Tau Siisii Saina Paipa Uamea Seamless mo Oli ma Gas Line paipa
Faatasi ai ma a matou pulega mataʻina, malosi faʻapitoa faʻapitoa ma faʻatonuina tulaga maualuga faʻatonutonu faiga, matou faʻaauau le tuʻuina atu ia matou tagata faʻatau oloa faʻatauleleia maualuga, totogi talafeagai ma kamupani sili ona lelei. Matou te faʻamoemoe e avea ma au paaga sili ona faʻatuatuaina ma maua lou faʻamalieina mopaipa laina, Paipa Seamless, paipa laina kesi, Paipa Uamea, O lo matou poto masani e taua ai i matou i mata o matou tagata faʻatau. O lo tatou tulaga lelei e taʻu mai ai ia mea totino e pei e le faʻafefe, faʻamalo pe malepelepe, o le mea lea o le a mautinoa lava e a tatou tagata faʻatau aʻo tuʻuina se poloaiga.
O le masina lenei ua mae'a ai le matou oka e tasi mo galuega fa'alotoifale mo paipa laina kesi.
E aofia ai le X60, X52 ma le GrB
e mafai ona e vaʻai i faʻamatalaga ma le tele:
| Paipa L245N | 168.3 | 5 |
| Paipa L245N | 114.3 | 5 |
| Paipa L245N | 88.9 | 5 |
| Paipa L245N | 60.3 | 5 |
| Paipa L245N | 168.3 | 12.5 |
| Paipa L245N | 168.3 | 6.4 |
| Paipa L415N | 406.4 | 12.5 |
| Paipa L360N | 323.9 | 12.5 |
| Paipa L360N | 273.1 | 10 |
| Paipa L245N | 114.3 | 6.3 |
| Paipa L245N | 88.9 | 5 |
| Paipa L245N | 60.3 | 5 |
| Paipa L245N | 33.7 | 5 |
Mo lenei fa'atonuga, e mana'omia le su'ega a'afiaga -29°. Ma ua matou tipiina faʻataʻitaʻiga mo suʻega. E manaia tele le taunuuga.
Ae mo tulaga masani, na o le talosaga 0°. aua le popole i le lelei.
Fa'aaogāga
O le paipa e faʻaaogaina e felauaiga ai le suauʻu, ausa ma vai e tosoina mai le eleele i le suauʻu ma kesi pisinisi pisinisi e ala i le paipa.
Vasega Autu
Vasega mo API 5L laina paipa uamea: Gr.B X42 X52 X60 X65 X70
Vaega Vailaau
| Vasega Uamea (Igoa Uamea) | Fuafuaga Mass, Fa'avae ile Vevela ma Su'esu'ega o Meaa,g% | |||||||
| C | Mn | P | S | V | Nb | Ti | ||
| maualuga b | maualuga b | min | maualuga | maualuga | maualuga | maualuga | maualuga | |
| Paipa Su'ega | ||||||||
| L175 poʻo le A25 | 0.21 | 0.60 | — | 0.030 | 0.030 | — | — | — |
| L175P poʻo le A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | — | — | — |
| L210 poʻo le A | 0.22 | 0.90 | — | 0.030 | 0.030 | — | — | — |
| L245 poʻo le B | 0.28 | 1.20 | — | 0.030 | 0.030 | c,o | c,o | d |
| L290 poʻo le X42 | 0.28 | 1.30 | — | 0.030 | 0.030 | d | d | d |
| L320 poʻo le X46 | 0.28 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L360 poʻo le X52 | 0.28 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L390 poʻo le X56 | 0.28 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L415 poʻo le X60 | 0.28 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| L450 poʻo le X65 | 0.28 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| L485 poʻo le X70 | 0.28 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| Paipa Uila | ||||||||
| L175 poʻo le A25 | 0.21 | 0.60 | — | 0.030 | 0.030 | — | — | — |
| L175P poʻo le A25P | 0.21 | 0.60 | 0.045 | 0.080 | 0.030 | — | — | — |
| L210 poʻo le A | 0.22 | 0.90 | — | 0.030 | 0.030 | — | — | — |
| L245 poʻo le B | 0.26 | 1.20 | — | 0.030 | 0.030 | c,o | c,o | d |
| L290 poʻo le X42 | 0.26 | 1.30 | — | 0.030 | 0.030 | d | d | d |
| L320 poʻo le X46 | 0.26 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L360 poʻo le X52 | 0.26 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L390 poʻo le X56 | 0.26 | 1.40 | — | 0.030 | 0.030 | d | d | d |
