| NI pato FUN LSAW PIPE IRIN | |
| 1.Iwọn | 1) OD: 406mm-1500mm |
| 2) Iwọn odi: 8mm-50mm | |
| 3)SCH20,SCH40,STD,XS,SCH80 | |
| 2. Standard: | ASTM A53, API 5L,EN10219,EN10210,ASTM A252ASTM A500 ati be be lo |
| 3.Material | ASTM A53 Gr.B,API 5L Gr.B,X42,X52,X60,X70,X80,S235JR,S355J0H,ati be be lo |
| 4. Lilo: | 1) omi titẹ kekere, omi, gaasi, epo, paipu laini |
| 2) pipe paipu, pipe piling ikole | |
| 3) odi, paipu ilẹkun | |
| 5.Aso | 1) Agbo 2) Ya dudu (ti a bo varnish) 3) Galvanized 4) Epo 5) PE, 3PE, FBE, comosion sooro ti a bo, Anti ipata bo |
| 6.Technique | gigun welded irin pipe |
| 7. Ayewo: | Pẹlu Idanwo Hyd raulic, Eddy Current, RT, UT tabi ayewo nipasẹ ẹni kẹta |
| 8.Ifijiṣẹ | Apoti, Ọkọ nla. |
| 9.Nipa Didara wa: | 1) Ko si bibajẹ, ko si tẹ 2) ko si burrs tabi didasilẹ egbegbe ko si si ajeku 3) Ọfẹ fun oiled&siṣamisi 4) Gbogbo awọn ẹru le ṣe ayẹwo nipasẹ ayewo ẹnikẹta ṣaaju gbigbe |
Imọ-ẹrọ ti Ilu Họngi Kọngi
Engineering irú ti Qatar
Imọ-ẹrọ ọran ti Tọki
LSAW Pipegba imọ-ẹrọ alurinmorin arc submerged, ni lilo alurinmorin kikun, ṣiṣan aabo patiku sin arc.
LSAW jẹ abbreviation English ti aaki submerged welded taara pelu irin paipu.Ilana iṣelọpọ ti arc submerged welded taara okun irin paipu pẹlu imọ-ẹrọ didasilẹ JCOE, okun ti n ṣe imọ-ẹrọ alurinmorin arc ati imọ-ẹrọ ṣiṣe UOE.
Ilana ti iṣelọpọ gigun-igi-aaki Welded (LSAW) Pipe jẹ bi atẹle:
Ultrasonic awo probing → eti milling → ami-titẹ → lara → Pre-alurinmorin → Ti abẹnu alurinmorin → Ita alurinmorin → Ultrasonic ayewo → X-ray ayewo → Imugboroosi → hydraulic igbeyewo →l.Chamfering → Ayewo Ultrasonic → Ayewo X-ray → Ayewo patiku oofa ni ipari tube
| Awọn ibeere fifẹ | |||
| Ipele 1 | Ipele 2 | Ipele 3 | |
| Agbara fifẹ, min, psi (MPa) | 50 000 (345) | 60 000 (415) | 66000 (455) |
| Aaye ikore tabi agbara ikore, min, psi(MPa) | 30 000 (205) | 35000 (240) | 45000 (310) |
| Ipilẹ elongation ti o kere ju fun awọn sisanra odi ipin% 6 in. (7.9 mm) tabi diẹ sii: Ilọsiwaju ni 8 in. (203.2 mm), min,% Elongation ni 2 in. (50.8 mm), min,% | 18 30 | 14 25 | ... 20 |
| Fun awọn sisanra odi ti o kere ju% 6 in. (7.9 mm), iyokuro lati ipilẹ elongation ti o kere julọ ni 2 in. (50.08 mm) fun Vzi kọọkan - in. (0.8 mm) dinku ni sisanra odi ipin ni isalẹ% 6 in. (7,9 mm), ni ogorun ojuami | 1.5A | 1.25A | 1.0A... |
Idanwo Hydrostatic
NDT (RT) Idanwo
Idanwo NDT (UT).
Idanwo atunse-ipari pipe ti paipu yoo duro ni titọ tutu nipasẹ 90 ° ni ayika mandrel iyipo kan.
Idanwo fifẹ-botilẹjẹpe idanwo ko nilo, pipe yoo ni anfani lati pade awọn ibeere idanwo fifẹ.
Idanwo Hydro-aimi-ayafi bi a ti gba laaye, gigun kọọkan ti paipu yoo wa labẹ idanwo hydro-aimi laisi jijo nipasẹ odi paipu.
Idanwo ina mọnamọna ti kii ṣe iparun-bi yiyan si idanwo hydro-aimi, ara kikun ti paipu kọọkan ni yoo ni idanwo pẹlu idanwo ina mọnamọna aibikita.nibiti a ti ṣe idanwo ina mọnamọna ti ko ni iparun, awọn ipari ni yoo samisi pẹlu awọn lẹta”NDE”
Idanwo ultrasonic
Ayẹwo eddy lọwọlọwọ
Igboro paipu, dudu ti a bo (adani);
Mejeeji pari pẹlu awọn oluṣọ opin;
Ipari pẹtẹlẹ, opin bevel;
Siṣamisi.
| Ita Opin | Iwọn ita ti awọn paipu paipu ko ni yatọ ju ± 1% lati iwọn ila opin ita ti a ti sọ tẹlẹ. | ||
| Odi sisanra | Sisanra ogiri ni aaye eyikeyi kii yoo jẹ diẹ sii ju 12.5% labẹ sisanra ogiri ipin ti a sọtọ. | ||
| Awọn ipari | Awọn piles paipu ni a gbọdọ pese ni awọn ipari laileto kan, gigun laileto ilọpo meji, tabi ni awọn ipari aṣọ bi pato ninu ilana rira, ni ibamu pẹlu awọn opin atẹle: | Nikan ID gigun | 16 si 25ft (4.88 si 7.62mm), inch |
| Double ID gigun | Ju 25ft (7.62m) pẹlu aropin to kere ju ti 35ft (10.67m) | ||
| Awọn ipari aṣọ | ipari bi pato pẹlu iyatọ iyọọda ti ± 1 in. | ||
| Iwọn | Gigun kọọkan ti opoplopo paipu ni a gbọdọ ṣe iwọn lọtọ ati iwuwo rẹ ko le yatọ ju 15% ju tabi 5% labẹ iwuwo imọ-jinlẹ rẹ, iṣiro ni lilo ipari rẹ ati iwuwo rẹ fun ipari ẹyọkan. | ||
