| Nkọwa maka PIPE ígwè LSAW | |
| 1.Nha | 1) OD: 406mm-1500mm |
| 2) Mgbidi ọkpụrụkpụ: 8mm-50mm | |
| 3)SCH20,SCH40,STD,XS,SCH80 | |
| 2. Standard: | ASTM A53, API 5L,EN10219,EN10210,ASTM A252ASTM A500 wdg |
| 3.Material | ASTM A53 Gr.B,API 5L Gr.B,X42,X52,X60,X70,X80,S235JR,S355J0H, wdg |
| 4. Ojiji: | 1) obere mmiri mmiri, mmiri, gas, mmanụ, eriri eriri |
| 2) structure ọkpọkọ, ọkpọkọ piling ewu | |
| 3) nsu, ụzọ ọkpọkọ | |
| 5.Mkpuchi | 1) Agba 2) Agba ojii (ihe mkpuchi varnish) 3) Galvanized 4) Mmanu 5) PE, 3PE, FBE, mkpuchi na-eguzogide ọgwụ, mkpuchi mgbochi corrosion |
| 6.Usoro | longitudinal welded ígwè anwụrụ |
| 7. Nyocha: | Na Hyd raulic Testing, Eddy Current, RT, UT ma ọ bụ nyocha nke ndị ọzọ |
| 8.Nnyefe | Akpa, nnukwu ụgbọ mmiri. |
| 9. Banyere Ogo anyị: | 1) Enweghị mmebi, ọ dịghị ehulata 2) ọ dịghị burrs ma ọ bụ nkọ n'ọnụ na ọ dịghị scraps 3) N'efu maka mmanu & akara 4) Enwere ike ịlele ngwongwo niile site na nyocha nke atọ tupu ebupu ya |
Usoro injinia nke Hong Kong
Engineering ikpe nke Qatar
Injinia nke Turkey
Ọkụ LSAWna-anabata teknụzụ ịgbado ọkụ n'ime mmiri, na-eji mgbado ọkụ, ihe nchekwa ihe nchekwa lie arc.
LSAW bụ mbiri nke bekee nke arc welded ogologo nchara nchara.Usoro mmepụta nke submerged arc welded ogologo onuete ígwè ọkpọkọ gụnyere JCOE akpụ technology, eriri igwe na-akpụ submerged arc ịgbado ọkụ technology na UOE akpụ technology.
Usoro nke imepụta Pipe Longitudinal Submerged-arc Welded(LSAW) bụ nke a:
Ultrasonic plate probing → ihu igwe → tupu ekwe → akpụ → tupu ịgbado ọkụ → Ime ịgbado ọkụ → Mpụga ịgbado ọkụ → Ultrasonic nnyocha → X-ray nnyocha → Ịbawanye → hydraulic ule →l.Chamfering → Nyocha Ultrasonic → Nyocha X-ray → nyocha ihe ndọta na njedebe tube.
| Chọrọ tensile | |||
| Nkeji 1 | Ọkwa 2 | Nkeji 3 | |
| Ike tensile, min, psi (MPa) | 50000 (345) | 60000 (415) | 66000 (455) |
| Ike mpụta ma ọ bụ mpụta, min, psi(MPa) | 30000 (205) | 35 000 (240) | 45,000 (310) |
| Isi elongation kacha nta maka ọkpụrụkpụ mgbidi ọnụ %6 in. (7.9 mm) ma ọ bụ karịa: Elongation na 8 in. (203.2 mm), min,% Elongation na 2 in. (50.8 mm), min, % | 18 30 | 14 25 | ... 20 |
| N'ihi na ọnụ mgbidi ọkpụrụkpụ na-erughị %6 in. (7.9 mm), mwepu si isi kacha nta elongation na 2 in. (50.08 mm) maka onye ọ bụla Vzi - in. (0.8 mm) ibelata ọnụ mgbidi ọkpụrụkpụ n'okpuru %6 na. (7.9 mm), n'ihe pasentị | 1.5A | 1.25A | 1.0A... |
Nnwale Hydrostatic
Nnwale NDT(RT).
Nnwale NDT(UT).
Nnwale ịgbagọ—ogologo ọkpọkọ zuru oke ga-eguzo ka ọ na-ehulata oyi site na 90 Celsius gburugburu ebe obibi cylindrical.
Nnwale na-enwu enwu-ọ bụ ezie na a dịghị achọ nnwale, ọkpọkọ ga-enwe ike imezu ihe ndị a chọrọ nlebara anya.
Nnwale Hydro-static-ma e wezụga dị ka ekwe, onye ọ bụla ogologo ọkpọkọ ga-edobe na hydro-static ule na-enweghị ntapu site ọkpọkọ mgbidi.
Nnwale eletrik anaghị emebi emebi-dị ka ihe ọzọ na hydro-static test, a ga-anwale ahụ zuru oke nke ọ bụla ọkpọkọ na-adịghị emebi emebi eletriki .Ebe a na-eme ule eletrik na-adịghị emebi emebi, ogologo ya ga-eji mkpụrụedemede "NDE" akara.
Nyocha ultrasonic
Nyocha eddy ugbu a
ọkpọkọ iferi, mkpuchi ojii (ahaziri);
Ha abụọ na-ejedebe na njedebe njedebe;
Ngwunye dị larịị, njedebe bevel;
Ịka akara.
| Dayameta dị n'èzí | Dayameta dị n'èzí nke ikpo ọkpọkọ agaghị adịgasị iche karịa ± 1% site na nke akọwapụtara n'èzí. | ||
| Ọkpụrụkpụ mgbidi | Ọkpụrụkpụ mgbidi n'oge ọ bụla agaghị abụ ihe karịrị 12.5% n'okpuru ọkpụrụkpụ mgbidi aha akọwapụtara. | ||
| Ogologo | A ga-edobe ikpo ọkpọkọ n'otu ogologo enweghị usoro, ogologo abụọ enweghị usoro, ma ọ bụ n'ogologo otu dị ka akọwapụtara n'usoro ịzụrụ, dabere na oke ndị a: | Otu ogologo random | 16 ruo 25ft (4.88 ruo 7.62mm), inch |
| Ogologo okpukpu abụọ enweghị usoro | Ihe karịrị 25ft (7.62m) yana opekempe nke 35ft (10.67m) | ||
| Ogologo uwe | ogologo dị ka akọwapụtara ya na mgbanwe ikike nke ±1 in. | ||
| Ibu | A ga-atụba ogologo ọ bụla nke ọkpọkọ ọkpọkọ iche iche na ịdị arọ ya agaghị adị iche karịa 15% karịa ma ọ bụ 5% n'okpuru ịdị arọ ya, gbakọọ site na iji ogologo ya na ịdị arọ ya n'ogologo otu nkeji. | ||
