GR.3). Giredi 3 imapereka mphamvu yocheperako ya 345 MPa (50,000 psi), zomwe zimapangitsa kuti ikhale chisankho chomwe chimakondedwa kwambiri pa maziko akuya, kuyika mipiringidzo ya m'madzi, ndi kugwiritsa ntchito zinthu zolemera komwe kumafunika kulimba kwa kapangidwe kake.
ASTM A252 GR.3 yapangidwa makamaka kuti igwiritsidwe ntchito popachika milu, imapereka kuthekera kolumikizana bwino kwambiri popachika milu, kulimba kwabwino kutentha kochepa m'malo okhala m'nyanja, komanso kusinthasintha kokwanira kuti ipirire kupsinjika kwa kuyendetsa milu panthawi yoyika milu. Poyerekeza ndi milu yokhazikika monga A36, milu iyi imapereka mphamvu yonyamula katundu wambiri, zomwe zimathandiza kuti miluyo iyendetsedwe mozama komanso kuchepetsa kuchuluka kwa milu.
Kapangidwe ka Mankhwala (Kusanthula kwa Ndende, % ndi kulemera):
| Chinthu | ASTM A252 GR.3 (Max %) |
| C | 0.26 |
| Mn | 1.35 |
| P | 0.040 |
| S | 0.050 |
| Si | --- |
| Cu | --- |
Zindikirani: ASTM A252 GR.3 yapangidwa kuti igwiritsidwe ntchito poyika zinthu zambirimbiri zomwe zimakhala zolimba komanso zolimba kuti zipirire kupsinjika koyendetsa popanda kusweka. Chofanana ndi kaboni (CEV) nthawi zambiri chimawongoleredwa kuti chitsimikizire kuti chikugwirizana bwino ndi kulumikiza milu.
Katundu wa Makina (Kutentha kwa Chipinda):
| Katundu | ASTM A252 GR.3 |
| Mphamvu Yopereka (mphindi) | 345 MPa (50,000 psi) |
| Mphamvu Yokoka (mphindi) | 455 MPa (66,000 psi) |
| Kutalika (mphindi) | 20% (ya 50mm gauge) |
| Kulimba kwa Impact | Sizinatchulidwe (ngati mukufuna) |
*Zindikirani: Pa ntchito za m'madzi zomwe zimafuna kulimba kwa kugunda kwa kutentha kochepa, mayeso owonjezera a kugunda kwa madzi akhoza kutchulidwa ngati chinthu chofunikira. Kuyesa kugunda kwa madzi pa 0°C, -20°C, kapena -40°C kulipo ngati mutapempha.*
Kuyerekeza kwa Magiredi a Mapaipi a ASTM A252 Piling:
| Giredi | Mphamvu Yotulutsa (MPa) | Mphamvu Yokoka (MPa) | Ntchito Yachizolowezi |
| GR.1 | 205 | 345 | Maziko opepuka, osaya kwambiri |
| GR.2 | 240 | 415 | Katundu wochepa, maziko omangira |
| GR.3 | 345 | 455 | Katundu wolemera, wa m'madzi, maziko akuya |
Zindikirani: Pa mapulojekiti ovuta kwambiri a m'madzi omwe amafuna mphamvu zambiri zoyendetsera ndi kulowa mozama, ASTM A252 GR.3 ndiye giredi yoyenera.
3. Kutsatira Miyeso ndi Magawo a Dimensional Range
Womic Steel imapereka mapaipi achitsulo a ASTM A252 GR.3 SSAW pamitundu yosiyanasiyana, mogwirizana ndi ASTM A252 ndi miyezo ina yapadziko lonse lapansi. Njira ya SSAW (Spiral Submerged Arc Welded) ndi yabwino kwambiri popangira mapaipi akuluakulu.
| Chinthu | Kufotokozera |
| Muyezo | ASTM A252 (GR.1, GR.2, GR.3) |
| Njira Yopangira | SSAW (Mzere Wozungulira Wolumikizidwa ndi Arc) - 508mm-3,000mm OD |
| Kunja kwa Makulidwe Aakulu | 508mm – 3,000mm (20" – 120") |
| Makulidwe a Wall | 6.0mm – 25.4mm |
| Kutalika kwa Utali | Muyezo: 6m, 12m, 18m / Mwamakonda: mpaka 60m |
| Mapeto Omaliza | Mapeto Opanda Mtundu (PE) / Mapeto Okhala ndi Beveled (BE) okhala ndi mphete zachitsulo zoperekedwa nsembe zomwe mungasankhe |
| Kumaliza Pamwamba | Wopanda kanthu / Wopaka Mafuta / Wokutidwa Wakuda / 3PE / FBE / Coal Tar Epoxy |
| Kulekerera | OD: ±1.0% / WIT: -0% +15% (ASTM) / Kutalika: +50mm -0mm |
4. Miyeso ndi Mafotokozedwe Omwe Alipo - Mulu wa Chitoliro cha Chitsulo cha ASTM A252 GR.3 SSAW
Chitoliro Chokulungira cha SSAW (508mm – 3,000mm OD)
| OD (mm) | Zosankha za Kukhuthala kwa Khoma (mm) | Kulemera (kg/m2) | Kutalika Kwanthawizonse |
| 508 – 610 | 6.0, 8.0, 10.0, 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 74.3 – 360.5 | 6m / 12m / 18m |
| 610 – 762 | 6.0, 8.0, 10.0, 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 89.4 – 454.3 | 6m / 12m / 18m |
| 762 – 914 | 6.0, 8.0, 10.0, 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 111.9 – 548.2 | 6m / 12m / 18m / 24m |
| 914 – 1,067 | 8.0, 10.0, 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 178.7 – 642.4 | 6m / 12m / 18m / 24m |
| 1,067 – 1,220 | 8.0, 10.0, 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 209.0 – 736.5 | 6m / 12m / 18m / 24m |
| 1,220 – 1,422 | 10.0, 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 298.4 – 859.8 | 6m / 12m / 18m / 24m |
| 1,422 – 1,625 | 10.0, 12.5, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 348.2 – 986.5 | 6m / 12m / 18m / 24m |
| 1,625 - 2,000 | 12.0, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 477.1 – 1,217.4 | 6m / 12m / 18m |
| 2,000 - 2,500 | 12.0, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 588.5 – 1,527.2 | 6m / 12m / 18m |
| 2,500 - 3,000 | 12.0, 14.0, 16.0, 18.0, 20.0, 22.0, 25.0 | 736.5 – 1,841.7 | 6m / 12m / 18m |
Dziwani: Miyeso yopangidwa mwamakonda kunja kwa miyeso iyi ikupezeka ngati mungafune. Ma diameter akuluakulu (mpaka 3,500mm / 138") amapezeka pamapulojekiti apadera.
