FAAMATALAGA MO LSAW STEEL PIPE | |
1. Tele | 1)OD:406mm-1500mm |
2) Pa mafiafia: 8mm-50mm | |
3)SCH20,SCH40,STD,XS,SCH80 | |
2. Tulaga masani: | ASTM A53,API 5L,EN10219,EN10210,ASTM A252ASTM A500 ma isi |
3. Meafaitino | ASTM A53 Gr.B,API 5L Gr.B,X42,X52,X60,X70,X80,S235JR,S355J0H , ma isi |
4. Fa'aoga: | 1) suavai maualalo maualalo, vai, kesi, suauu, paipa laina |
2) fa'atulagaina paipa, fau fa'aputu paipa | |
3) pa, paipa faitotoa | |
5. Fa'alavalava | 1) Fa'ailoa 2) Vali Uuliuli (varnish coating) 3) Fa'amea 4) Suauu 5) PE, 3PE, FBE, faʻapipiʻi faʻafefete faʻafefe, faʻapipiʻi faʻamaʻi |
6. Tekinolosi | paipa u'amea longitudinal |
7. Asiasiga: | Faatasi ai ma le Hyd raulic Testing, Eddy Current, RT, UT poʻo le asiasiga a le vaega lona tolu |
8. Tilivaina | Container, Va'a Tele. |
9.About Our Tulaga: | 1) Leai se mea leaga, leai se punou 2) leai ni pupu po'o ni pito ma'ai ma leai ni fasi 3) E leai se totogi mo le suauu & makaina 4) O oloa uma e mafai ona siakiina e le isi vaega asiasiga aʻo leʻi lafoina |
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Inisinia mataupu a Hong Kong
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Inisinia mataupu a Qatar
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Inisinia mataupu a Turkey
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LSAW paipafa'aaogaina tekonolosi fa'aulu, fa'aogaina le fa'atumuina o le fa'aulu, fa'afefe o mea ninii ua tanumia arc.
O le LSAW o le fa'apu'upu'u fa'a-Peretania o le fa'asu'u arc uelo sa'o paipa u'amea su'isu'i.O le faagasologa o le gaosiga o le arc fa'afefeteina uelo sa'o paipa u'amea e aofia ai le JCOE faiga tekinolosi, coil fausia fa'aluulu arc tekinolosi uelo ma UOE faiga tekinolosi.
Ole fa'agasologa ole gaosiga ole Longitudinal Submerged-arc Welded(LSAW) Pipe e fa'apea:
Su'esu'ega o le ipu eletise → vili pito → mua'i punou → fa'atupu → mua'i uelo → uelo i totonu → uelo i fafo → su'esu'ega o le Ultrasonic → su'esu'ega X-ray → fa'alauteleina → su'ega fa'asuavai →l.Chamfering → Su'esu'ega o le Ultrasonic → Su'esu'ega X-ray → su'esu'ega vaega fa'amaneta ile pito fa'agaau.
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Manaoga Tensile | |||
Vasega 1 | Vasega 2 | Vasega 3 | |
Malosi fa'asa, min, psi (MPa) | 50 000 (345) | 60 000 (415) | 66 000 (455) |
Fa'ailoga o le fua po'o le malosi e maua ai, min, psi(MPa) | 30 000 (205) | 35 000 (240) | 45 000 (310) |
Fa'aliga la'ititi la'ititi mo le mafiafia o puipui %6 ini. (7.9 mm) pe sili atu: Fa'aumi ile 8 ini. (203.2 mm), min,% Fa'aumi ile 2 ini. (50.8 mm), min, % | 18 30 | 14 25 | ... 20 |
Mo le mafiafia o puipui itiiti ifo i le %6 i. (7.9 mm), o le toesega mai le faavae aupito maualalo elongation i le 2 i. (50.08 mm) mo Vzi - in. (0.8 mm) fa'aitiitia i lalo o le %6 i. (7.9 mm), i pasene pasene | 1.5A | 1.25A | 1.0A... |
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Su'ega Hydrostatic
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Su'ega NDT(RT).
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Su'ega NDT(UT).
Su'ega Pi'o—ia lava le umi o le paipa e tatau ona tutu a'o punou maalili i le 90° fa'ata'amilo i se mandrel cylindrical.
Su'ega fa'amafola-e ui lava e le manaʻomia le suʻega, e tatau ona mafai e paipa ona faʻamalieina manaʻoga o suʻega.
Su'ega o le vai-se'i vagana ai ua faatagaina, o le umi o paipa e tatau ona faia i le su'ega o le vai e aunoa ma le lia i le puipui o le paipa.
Su'ega eletise e le fa'aleagaina-e fai ma sui i le su'ega o le hydro-static, o le tino atoa o paipa ta'itasi e tatau ona su'eina i se su'ega eletise e le fa'aleagaina.pe a fai le su'ega eletise e le fa'aleagaina, e tatau ona makaina le umi i mataitusi "NDE"
Ole suʻega ultrasonic
Ole su'ega ole taimi nei
Paipa leai se mea, faʻapipiʻi uliuli (faʻapitoa);
O pito uma e lua ma puipui pito;
Fa'ai'uga manino, pito fa'ama'i;
Faailoga.
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Vaitafe i fafo | O le lautele i fafo o paipa paipa e le tatau ona sili atu nai lo le ± 1% mai le lautele o fafo. | ||
Mafiafia puipui | O le mafiafia o le puipui i so'o se itu e le tatau ona sili atu i le 12.5% i lalo o le mafiafia o le puipui fa'apitoa. | ||
Umi | O fa'aputuga paipa e tatau ona fa'apipi'iina i fa'aputuga ta'itasi, fa'alua fa'afuase'i umi, po'o toniga uumi e pei ona fa'amaoti mai i le fa'atauga, e tusa ai ma tapula'a nei: | Taimi fa'afuase'i ta'itasi | 16 i le 25ft (4.88 i le 7.62mm), inisi |
Fa'alua fa'afuase'i umi | E sili atu i le 25ft (7.62m) ma le averesi laʻititi o le 35ft (10.67m) | ||
Uumi tutusa | umi e pei ona faʻamaonia ma se suiga faʻatagaina o le ±1 i. | ||
mamafa | O umi ta'itasi o fa'aputuga paipa e tatau ona fua eseese ma o lona mamafa e le tatau ona sili atu i le 15% i luga atu po'o le 5% i lalo o lona mamafa fa'ata'ita'i, fa'atatau i lona umi ma lona mamafa i le iunite umi. |
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