IMICIMBI YOMBHAYIBHELI WE-LSAW STEEL | |
1.Usayizi | 1)OD:406mm-1500mm |
2) Ukuqina Kodonga: 8mm-50mm | |
3) SCH20,SCH40,STD ,XS,SCH80 | |
2.Okujwayelekile: | ASTM A53,API 5L,EN10219,EN10210,I-ASTM A252,ASTM A500 njll |
3.Impahla | I-ASTM A53 Gr.B,I-API 5L Gr.B,X42,X52,X60,X70,X80,S235JR,S355J0H, njll. |
4. Ukusetshenziswa: | 1)uketshezi olunomfutho ophansi, amanzi, igesi, uwoyela, ipayipi lomugqa |
2)ipayipi lesakhiwo, ukwakhiwa kokunqwabelana kwamapayipi | |
3)ucingo, ipayipi lomnyango | |
5.Ukugqoka | 1) Igcwele 2) Upende Omnyama (i-varnish) 3) Kufakwe amagalani 4) Igcotshwe ngamafutha 5) I-PE, 3PE, FBE, i-comosion resistant como, i-Anti corrosion coating |
6.Isu | ipayipi longitudinal ashiselwe steel |
7. Ukuhlola: | Ngokuhlolwa kwe-Hyd raulic, i-Eddy Yamanje, i-RT, i-UT noma ukuhlolwa komuntu wesithathu |
8.Ukulethwa | Isitsha, Umkhumbi Wenqwaba. |
9.Mayelana Nekhwalithi Yethu: | I-1) Akukho monakalo, akukho okugobile 2) awekho ama-burrs noma imiphetho ebukhali futhi azikho izinsalela 3) Imahhala yokugcoba nokumaka I-4) Zonke izimpahla zingahlolwa ngokuhlolwa komuntu wesithathu ngaphambi kokuthunyelwa |
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Icala lobunjiniyela laseHong Kong
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Icala lobunjiniyela laseQatar
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Icala lobunjiniyela laseTurkey
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Ipayipi le-LSAWyamukela ubuchwepheshe bokushisela be-arc obungaphansi kwamanzi, isebenzisa i-filler welding, i-particle protection flux engcwatshwe i-arc.
I-LSAW isifinyezo sesiNgisi sepayipi lensimbi elingaphansi kwamanzi elishiselwe umthungo oqondile.Inqubo yokukhiqiza ipayipi lensimbi elingene ngaphansi kwe-arc elishiselwe umthungo oqondile lihlanganisa ubuchwepheshe bokwenza i-JCOE, ubuchwepheshe bokushisela be-arc obungaphansi kwamanzi kanye nobuchwepheshe bokwenza i-UOE.
Inqubo yokukhiqiza Ipayipi Longitudinal Submerged-arc Welded(LSAW) imi kanje:
Ukuhlola ipuleti le-Ultrasonic → ukugaya onqenqemeni → ukugoba ngaphambili → ukwakha → Ukushisela kwangaphambili → Ukushisela kwangaphakathi→ Ukushisela kwangaphandle → Ukuhlolwa kwe-Ultrasonic → Ukuhlolwa kwe-X-ray → Ukwandisa → ukuhlolwa kwe-hydraulic →l.I-Chamfering → Ukuhlolwa kwe-Ultrasonic → Ukuhlolwa kwe-X-ray → ukuhlolwa kwezinhlayiyana kazibuthe ekupheleni kweshubhu
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Izidingo ze-Tensile | |||
Ibanga loku-1 | Ibanga lesi-2 | Ibanga lesi-3 | |
Amandla aqinile, min, psi (MPa) | 50 000 (345) | 60 000 (415) | 66 000 (455) |
Iphoyinti lesivuno noma amandla esivuno, min, psi(MPa) | 30 000 (205) | 35 000 (240) | 45 000 (310) |
Ubude obuncane obuyisisekelo bobukhulu obuncane bodonga obungu-%6 amayintshi | 18 30 | 14 25 | ... 20 |
Ngobukhulu obuncane bodonga obungaphansi kuka-%6 in. (7.9 mm), imali ebanjwayo kusukela kubude obuncane obuyisisekelo ngamayintshi angu-2 (50.08 mm) ku-Vzi ngayinye - ngo. (7.9 mm), ngamaphesenti amaphuzu | 1.5A | 1.25A | 1.0A... |
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Ukuhlolwa kwe-Hydrostatic
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Ukuhlolwa kwe-NDT(RT).
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Ukuhlolwa kwe-NDT(UT).
Ukuhlola Ukugoba—ubude obanele bepayipi buzoma bugotshwa bubanda ngo-90° buzungeze i-cylindrical mandrel.
Ukuhlolwa kokucaba-nakuba ukuhlolwa kungadingeki, ipayipi lizokwazi ukuhlangabezana nezidingo zokuhlola eziphansi.
Ukuhlolwa kwe-Hydrostatic-ngaphandle uma kuvunyelwe, ubude bepayipi ngalinye buzohlolwa nge-hydro-static ngaphandle kokuvuza odongeni lwamapayipi.
Ukuhlolwa kukagesi okungonakali-njengenye indlela yokuhlola i-hydro-static, umzimba ogcwele wepayipi ngalinye uzohlolwa ngokuhlolwa kukagesi okungangonakali.lapho kuhlolwa khona ugesi ongonakali, ubude buzomakwa ngezinhlamvu”NDE”
Ukuhlolwa kwe-ultrasonic
Ukuhlolwa kwamanje kwe-eddy
Ipayipi elingenalutho, ukugqoka okumnyama (okwenziwe ngokwezifiso);
Zombili ziphela ngabavikeli bokugcina;
I-Plain end, i-bevel end;
Ukumaka.
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Ngaphandle Ububanzi | Ububanzi bangaphandle bezinqwaba zamapayipi akufanele buhluke ngaphezu kuka-±1% ukusuka kububanzi obushiwo bangaphandle. | ||
Ukujiya kodonga | Ukuqina kodonga kunoma iyiphi indawo akumele kube ngaphezu kuka-12.5% ngaphansi kogqinsi olucacisiwe lodonga. | ||
Ubude | Izinqwaba zamapayipi zizohlinzekwa ngobude obungahleliwe obubodwa, ubude obuphindwe kabili obungahleliwe, noma ubude obufanayo njengoba kucacisiwe ku-oda lokuthenga, ngokuvumelana nemikhawulo elandelayo: | Ubude obubodwa obungahleliwe | 16 kuya ku-25ft (4.88 kuya ku-7.62mm), intshi |
Ubude obuphindwe kabili obungahleliwe | Ngaphezulu kuka-25ft (7.62m) nobuncane besilinganiso esingu-35ft (10.67m) | ||
Ubude obufanayo | ubude njengoba kucacisiwe ngokuhluka okuvumelekile okungu-±1 in. | ||
Isisindo | Ubude benqwaba yamapayipi ngayinye buzokalwa ngokuhlukana futhi isisindo sawo akumele sihluke ngaphezu kuka-15% ngaphezulu noma u-5% ngaphansi kwesisindo saso esicatshangelwayo, kubalwe kusetshenziswa ubude baso nesisindo saso ngobude beyunithi ngayinye. |
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