5. Chitoliro Chofanana cha Piling, Marine & Foundation Standards Chopangidwa ndi Womic Steel
| Muyezo | Magiredi a Zitsulo | Ntchito Yachizolowezi |
| Miyezo Yopangira Zinthu ya ASTM | ||
| ASTM A252 | GR.1, GR.2, GR.3 | Mapaipi achitsulo okhala ndi maziko akuya, milu yamadzi |
| ASTM A500 | GR.A, GR.B, GR.C | Machubu ozungulira/apakati omangira ndi kulimbitsa |
| ASTM A501 | GR.A, GR.B | Machubu opangidwa ndi kapangidwe kotentha okonzera mipiringidzo |
| ASTM A690 | Gulu la Mariner | Zitsulo zodzaza ndi dzimbiri m'madzi a m'nyanja |
| ASTM A572 | GR.42, GR.50, GR.60, GR.65 | Kuyika zinthu mozungulira mopanda mphamvu kwambiri |
| ASTM A588 | GR.A, GR.B, GR.C | Chitsulo chozungulira, maziko a mlatho |
| Miyezo Yopangira Zinthu ya EN | ||
| EN 10248 | S235GP, S275GP, S355GP | Kuyika mapepala achitsulo otenthedwa ndi kutentha komanso kuyika mapaipi |
| EN 10219 | S235JRH, S275JRH, S355JRH, S355J2H | Zigawo zopanda kanthu zopangidwa ndi chivundikiro chozizira kuti zikulungidwe |
| EN 10025 | S235JR, S275JR, S355JR, S355J2 | Chitsulo chopangidwa ndi chitsulo chotenthedwa kuti chigwiritsidwe ntchito m'madzi |
| Miyezo ya API | ||
| API 5L | GR.B, X42, X52, X65, X70 | Chitoliro cha mzere chomwe chimagwiritsidwa ntchito ngati cholumikizira (chofala kwambiri m'mphepete mwa nyanja) |
| API 2B | GR.42, GR.50, GR.60 | Kuyika chitoliro chachitsulo chapanyanja |
| Miyezo ya JIS | ||
| JIS A5525 | SKK400, SKK490, SKK540 | Mapaipi achitsulo a nyumba zapamadzi ndi zapamadzi |
| JIS G3444 | STK290, STK400, STK490, STK540 | Machubu achitsulo cha kaboni omangira zinthu |
Kagwiritsidwe:Kuyika maziko olimba, kuyika zipilala za m'nyanja, maziko a nsanja ya m'mphepete mwa nyanja, kumanga doko ndi doko, maziko a mlatho, chitetezo cha m'mphepete mwa nyanja, malo otsekereza madzi, dongosolo la fender, mulu wa jekete, kumanga doko ndi doko, kukonzanso malo, kuphunzitsa mtsinje, uinjiniya wa ngalande, kumanga doko la madzi akuya, maziko okonzanso zivomerezi, makoma osungira, ma cofferdams, maziko a caisson, maziko a turbine ya mphepo ya m'mphepete mwa nyanja
6. Njira Yopangira - Mulu wa Chitoliro cha SSAW (Spiral Submerged Arc Welded)
Njira Yopangira SSAW ya Chitoliro Chokulungira (508mm - 3,000mm OD):
Kuyang'anira Zinthu Zopangira (Coil):Ma coil achitsulo obwera ndi hot-rolled amatsimikiziridwa kuti ali ndi kapangidwe ka mankhwala, mawonekedwe a makina, ndi mtundu wa pamwamba poyerekeza ndi ASTM A252 kapena zomwe kasitomala akufuna. Coil iliyonse imapatsidwa nambala yapadera ya kutentha kuti zitsimikizire kuti zinthuzo zikutsatira bwino nthawi yonse yopangira.
Kutsegula ndi Kulinganiza:Ma coil achitsulo amaikidwa pa chotulutsira mpweya ndipo amaperekedwa kudzera mu makina olinganiza bwino kuti aphwanyike mzerewo, kuchotsa ma coil ndikuwonetsetsa kuti athyathyathya mofanana kuti apange mawonekedwe ozungulira nthawi zonse.
Kupukuta ndi Kudula Mphepete:Mphepete zonse ziwiri zazitali za mzere wachitsulo zimaphwanyidwa ndikudulidwa kuti zikhale ndi mulifupi wolondola (± 0.5mm). Kukonzekera m'mphepete kumapanga malo oyera, ofanana ofunikira kuti pakhale chotchinga chapamwamba kwambiri.
