Ole fa'agasologa ole gaosiga ole Longitudinal Submerged-arc Welded(LSAW) Pipe e fa'apea:
Fa'ata'ita'iga o 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'alautele → 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.
Gaosi: LSAW(JCOE) Paipa uamea
Tele : OD: 406~1500mm WT: 6~40mm
Vasega: CB60, CB65, CC60, CC65, ma isi.
Umi: 12M poʻo le umi faʻamaonia pe a manaʻomia.
Fa'ai'uga: Fa'ai'uga laugatasi, I'uga fa'ama'i, Fa'a'oloa ;
| Tulaga Fa'ainisiniamo ASTM A672 B60/B70/C60/C65/C70LSAWPaipa Uamea Carbon | |||||||||||||
| Paipa | Vasega | Tulaga, % | |||||||||||
| C maualuga | Mn | P maualuga | S maualuga | Si | O isi | ||||||||
| <=1i (25mm) | >1~2in (25~50mm) | >2~4in(50-100mm) | >4~8in (100~200mm) | >8i (200mm) | <=1/2in (12.5mm) | >1/2in (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 | 1.30 maualuga | 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'ainisinia | |||||
| Vasega | |||||
|
| CB65 | CB70 | CC60 | CC65 | CC70 |
| Malosi fa'asa, min: | |||||
| ksi | 65 | 70 | 60 | 65 | 70 |
| Mpa | 450 | 485 | 415 | 450 | 485 |
| Malosiaga maua, min: | |||||
| ksi | 35 | 38 | 32 | 35 | 38 |
| MPa | 240 | 260 | 220 | 240 | 260 |
1. Vaitafe i fafo-Fa'avae ile fua fa'ata'amilomilo ±0.5% o le lautele fa'amaoti fafo.
2. I fafo-o-Roundness-Eseesega i le va o lapoa tetele ma laiti i fafo.
3. Fa'asinotonu-Fa'aaogāina o le 10 ft (3m) fa'asa'o tu'u ina ia fa'afeso'ota'i pito uma e lua ma le paipa, 1/8 inisi (3mm).
4. Mafiafia-O le mafiafia aupito maualalo o puipui i so'o se itu i totonu o le paipa e le tatau ona sili atu i le 0.01 in. (0.3mm) i lalo o le mafiafia fa'apitoa.
5. O uumi ma pito e leʻi faʻaogaina e tatau ona i totonu -0 + 1/2 ini. (-0 + 13mm) o le mea ua faʻamaonia.O uumi ma pito e faʻaaogaina e tatau ona malilie i ai i le va o le gaosiga ma le faʻatau.
Su'ega Tension—O mea tau fa'ase'esega o le so'oga fa'apipi'i e tatau ona fa'amalieina mana'oga aupito maualalo mo le malosi fa'ato'a sili o mea fa'apipi'i.
Su'ega fa'asaga-fa'a-uelo-u'u—E tatau ona talia le su'ega o le pi'o pe afai e leai ni ta'e po'o 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 po'o le va o le u'amea ma le u'amea faavae pe a uma ona punou.
Su'esu'ega Fa'asalalau-O le umi atoa o uelo ta'itasi o le vasega X1 ma le X2 e tatau ona su'esu'eina fa'aleoleo e tusa ai ma mana'oga o le ASME Boiler and Pressure Vessel Code, Vaega fitu, parakalafa UW-51.
Igoa po'o le fa'ailoga o le gaosiga
Numera faʻamatalaga (tausaga-aso poʻo manaʻomia)
Tele (OD, WT, umi)
Vasega(A po'o le B)
Ituaiga paipa(F, E, po'o le S)
Su'ega mamafa (na'o paipa u'amea lamolemole)
Numera vevela
So'o se fa'amatalaga fa'aopoopo o lo'o fa'amaoti mai ile fa'atauga.
Aofa'i (futu, mita, po'o numera o umi)
Igoa o mea (paipa u'amea, fa'afefiloi eletise uelo)
Numera fa'amatalaga
Vasega ma vasega fa'ailoga
Tele (i fafo po'o totonu le lautele, masani pe la'ititi le mafiafia o puipui)
Umi (fa'apitoa pe fa'afuase'i)
Fa'ai'u fa'ai'uga
Fa'atauga filifiliga
Manaoga faaopoopo, pe afai ei ai.
ASTM A252 GR.3 Structural LSAW(JCOE) Paipa Uamea Carbon
BS EN10210 S275J0H LSAW(JCOE) Paipa Uamea
ASTM A671/A671M LSAW Uamea Paipa
ASTM A672 B60/B70/C60/C65/C70 LSAW Paipa Uamea Uamea
API 5L X65 PSL1/PSL 2 LSAW Uamea Uamea Paipa / API 5L Vasega X70 LSAW Paipa Uamea
EN10219 S355J0H Fausia LSAW(JCOE) Paipa Uamea