| L415 poʻo le X60 | 0.26 e | 1.40 e | — | 0.030 | 0.030 | f | f | f |
| L450 poʻo le X65 | 0.26 e | 1.45 e | — | 0.030 | 0.030 | f | f | f |
| L485 poʻo le X70 | 0.26 e | 1.65 e | — | 0.030 | 0.030 | f | f | f |
| a Cu ≤ 0.50 %; Ni ≤ 0.50 %; Cr ≤ 0.50 % ma le Mo ≤ 0.15 %. b Mo fa'aitiitiga ta'itasi o le 0.01 % i lalo ole fa'atonuga maualuga mo le kaponi, o le si'itaga o le 0.05 % i luga a'e o le fa'atonuga maualuga mo Mn e fa'atagaina, e o'o atu ile maualuga ole 1.65 % mo togi ≥ L245 po'o B, ae ≤ L360 po'o X52; e oʻo atu i le maualuga o le 1.75% mo togi > L360 poʻo X52, ae <L485 poʻo X70; ma oʻo atu i le maualuga o le 2.00% mo le Vasega L485 poʻo le X70. c Vagana ua malilie i ai, Nb + V ≤ 0.06 %. d Nb + V + Ti ≤ 0.15 %. u Vagana ua malilie i ai. f Vagana ua malilie i ai, Nb + V + Ti ≤ 0.15 %. g E leai se fa'aopoopoina fa'apitoa ole B e fa'atagaina ma le vaega totoe ole B ≤ 0.001 %. | ||||||||
Meatotino Fa'ainisinia
|
Vasega Paipa | Paipa Tino ole Su'esu'e ma Uila Paipa | Su'isu'i o EW, LW, SAW, ma COWPaipa | ||
| Malosi e mauaa Rt0.5 | Malosi Tetelea Rm | Fa'aumiumi(i luga ole 50 mm po o le 2 ini.)Af | Malosi Teteleb Rm | |
| MPa (psi) | MPa (psi) | % | MPa (psi) | |
| min | min | min | min | |
| L175 poʻo le A25 | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L175P poʻo le A25P | 175 (25,400) | 310 (45,000) | c | 310 (45,000) |
| L210 poʻo le A | 210 (30,500) | 335 (48,600) | c | 335 (48,600) |
| L245 poʻo le B | 245 (35,500) | 415 (60,200) | c | 415 (60,200) |
| L290 poʻo le X42 | 290 (42,100) | 415 (60,200) | c | 415 (60,200) |
| L320 poʻo le X46 | 320 (46,400) | 435 (63,100) | c | 435 (63,100) |
| L360 poʻo le X52 | 360 (52,200) | 460 (66,700) | c | 460 (66,700) |
| L390 poʻo le X56 | 390 (56,600) | 490 (71,100) | c | 490 (71,100) |
| L415 poʻo le X60 | 415 (60,200) | 520 (75,400) | c | 520 (75,400) |
| L450 poʻo le X65 | 450 (65,300) | 535 (77,600) | c | 535 (77,600) |
| L485 poʻo le X70 | 485 (70,300) | 570 (82,700) | c | 570 (82,700) |
| a Mo fa'ailoga vaeluaga, o le eseesega i le va o le malosi fa'ama'i la'ititi fa'apitoa ma le malosi fa'ama'i maualalo fa'amaoti mo le tino paipa e tatau ona tu'uina atu i le laulau mo le isi vasega maualuga. e tatau ona tutusa le tau e pei ona fuafuaina mo le tino paipa e faaaoga ai vaefaamatalaga a).Af, o lo'o fa'aalia i le pasene ma fa'ata'amilo i le pasene lata ane, e tatau ona fa'atatau i le fa'aogaina o le fa'atusa lea:
o fea C o le 1940 mo fa'atusatusaga e fa'aaoga ai iunite SI ma 625,000 mo fa'atusatusaga e fa'aaoga ai iunite USC; Axc o le vaega ole su'ega fa'aoga talafeagai, fa'aalia i sikuea millimita (situafa inisi), e fa'apea: 1) mo vaega fa'ata'ita'i fa'a'a'ai li'o, 130 mm2 (0.20 in.2) mo fasi su'ega 12.7 mm (0.500 in.) ma le 8.9 mm (0.350 in.); 65 mm2 (0.10 in.2) mo fasi su'ega 6.4 mm (0.250 in.); 2) mo vaega uma o suʻega suʻega, o le laʻititi o le a) 485 mm2 (0.75 in.2) ma le b) le vaega faʻasolosolo o le fasi suʻega, e maua mai i le faʻaogaina o le lautele o fafo ma le mafiafia puipui o le paipa, lapotopoto i le 10 mm2 lata ane (0.01 in.2); 3) mo fasi fasi su'ega, o le la'ititi ole a) 485 mm2 (0.75 in.2) ma le b) o le vaega fa'alava o le fasi su'ega, e maua mai i le fa'aogaina o le lautele fa'amaonia o le fasi su'ega ma le mafiafia puipui o le paipa. , lapotopoto i le 10 mm2 lata ane (0.01 in.2); U o le malosi fa'ama'i la'ititi fa'apitoa, fa'aalia i megapascals (pauna i sikuea inisi). | ||||