Kupanga Kozungulira:Chingwe cholinganizidwa chimalowetsedwa mu makina opangira mawonekedwe ozungulira pa ngodya yolamulidwa ya helix. Chingwecho chimapangidwa mosalekeza kukhala mawonekedwe ozungulira, ndipo m'mbali mwake mumakhala ngati cholumikizira. Ngodya ya helix imatha kusinthidwa kuti ipange mainchesi osiyanasiyana kuchokera m'lifupi mwake.
Kuwotcherera kwa Arc Yoviikidwa M'madzi (SAW):Msoko wamkati wozungulira umalumikizidwa kaye pogwiritsa ntchito zida zolumikizira za arc zomwe zimayikidwa zokha pansi pa madzi ndi kuphatikiza koyenera kwa flux ndi waya. Mutu wa cholumikizira umayikidwa mkati mwa chitoliro kuti zitsimikizire kuti zilowa bwino.
Kuwotcherera kwa Arc Yoviikidwa M'madzi Yakunja (SAW):Msoko wakunja wozungulira umalumikizidwa nthawi yomweyo pambuyo pa weld yamkati, pogwiritsa ntchito zida zodziyimira zokha za arc. Weld yakunja imamaliza weld yonse yolowera ndipo imapereka mphamvu yowonjezera.
Kudula Motalika:Chitoliro chozungulira cholumikizidwa mosalekeza chimadulidwa kutalika koyenera pogwiritsa ntchito njira zodulira za plasma kapena okosijeni zokha ndi kuwongolera kutalika kolondola (+50mm -0mm kuti mudziwe zambiri zokhudza kuyika kwa chitoliro).
Kuyesa Kosawononga (NDT):
Kuyesa kwa Ultrasonic 100% (UT):Dongosolo la UT lokha limayang'ana msoko wonse wa spiral weld ndi thupi lonse la chitoliro kuti lione ngati pali ma lamination, zinthu zomwe zili mkati mwake, kusowa kwa fusion, ndi zina zotero.
Kuyesa kwa X-ray (RT):Kuwunika kwa X-ray kapena gamma-ray kwa msoko wothira (malo kapena kutalika konse monga momwe zafotokozedwera) kuti zitsimikizire ubwino wa wothira ndi kulowa kwake.
Kuyang'anira Tinthu ta Magnetic (MPI):Kuyang'ana zala zachitsulo ndi malo omwe akhudzidwa ndi kutentha kuti awone ming'alu ndi kusokonekera kwa pamwamba.
Kuyesa kwa Hydrostatic (Mwakusankha):Imapezeka ngati kasitomala apempha kuti igwiritsidwe ntchito pokonza zinthu zofunika kwambiri zomwe zimafuna kutsimikizira kukhulupirika kwa kukakamizidwa.
Kumaliza Kumaliza:Malekezero osadulidwa bwino (odulidwa sikweya) kapena malekezero opindika (ngodya ya bevel ya 30°-35°) malinga ndi zomwe kasitomala akufuna. Mphete zachitsulo zoperekedwa nsembe zitha kulumikizidwa ku malekezero a mapaipi kuti zitetezeke kwambiri poyendetsa milu.
Kuyang'anira ndi Kulemba Komaliza:Kuyang'ana kowoneka bwino kwa zolakwika pamwamba, kutsimikizira kwa miyeso (OD, WT, kutalika, kulunjika, kuzungulira), ndi chizindikiro chokhazikika malinga ndi ASTM A252 (kuphatikiza giredi, kukula, nambala ya kutentha, chizindikiritso cha wopanga).
Ubwino wa Njira ya SSAW pa Kuyika Chitoliro:
1. Kutha kupanga ma diameter akuluakulu (mpaka 3,000mm+) kuchokera ku ma coils okhazikika a m'lifupi
2. Njira yopangira mosalekeza kuti ikhale yogwira mtima kwambiri
3. Yotsika mtengo pakugwiritsa ntchito mipiringidzo yayikulu
4. Kukhazikika kwabwino komanso kuzungulira bwino poyendetsa
7. Njira Zowongolera Ubwino ndi Kuyesa Chitoliro cha SSAW
| Gawo | Njira Yowunikira | Cholinga |
| Zipangizo Zopangira (Koyilo) | Kusanthula kwa Mankhwala (OES Spectrometer) | Tsimikizirani kuti mukutsatira malire a kapangidwe ka ASTM A252 |
| Zipangizo Zopangira (Koyilo) | Kuyesa Kwamphamvu | Tsimikizani mphamvu yogwira ntchito, mphamvu yokoka, ndi kutalika |
| Zipangizo Zopangira (Koyilo) | Kuyesa kwa Ultrasonic | Dziwani zotchinga zamkati ndi zolakwika |
| Mukukonzekera | Kuyang'anira Miyeso (Maikromita) | Monitor OD, WT panthawi yozungulira |
| Mukukonzekera | Kuyang'anira Kukonzekera M'mphepete | Tsimikizani momwe m'mphepete mulili komanso momwe zinthu zilili |
| Malo Osefera | Kuyesa kwa Ultrasonic (UT) - Pa intaneti | Dziwani kusagwirizana kwa weld, kusowa kwa fusion |
| Malo Osefera | Kuyesa kwa X-ray (RT) | Tsimikizani kulowa kwa weld, porosity, ndi slag integration |
| Malo Osefera | Kuyang'anira Tinthu ta Magnetic (MPI) | Kuzindikira ming'alu pamwamba (kuwotcherera ndi HAZ) |
| Chitoliro Chomalizidwa | Kuyang'anira Magawo | Tsimikizirani OD, WT, kutalika, kulunjika, kuzungulira |
