O le faagasologa o le gaosiga o le Paipa Longitudinal Submerged-arc Welded (LSAW) e faapenei:
Su'esu'ega o le ipu Ultrasonic → oloina o le pito → punou muamua → fausiaina → Fa'apipi'i muamua → Fa'apipi'i i totonu → Fa'apipi'i i fafo → Su'esu'ega Ultrasonic → Su'esu'ega X-ray → Fa'alauteleina → su'ega hydraulic → l. Chamfering → Su'esu'ega Ultrasonic → Su'esu'ega X-ray → Su'esu'ega o le vaega maneta i le pito o le paipa
Gaosiga: Paipa u'amea LSAW(JCOE)
Tele: OD: 406~1500mm Mamafa: 6~40mm
Vasega: CB60, CB65, CC60, CC65, ma isi.
Umi: 12M po'o le umi fa'apitoa e pei ona mana'omia.
Pito: Pito Masani, Pito Fa'api'o, Pito Fa'alava;
| Mana'oga Fa'akemikolomo ASTM A672 B60/B70/C60/C65/C70LSAWPaipa U'amea Kaponi | |||||||||||||
| Paipa | Vasega | Fa'atulagaga, % | |||||||||||
| C sili ona maualuga | Mn | P sili ona maualuga | S sili ona maualuga | Si | Isi | ||||||||
| <=1 inisi (25mm) | >1~2in (25~50mm) | >2~4in (50-100mm) | >4~8 inisi (100~200mm) | >8 inisi (200mm) | <=1/2 inisi (12.5mm) | >1/2 inisi (12.5mm) | |||||||
| CB | 60 | 0.24 | 0.21 | 0.29 | 0.31 | 0.31 | 0.98 maualuga | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98 maualuga | 0.035 | 0.035 | 0.13–0.45 | ... | |||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30max | 0.035 | 0.035 | 0.13–0.45 | ... | |||
| CC | 60 | 0.21 | 0.23 | 0.25 | 0.27 | 0.27 | 0.55–0.98 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | |
| 65 | 0.24 | 0.26 | 0.28 | 0.29 | 0.29 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 70 | 0.27 | 0.28 | 0.30 | 0.31 | 0.31 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| Meatotino Fa'amekanika | |||||
| Vasega | |||||
|
| CB65 | CB70 | CC60 | CC65 | CC70 |
| Malosiaga o le tensile, min: | |||||
| ksi | 65 | 70 | 60 | 65 | 70 |
| Mpa | 450 | 485 | 415 | 450 | 485 |
| Malosiaga o le gaugau, min: | |||||
| ksi | 35 | 38 | 32 | 35 | 38 |
| MPa | 240 | 260 | 220 | 240 | 260 |
1. Lapoa i Fafo - E faʻavae i luga o le fua o le liʻo o le ±0.5% o le lautele i fafo ua faʻamaoti mai.
2. Le-Lapotopoto-Eseesega i le va o lautele pito i fafo tetele ma lautele pito i fafo laiti.
3. Fa'atulagaina-Fa'aaoga se pito sa'o e 10 futu (3m) ua tu'u ina ia pa'i uma pito e lua i le paipa, 1/8 inisi (3mm).
4. Mafiafia-O le mafiafia maualalo o le puipui i so'o se vaega o le paipa e le tatau ona sili atu i le 0.01 inisi (0.3mm) i lalo ifo o le mafiafia masani ua fa'amaoti mai.
5. O umi e le'i fa'a'a'aina pito e tatau ona i totonu ole -0,+1/2 inisi (-0,+13mm) o le mea ua fa'amaoti mai. O umi e fa'a'a'aina pito e tatau ona tusa ai ma le maliliega i le va o le kamupani gaosi oloa ma le tagata fa'atau.
Su'ega o le Fe'avea'i—E tatau i meatotino fe'avea'i fa'alava o le so'oga ua ueloina ona ausia mana'oga maualalo mo le malosi fa'atapula'a o le mea ua fa'amaoti mai i le laupapa.
Su'ega fa'alava-fa'alava-pi'o — E taliaina le su'ega pi'o pe afai e leai ni māvaevae po'o ni isi fa'aletonu e sili atu i le 1/8 inisi (3mm) i so'o se itu o lo'o i ai i le u'amea fa'alava po'o le va o le u'amea fa'alava ma le u'amea fa'avae pe a uma ona pi'o.
Su'esu'ega Fa'a-leitio - O le umi atoa o uelo ta'itasi o le vasega X1 ma le X2 e tatau ona su'esu'eina fa'a-leitio e tusa ai ma ma ausia mana'oga o le ASME Boiler and Pressure Vessel Code, Vaega fitu, parakalafa UW-51.
Igoa po'o le fa'ailoga a le kamupani gaosi oloa
Numera o faʻamatalaga (tausaga-aso pe manaʻomia)
Tele (OD, WT, umi)
Vasega (A po'o le B)
Ituaiga paipa (F, E, po'o le S)
Mamafa o le suega (paipa u'amea e leai ni so'oga)
Numera o le Vevela
So'o se fa'amatalaga fa'aopoopo o lo'o fa'amaoti mai i le fa'atonuga fa'atau.
Aofaʻi (futu, mita, poʻo le aofaʻi o umi)
Igoa o meafaitino (paipa u'amea, paipa eletise ua fa'apipi'iina)
Numera o fa'amatalaga
Fa'ailoga o vasega ma vasega
Tele (lautele i fafo po'o totonu, mafiafia masani po'o le mafiafia maualalo o le puipui)
Umi (faapitoa pe fa'afuase'i)
Fa'ai'uga o le fa'ai'uga
Filifiliga fa'atau
Mana'oga fa'aopoopo, pe a iai.
Paipa U'amea Kaponi ASTM A252 GR.3 Fausaga LSAW(JCOE)
Paipa U'amea BS EN10210 S275J0H LSAW(JCOE)
Paipa U'amea ASTM A671/A671M LSAW
Paipa U'amea Kaponi ASTM A672 B60/B70/C60/C65/C70 LSAW
Paipa U'amea Kaponi API 5L X65 PSL1/PSL 2 LSAW / Paipa U'amea API 5L Vasega X70 LSAW
Paipa U'amea Fa'atulagaina LSAW(JCOE) EN10219 S355J0H
