ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Paipa Uamea Kabonfaʻaaogaina i tulaga maualuga-omiga ma faʻaaogaina i le eletise, fale suauʻu i fafo, alamanuia vailaʻau, Fertilizer, petrochemicals, refineries etc.
ASTM A672 B60/B70/C60/C65/C70LSAW(JCOE) Paipa Uamea Carbone tatau ona fa'alua fa'alua, fa'ato'a tu'ia uelo faia e tusa ai ma taualumaga ma e uelo po'o fa'auila fa'agaioiga agava'a e tusa ai ma le ASME Boiler and Press Vessel Code, Vaega IX.
O vasega uma e ese mai i le 10, 11, 12 ma le 13 e tatau ona fa'afefeteina ile ogaumu e pulea ile ± 15 ℃ ma fa'apipi'iina i le fa'amauina o le hydrometer ina ia maua fa'amaumauga fa'avevela.
Gaosi:Uiliga Fa'a'ele'ele Fa'a'umi'umi (LSAW).
Tele:OD: 406～1422mm WT: 8～60mm.
Vasega:B60, C60, C65, ma isi.
Umi:3-12M poʻo le umi faʻamaonia pe a manaʻomia.
Fa'ai'uga:I'uga Fa'alano, I'uga Pi'opi'o, Fa'a'oloa.
| Mana'oga vaila'au mo ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Paipa | ||||||||||||
| 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) | ||||||
| 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 | ... | ||
| C | 55 | 0.18 | 0.20 | 0.22 | 0.24 | 0.26 | 0.55–0.98 | 0.55–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... |
| 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 | |||||||
|
| B60 | B65 | B70 | C55 | C60 | C65 | C70 |
| Malosi fa'asa, min: | |||||||
| ksi | 60 | 65 | 70 | 55 | 60 | 65 | 70 |
| Mpa | 415 | 450 | 485 | 380 | 415 | 450 | 485 |
| Malosiaga maua, min: | |||||||
| ksi | 32 | 35 | 38 | 30 | 32 | 35 | 38 |
| MPa | 220 | 240 | 260 | 205 | 220 | 240 | 260 |
| Elongation Manaoga: E tusa ai ma tulaga masani | |||||||
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.
O le paipa ua mae'a e tatau ona leai ni fa'aletonu fa'aletonu ma e tatau ona fa'amae'a fa'amaeaina.
A. Igoa po'o le fa'ailoga a le tagata gaosi oloa.
B. Numera fa'amatalaga (tausaga-aso po'o mana'omia).
C. Tele (OD, WT, umi).
D. Vasega(A po'o le B).
E. Ituaiga paipa (F, E, poʻo S).
F. Su'ega mamafa (paipa u'amea seamless na'o).
G. Numera vevela.
H. So'o se fa'amatalaga fa'aopoopo o lo'o fa'amaoti mai ile fa'atauga.
● Fa'alava paipa po'o le Black / Varnish coating/Epoxy coating/3PE coating (e tusa ai ma manaoga o tagata faatau);
● 6" ma lalo i fusi ma lua maata vavae;
● O pito uma e lua ma ni puipuiga pito;
● Fa'ai'uga fa'ato'a, fa'ai'uga fa'ama'i (2" ma luga a'e fa'atasi ma pito fa'ailo, tikeri: 30~35°), filo ma fa'atasi;
● Faailoga.