| Chitoliro Chomalizidwa | Kuyesa kwa Hydrostatic (Mwakusankha) | Tsimikizani kukhulupirika kwa kupanikizika pa ntchito zofunika kwambiri |
| Chitoliro Chomalizidwa | Mayeso Otsogozedwa a Bend | Tsimikizirani kulimba kwa weld komanso kulimba kwake |
| Chitoliro Chomalizidwa | Mayeso Ophwanyika | Tsimikizirani kuti thupi la chitoliro ndi lolimba komanso lolimba |
| Chitoliro Chomalizidwa | Mayeso a Charpy V-Notch Impact (Osasankha) | Tsimikizirani kulimba kwa kutentha kochepa kuti mugwiritse ntchito m'madzi |
| Chitoliro Chomalizidwa | Mayeso a Kuuma (Mwasankha) | Tsimikizani kuuma kwakukulu kwa weldability |
| Chitoliro Chomalizidwa | Kuyang'ana Kowoneka ndi Pamwamba | Yang'anani ngati pali zolakwika pamwamba, ma lamination, ndi ming'alu |
| Chitoliro Chomalizidwa | Kutsimikizira Zizindikiro | Onetsetsani kuti chizindikiro chokhazikika chikugwirizana ndi muyezo |
Mayeso Osankha pa Ntchito Zofunikira Zapamadzi ndi Zapanyanja:
● Kuyesa kwa CTOD (Kutsegula Nsonga ya Mipata) kuti muwone ngati kusweka kuli kolimba
● Kuyesa kwa HIC (Hydrogen Induced Cracking) pa NACE TM0284
● Mayeso a SSC (Sulfide Stress Cracking) pa NACE TM0177
● Kuyesa Kotsika kwa Kutentha pa -20°C, -40°C, kapena -60°C
● Kuyesa Kulimba (HV10 kapena HRC) kuti mudziwe ngati pali kuyenerera kwa ntchito ya sour
Zolemba Zabwino:
● Satifiketi Yoyesera ya Mill malinga ndi EN 10204 Mtundu 2.2, 3.1, kapena 3.2
● Lipoti la Mayeso a Ultrasonic (kuwotcherera ndi thupi)
● Lipoti la Kuyesa kwa X-ray (ngati lafotokozedwa)
● Lipoti Loyang'anira Miyeso
● Kulondola kuchokera ku chiwerengero cha kutentha kupita ku chitoliro chomalizidwa
8. Ntchito Zoyambira - Mulu wa Chitoliro cha Chitsulo cha ASTM A252 GR.3 SSAW
Mapaipi achitsulo a ASTM A252 GR.3 SSAW ndi zinthu zofunika kwambiri pa maziko olimba, zomangamanga za m'madzi, ndi mapulojekiti akuluakulu a zomangamanga:
Kuyika Maziko Ozama:Milu yonyamula katundu ya nyumba zazitali, milatho, mafakitale, ndi nyumba zolemera zomwe zimafuna maziko olimba. Mphamvu yayikulu ya GR.3 imalola kuyendetsa mozama kwambiri komanso mphamvu yayikulu yonyamula katundu.
Maziko a Nsanja ya Marine & Offshore:Maziko a maziko a malo osungira mafuta ndi gasi m'mphepete mwa nyanja, zida zobowolera, malo opangira zinthu, ndi maziko a ma turbine amphepo m'mphepete mwa nyanja. Kuyika zipilala za m'nyanja kuyenera kupirira mphamvu ya mafunde, mphamvu zamphamvu, ndi malo owononga madzi a m'nyanja.
Ntchito Yomanga Doko, Doko ndi Madoko:Kuyika milu ya malo oimikapo ziwiya, malo onyamula katundu wambiri, malo oimikapo anthu, malo osungira katundu wa Ro-Ro, ndi malo oimikapo katundu wamba. Miluyi imapereka chithandizo cha kapangidwe ka nyumba za padenga, malo oimikapo ma dolphin, ndi ma dolphin oyamwitsa.
Maziko a Mlatho ndi Doko:Mizati yozama ya maziko a mizati, makoma oteteza, ndi maziko a nsanja za milatho yokhazikika ndi yopachikika. Mizati imasamutsa katundu womangidwa ku zigawo zoyenera zonyamulira.
Chitetezo cha M'mphepete mwa Nyanja ndi Khoma la Nyanja:Kuyika milu ya nyumba za m'mphepete mwa nyanja, malo oimikapo miyala m'mphepete mwa nyanja, kuteteza gombe, ndi kuwongolera kukokoloka kwa nthaka. Mapaipi achitsulo amapereka chithandizo champhamvu cha zomangamanga za zida zankhondo ndi zophimba za konkire.
Kapangidwe ka Madzi Otsetsereka ndi Jetty:Kuyika maziko a madzi otchingira mipanda ya zinyalala, malo otchingira makoma oimirira, malo otsetsereka, ndi malo otsetsereka. Miyalayi imapereka maziko olimba a nyumba zomwe zimachotsa mafunde.
Chithandizo cha Fender System:Ma pile ochirikiza machitidwe a zotchingira za m'madzi pa malo oimikapo matabwa ndi malo oimikapo matabwa. Ma pile amayamwa mphamvu zoimikapo matabwa ndipo amateteza sitima ndi kapangidwe kake panthawi yomangirira.
Mulu wa Jekete la Pulatifomu ya Mafuta ndi Gasi:Kuyika milu ya majekete othandizira mapulatifomu opangira mafuta ndi gasi. Milu yayikulu komanso yokhuthala imakhomeredwa m'miyendo ya jekete ndikuyikidwa m'malo mwake.
Kukonzanso ndi Kukonzanso Malo Khoma la Mphepete mwa Nyanja:Kuyika milu ya nyumba zosungira malo osungiramo zinthu, makoma ozungulira nyanja, ndi mipanda yosungiramo zinthu. Miluyi imapereka mawonekedwe abwino a mapulojekiti okulitsa nthaka.
Maphunziro a Mitsinje ndi Kuletsa Kusefukira kwa Madzi:Kuyika milu ya mapaipi kuti ateteze gombe la mtsinje, kutsogolera gombe, ma spurs, ndi nyumba zowongolera kusefukira kwa madzi. Mapaipi achitsulo amalimbitsa gombe la mtsinje ndikuteteza ku kusaka ndi kukokoloka kwa nthaka.
Uinjiniya wa Ngalande & Kudula ndi Kuphimba:Kuyika milu ya maziko a ngalande zodulidwa ndi kuphimba, makoma obisika a milu, ndi zomangamanga zothandizira makoma a ngalande. Milu imapereka chithandizo choyimirira ndi cham'mbali cha nyumba zapansi panthaka.
Maziko a Kukonzanso Zinthu Zachilengedwe:Kukonza zinthu zomwe zilipo kale, kuphatikizapo maziko a milatho, maziko a nyumba, ndi nyumba za doko zomwe zimafuna kulimba mtima kwambiri pa chivomerezi.
9. Kulongedza ndi Kutumiza - ASTM A252 GR.3 SSAW Chitoliro cha Chitsulo
Mapaipi achitsulo a ASTM A252 GR.3 SSAW amapakidwa ndi kutumizidwa mosamala kwambiri kuti atsimikizire kuti ali otetezeka panthawi yoyenda. Nayi kufotokozera kwa njira yopakira ndi kutumiza mapaipi akuluakulu a SSAW:
Kupaka:
Chophimba Choteteza:Musanapake mapaipi, mapaipi amatha kupakidwa mafuta oletsa dzimbiri kapena varnish yoteteza kuti asawonongeke pamwamba ndi kusungunuka kwa okosijeni panthawi yosungira ndi kunyamula. Mapeto opanda kanthu amapezekanso kuti agwiritsidwe ntchito nthawi yomweyo pamalo omwe akupita kapena m'malo okhala ndi madzi a m'nyanja komwe kuli koyenera kuti dzimbiri lizilowe.
Kulumikiza (Ma diameter Ang'onoang'ono):Pa mapaipi ang'onoang'ono okwana mainchesi (nthawi zambiri osakwana 610mm / 24"), mapaipi amalumikizidwa pamodzi m'mabokosi a hexagonal kapena a rectangle. Amamangidwa pogwiritsa ntchito zingwe zachitsulo (nthawi zambiri zingwe 3-5 pa mtolo uliwonse wokhala ndi zoteteza pakona) kuti aletse kuyenda mkati mwa mtolo.
Kuyika Zinthu Pamodzi Pamodzi (Ma diameter Aakulu):Pa mapaipi akuluakulu (oposa 610mm / 24"), mapaipi nthawi zambiri amasamaliridwa ndikutumizidwa payekhapayekha chifukwa cha kulemera ndi mawonekedwe ake. Dothi lamatabwa kapena la rabara loyikidwa pakati pa zigawo za mapaipi limaletsa kusweka ndi kuwonongeka kwa chophimba.
Mapeto a Zipewa:Zivundikiro za pulasitiki kapena zachitsulo zimayikidwa kumapeto onse a chitoliro chilichonse kuti ziteteze malekezero opindika, malekezero osalala kuti asawonongeke ndi kugundana, kulowa kwa zinyalala, ndi chinyezi.
Mphete zachitsulo zoperekedwa nsembe (ngati mukufuna):Pa mapaipi omangira omwe amafunikira chitetezo champhamvu kumapeto kwa chitoliro, mphete zachitsulo zosagwira ntchito (nthawi zambiri 50-100mm m'lifupi, 6-12mm makulidwe) zimalumikizidwa kumapeto kwa chitoliro chilichonse. Mphetezi zimayamwa kugundana kwa nyundo yoyendetsera ndipo zimateteza kumapeto kwa chitoliro kuti chisawonongeke.
Kuphimba ndi Kuphimba:Pa maoda apamwamba kwambiri otumizira kunja, zipangizo zomangira monga mphete za thovu, zingwe za rabara, kapena matabwa zimagwiritsidwa ntchito pakati pa zigawo za mapaipi kuti zisawonongeke, kuwonongeka kwa pulasitiki, komanso kuwonongeka kwa kugundana panthawi yogwira ntchito ndi yodutsa.
Mfundo Zokwezera:Ma trolley onyamulira katundu kapena malo onyamulira katundu omwe asankhidwa akhoza kuwonjezeredwa ku mapaipi olemera (oposa 2,000 kg pa paipi iliyonse) kuti athe kutsitsa katundu mosamala pamalo omwe akupita pogwiritsa ntchito crane kapena forklift.
Manyamulidwe:
Njira Yoyendera:Mapaipi amatumizidwa kudzera m'zombo zotengera (zombo za 20ft kapena 40ft za mainchesi ang'onoang'ono), zonyamulira katundu wambiri (kugawa katundu wambiri m'ma diameter akuluakulu ndi ma volume akuluakulu), kapena katundu wa sitima, kutengera komwe akupita, kuchuluka kwa oda, ndi kufunikira kotumizira. Zombo zonyamula katundu wa polojekitiyi zitha kugwiritsidwa ntchito pa mapaipi akuluakulu kwambiri kapena aatali kwambiri.
Kuyika mu chidebe (Ma diameter Ang'onoang'ono):Pa mapaipi ang'onoang'ono a mainchesi (nthawi zambiri osakwana 508mm / 20"), mapaipi amaikidwa m'zidebe zotumizira za 20ft kapena 40ft kuti zitsimikizire kuti mayendedwe ake ndi otetezeka komanso okonzedwa bwino. Kunyamula katundu m'zidebe kumateteza katundu ku nyengo, chinyezi, ndi zinthu zina zodetsa. Kunyamula katundu m'zidebe nthawi zambiri kumakhala matani 20-25 pa chidebe cha 20ft.
Kunyamula Ziwiya Zambiri (Ma diameter Aakulu & Ma volume Aakulu):Pa maoda akuluakulu (nthawi zambiri matani 500) kapena mapaipi akuluakulu (oposa 508mm / 20"), mapaipi amalowetsedwa mwachindunji m'zonyamulira zazikulu kapena m'zombo zoyendera. Matabwa onyamulira ndi mipiringidzo yofalitsira amateteza kuwonongeka panthawi yonyamula katundu. Kudula, kulumikiza, ndi kutseka unyolo zimagwiritsidwa ntchito poletsa kusuntha kwa katundu panthawi yoyenda panyanja. Njirayi ndi yotsika mtengo kwambiri pa ntchito zonyamula katundu m'madzi.
Chidebe Chokhazikika Kapena Chotseguka Chapamwamba (Chotalika Kwambiri / Chotalika Kwambiri):Pa mapaipi opitilira miyeso yokhazikika ya chidebe (kutalika >12m kapena m'mimba mwake >2.3m), zidebe za flat rack kapena zidebe zotseguka pamwamba zingagwiritsidwe ntchito pochotsa kuchuluka kwa katundu wambiri. Zidebe zapaderazi zimathandiza kuti katundu wamkulu anyamulidwe bwino.
Zolemba ndi Zolemba:Chitoliro chilichonse kapena chitoliro chilichonse chili ndi zilembo zofunika kwambiri kuphatikizapo mtundu wa zinthu, muyezo, kukula, nambala ya kutentha, nambala ya chitoliro/chitoliro, ndi malangizo ogwiritsira ntchito. Zikalata zonse zotumizira katundu zakonzedwa kuti zichotsedwe pamisonkhano ndi kutsatira katundu.
Kutsatira Malamulo a Kasitomu:Pa kutumiza kunja, zikalata zonse zofunika za kasitomu --- kuphatikiza invoice yamalonda, mndandanda wolongedza katundu, chikalata chonyamula katundu, Satifiketi Yoyambira (ngati pakufunika), Zikalata Zoyesera Mill, ndi zilolezo zilizonse zofunikira zotumizira katundu kunja --- zimakonzedwa kuti zitsimikizire kuti doko lopitako lifika bwino.
Kusunga Kotetezeka:Mkati mwa galimoto yonyamulira katundu kapena chidebe, mitolo ndi mapaipi osiyanasiyana amamangiriridwa bwino pogwiritsa ntchito zingwe zachitsulo (zokhala ndi zotetezera pakona), matumba a dunnage, zomangira matabwa, kapena zomangira unyolo kuti zisasunthe, kugubuduzika, kapena kusuntha komwe kungayambitse kuwonongeka panthawi yoyenda.
Kutsata ndi Kuyang'anira:Njira zamakono zotsatirira zinthu zimagwiritsidwa ntchito poyang'anira momwe katundu watumizidwa komanso kupereka zosintha za malo enieni kwa makasitomala. Manambala otsatirira zinthu amaperekedwa pa katundu yense wotumizidwa ndi zinthu. Kutsata zinthu pa katundu wotumizidwa ndi zinthu zambiri kulipo.
Inshuwalansi:Kutengera mtengo wa oda ndi zosowa za makasitomala, inshuwaransi ya katundu wa m'madzi (Zoopsa Zonse kapena Ndi Avereji ya Inshuwaransi) ikhoza kukonzedwa kuti iphimbe kutayika kapena kuwonongeka komwe kungachitike panthawi yoyenda. Pa ntchito zonyamula katundu wa m'madzi zamtengo wapatali, inshuwaransi yowonjezera yokonza ndi kukhazikitsa ingalimbikitsidwe.
Kukonzekera Kunyamula Zinthu Zolemera:Pa mapaipi olemera kwambiri (oposa 5,000 kg pa chitoliro chilichonse), kulumikizana pasadakhale ndi doko lopitako la zida zonyamulira katundu wolemera (ma crane okhala ndi mphamvu zokwanira, mipiringidzo yapadera yofalitsira) ndikofunikira. Womic Steel imapereka tsatanetsatane wa katundu kuphatikiza kulemera kwa chitoliro ndi miyeso ya kukonzekera polojekiti.
Mwachidule, Womic Steel imaonetsetsa kuti mapaipi onse achitsulo a ASTM A252 GR.3 SSAW amapakidwa ndi njira zodzitetezera zotsogola m'makampani ndipo amatumizidwa pogwiritsa ntchito njira zodalirika zoyendera kuti akafike komwe akupita ali bwino. Njira zoyenera zopakira ndi kutumiza ndizofunikira kwambiri kuti zinthu zomwe zaperekedwa zisungidwe bwino komanso zabwino, makamaka pa ntchito zofunika kwambiri za maziko amadzi.
10. Ubwino ndi Mafunso Ofunsidwa Kawirikawiri pa Chitsulo cha Womic - ASTM A252 GR.3 SSAW Chitoliro cha Chitoliro
N’chifukwa Chiyani Muyenera Kugwirizana ndi Womic Steel pa Chitoliro cha ASTM A252 GR.3 SSAW Piling?
Mitundu Yonse ya Makulidwe:Njira ya SSAW imatenga 508mm mpaka 3,000mm OD, makulidwe a khoma mpaka 25.4mm, kutalika mpaka 60m pa ntchito zomangira maziko akuya komanso zomangira za m'nyanja.
Kuyang'ana Kwambiri pa Zam'madzi ndi Zapanyanja:Chidziwitso chapadera pa ntchito zomangira zipilala za m'nyanja ndi m'mphepete mwa nyanja kuphatikizapo kumanga madoko, nsanja za m'nyanja, maziko a milatho, ndi mapulojekiti oteteza m'mphepete mwa nyanja. Kumvetsetsa za chitetezo cha dzimbiri la m'nyanja ndi zofunikira pakuyendetsa zinthu.
Mphete zachitsulo zoperekedwa nsembe:Kulukira mphete zachitsulo zoperekedwa nsembe ku malekezero oyendetsera mapaipi mkati mwa nyumba kuti zitetezedwe bwino panthawi yoyendetsa mapaipi, kuchepetsa kusintha kwa malekezero a mapaipi ndi kuchedwa kukhazikitsa.
Ntchito Zowonjezera Mtengo:Kuphimba kumapeto (30°-35°), kudula kopanda malire, chophimba choteteza (FBE, 3LPE, Coal Tar Epoxy, Galvanizing), ndi zokutira zotsutsana ndi dzimbiri zomwe zimapezeka m'nyumba kapena kudzera m'malo oyenerera ogwirizana.
Kutalika Kwambiri:Kutalika kwa 60m imodzi kwa mapulojekiti ozama a maziko, kuchepetsa zofunikira pakulumikiza minda ndi nthawi yokhazikitsa. Kutalika kwapadera kulipo popanda ndalama zowonjezera pamitundu yokhazikika.
Kayendetsedwe ka Zinthu Kopikisana:Mgwirizano wanzeru ndi makampani otumiza katundu padziko lonse lapansi komanso akatswiri onyamula katundu m'mapulojekiti umaonetsetsa kuti katundu wonyamula katundu (chidebe, chosweka, kapena chombo cha projekiti) ndi kutumiza katundu padziko lonse lapansi pamitengo yotsika mtengo komanso yotsika mtengo kwambiri.
Zolemba Zonse:Zikalata Zoyeserera Zonse za Mill (EN 10204 Type 2.2, 3.1, kapena 3.2), malipoti a NDT (UT, RT), malipoti a dimensional, ndi zikalata zotsatirira zomwe zimaperekedwa pa kutumiza kulikonse. Kuyang'ana kwa chipani chachitatu (SGS, BV, TÜV, LR, DNV) kumathandizidwa ngati pakufunika.
Sankhani Womic Steel Group ngati mnzanu wodalirika wa mapaipi apamwamba a ASTM A252 GR.3 SSAW achitsulo omwe amagwiritsidwa ntchito pa ntchito zapamadzi, za m'mphepete mwa nyanja, komanso za maziko ozama padziko lonse lapansi. Takulandirani kuti mudzafunse!
Webusaiti: www.womicsteel.com
Imelo: sales@womicsteel.com
Foni/WhatsApp/WeChat:
Victor: +86-15575100681
Jack: +86-18390957568
Mafunso Ofunsidwa Kawirikawiri (Mafunso Ofunsidwa Kawirikawiri) - ASTM A252 GR.3 SSAW Chitoliro cha Chitoliro cha Chitsulo
Q: Kodi kusiyana pakati pa SSAW ndi LSAW pa chitoliro cholumikizira ndi kotani?
A: SSAW (Spiral Submerged Arc Welded) imagwiritsa ntchito njira yolumikizira yozungulira, yoyenera ma diameter akuluakulu (508mm-3,000mm) komanso makoma opapatiza mpaka apakatikati. LSAW (Longitudinal Submerged Arc Welded) imagwiritsa ntchito solder yolunjika, yabwino ma diameter ang'onoang'ono (508mm-1,500mm) ndi makoma okhuthala (mpaka 50.8mm). SSAW nthawi zambiri imakhala yotsika mtengo kwambiri pakugwiritsa ntchito ma double dayameter akuluakulu, pomwe LSAW imapereka kusinthasintha kwa solder kwa solder kwa kugwiritsa ntchito makoma okhuthala.
Q: Kodi mphete yachitsulo yoperekedwa nsembe ndi chiyani ndipo iyenera kugwiritsidwa ntchito liti?
Yankho: Mphete yachitsulo yoperekedwa nsembe ndi gawo lalifupi lachitsulo (nthawi zambiri 50-100mm m'lifupi, 6-12mm makulidwe, chitoliro chofanana ndi OD) cholumikizidwa kumapeto kwa chitoliro cholowera. Chimatenga mphamvu yogunda kuchokera ku nyundo yoyendetsera mulu, kuteteza kumapeto kwa chitoliro kuti chisawonongeke, kugwedezeka, kapena kusweka. Mphete zoperekedwa nsembe zimalimbikitsidwa pazovuta zoyendetsera (mchenga wokhuthala, miyala, malo otsetsereka a miyala), nyundo zolemera zoyendetsera mulu, mapaipi owonda, ntchito zofunika kwambiri pomwe kuwonongeka kwa kumapeto kwa chitoliro kungayambitse kuchedwa kwa nthawi, komanso mapaipi omwe amafunika kulimba madzi akatha kuyendetsa.
Q: Ndi njira ziti zazitali zomwe zilipo pa chitoliro cholumikizira cha ASTM A252 GR.3 SSAW?
A: Kutalika kwanthawi zonse ndi 6m, 12m, ndi 18m. Pa mapulojekiti ozama a maziko ndi a m'nyanja, timapereka kutalika kwapadera mpaka 60m (mamita 200) kutengera kukula kwa khoma ndi m'mimba mwake. Kutalika kwanthawi yayitali kumapereka ubwino waukulu: kuchepa kwa kuchuluka kwa ma splices a m'munda (mtengo wotsika woyika, nthawi yofulumira), kusinthasintha kwa kapangidwe kake, komanso kuchepa kwa chiopsezo cha zolakwika za weld. Komabe, kutalika kwanthawi yayitali kumafuna mayendedwe apadera (zidebe za flat rack, zombo zazikulu, kapena katundu wa projekiti) ndipo zitha kukhala ndi ndalama zambiri zoyendetsera zinthu.
Q: Ndi njira ziti zophikira zomwe zilipo pa mapaipi osungiramo zinthu za m'nyanja kuti ateteze ku dzimbiri la madzi a m'nyanja?
A: Timapereka njira zingapo zotetezera dzimbiri m'malo okhala m'nyanja: FBE (Fusion Bonded Epoxy) single or dual layer, 3LPE/3LPP (Three Layer Polyethylene/Polypropylene), Coal Tar Epoxy, Hot Dip Galvanizing, Liquid Epoxy, ndi Concrete Weight Coating (CWC). Pa ntchito zambiri zoyika zinthu m'nyanja, 3LPE kapena FBE coating pamodzi ndi cathodic protection ndiye muyezo wamakampani.
Q: Kodi mungapereke chitoliro cholumikizira zinthu pamodzi ndi anthu ena (SGS, BV, TÜV, DNV, LR)?
A: Inde. Timalandira ndikuthandizira kuwunika kwa DNV, BV, SGS, TÜV, ABS, LR, kapena woimira aliyense wosankhidwa ndi kasitomala panthawi yopanga komanso isanatumizidwe. 3.2 Zikalata zowunikira zomwe zatsimikiziridwa ndi mabungwe ovomerezeka a chipani chachitatu zimaperekedwa nthawi zonse akafunsidwa.
Q: Ndi mayeso otani osawononga (NDT) omwe amaperekedwa pa chitoliro cholumikizira cha ASTM A252 GR.3 SSAW?
A: NDT yokhazikika imaphatikizapo 100% Ultrasonic Testing (UT) ya weld seam ndi payipi body, komanso Radiographic Testing (RT) spot inspection. MPI, Hydrostatic Testing, ndi zina za UT zimapezeka ngati mungafune. Pa ntchito zofunika kwambiri za m'madzi, tikupangira 100% RT kapena full-length UT.
Q: Kodi nthawi yogwiritsira ntchito chitoliro cha ASTM A252 GR.3 SSAW ndi yotani?
A: Nthawi yokhazikika yoperekera zinthu ndi pafupifupi masiku 30-45 pakupanga SSAW, kutengera kuchuluka kwa oda, kukula kwake, makulidwe a khoma, ndi zofunikira pakuyesa. Maoda ofulumira (masiku 20-30) atha kupezeka pa kuchuluka kochepa. Pa mapulojekiti omwe akufuna kuyang'aniridwa ndi chipani chachitatu, onjezani masiku 5-10. Pakuphimba (FBE, 3LPE, ndi zina zotero), onjezani masiku 10-20.
Q: Ndi zikalata ziti zomwe zimaperekedwa pa kutumiza kulikonse?
A: Kutumiza kulikonse kumaphatikizapo Satifiketi Yoyesera ya Mill (EN 10204 Type 3.1), Lipoti Loyang'anira Dimensional, Malipoti a UT, Malipoti a RT (ngati atchulidwa), Zolemba Zotsata, Mndandanda Wolongedza, Invoice Yamalonda, ndi Satifiketi Yoyambira. Pa miyezo ya EN, kulengeza chizindikiro cha CE ndi Kulengeza Kuchita Bwino (DoP) zitha kuperekedwa.
Zogulitsa Zofanana
-
JIS A5525 SKK490 SSAW Pipe Mulu: Kupanga ...
-
Chitoliro Chokulungira Chitsulo cha EN 10248 S355GP SSAW: Chopangidwa...
-
EN 10219 S355JRH SSAW Hollow Section: Yopangidwa...
-
![Chitoliro cha Kapangidwe ka EN 10025 S355JR SSAW: Mphamvu Zopangira & Zofotokozera Zamalonda]{.mark}](https://cdn.globalso.com/womicsteel/Steel-Pipe-Picture-6.jpg)
Chitoliro cha Kapangidwe ka EN 10025 S355JR SSAW: Chopangidwa...
-
Chitoliro chachitsulo cha ASTM A572 GR.50 SSAW: Kupanga ...
-
![Chitoliro cha Kapangidwe ka ASTM A500 GR.B SSAW: Mphamvu Zopangira & Zofotokozera Zamalonda]{.mark}](https://cdn.globalso.com/womicsteel/Steel-Pipe-Picture-58.jpg)
Chitoliro cha Kapangidwe ka ASTM A500 GR.B SSAW: Wopanga...
-
Chitoliro cha Chitsulo cha ASTM A252 GR.3 SSAW: Wopanga...
-
Chitoliro cha Chitsulo cha API 5L X65 SSAW: Kupanga Capab ...
-
Chitoliro cha Chitsulo cha API 5L X52 SSAW: Kupanga Capab ...