O le lautele i fafo, mai fafo o le lapotopoto ma le mafiafia puipui
| Fa'ailoa mai fafo ole ta'ele D (i) | Fa'apalepale lapoa, inisi o | Out-of-Roundness Onosa'i i | ||||
| Paipa vagana ai le pito a | I'uga paipa a,b,c | Paipa vagana ai le I'uga a | I'uga o paipa a,b,c | |||
| SMLS paipa | Paipa Uila | SMLS paipa | Paipa Uila | |||
| < 2.375 | -0.031 i le + 0.016 | – 0.031 i le + 0.016 | 0.048 | 0.036 | ||
| ≥2.375 i le 6.625 | 0.020D mo | 0.015D mo | ||||
| +/- 0.0075D | – 0.016 i le + 0.063 | D/t≤75 | D/t≤75 | |||
| I le maliliega mo | I le maliliega mo | |||||
| >6.625 i le 24.000 | +/- 0.0075D | +/- 0.0075D, ae maualuga ole 0.125 | +/- 0.005D, ae maualuga ole 0.063 | 0.020D | 0.015D | |
| >24 i le 56 | +/- 0.01D | +/- 0.005D ae maualuga ole 0.160 | +/- 0.079 | +/- 0.063 | 0.015D mo le maualuga ole 0.060 | 0.01D mo le maualuga ole 0.500 |
| Mo | Mo | |||||
| D/t≤75 | D/t≤75 | |||||
| I le maliliega | I le maliliega | |||||
| mo | mo | |||||
| D/t≤75 | D/t≤75 | |||||
| >56 | E pei ona malilie i ai | |||||
| a. O le pito paipa e aofia ai le umi o le 4 i le 'ai o pito paipa taitasi | ||||||
| e. Mo le paipa SMLS o le faapalepale e faʻaaoga mo le t≤0.984in ma le faʻapalepale mo le paipa mafiafia e tatau ona malilie i ai. | ||||||
| i. Mo paipa fa'alautele ma le D≥8.625in ma mo paipa e le fa'alautele, o le fa'apalepale o le lautele ma le fa'apalepale i fafo e mafai ona fuafua e fa'aaoga ai le fuaina o totonu po'o le fuaina o totonu nai lo le OD fa'amaonia. | ||||||
| o. Mo le fuafuaina o le tausisia o le faapalepale lautele, o le paipa o loʻo faʻamatalaina o le taamilosaga o le paipa i soʻo se vaʻa vaʻavaʻa vaelua e Pi. | ||||||
| Mafiafia puipui | Fa'apalepale a |
| t inisi | inisi |
| SMLS paipa e | |
| ≤ 0.157 | -1.2 |
| > 0.157 i le <0.948 | + 0.150t / – 0.125t |
| ≥ 0.984 | + 0.146 po o + 0.1t, po o fea e sili |
| - 0.120 poʻo - 0.1t, poʻo fea e sili atu | |
| Uila paipa c,d | |
| ≤ 0.197 | +/- 0.020 |
| > 0.197 i le <0.591 | +/- 0.1t |
| ≥ 0.591 | +/- 0.060 |
| a. Afai o lo'o fa'amaoti mai e le fa'atauga se fa'apalepale itiiti mo le mafiafia o le puipui e la'ititi nai lo le tau talafeagai o lo'o tu'uina atu i lenei laulau, o le fa'aopoopoina o le fa'apalepale mo le mafiafia o puipui e tatau ona fa'aopoopoina i se aofaiga e lava e fa'atumauina ai le tulaga fa'apalepale talafeagai. | |
| e. Mo paipa e iai le D≥ 14.000 i totonu ma le t≥0.984in, o le mafiafia o le puipui i le lotoifale e mafai ona sili atu i le fa'aopoopoina o le fa'apalepale mo le mafiafia o le puipui i se 0.05t faaopoopo pe a le sili atu le fa'apalepale fa'aopoopo mo le mamafa. | |
| i. O le faapalepale faʻaopoopo mo puipui mafiafia e le faʻaaogaina i le vaega uelo | |
| o. Va'ai le fa'amatalaga atoa API5L mo fa'amatalaga atoa | |
Onosa'i
Su'ega Manaoga
Su'ega hydrostatic
Paipa e tatalia se su'ega hydrostatic e aunoa ma le lia i le su'iga uelo po'o le tino paipa. E le mana'omia ona su'esu'eina le fa'auiluma o mea fa'apipi'i pe a fa'amaonia lelei vaega o paipa na fa'aaogaina.
Su'ega punou
E leai se ta'e e tupu i so'o se vaega o le vaega o le su'ega ma e leai se avanoa o le uelo e tupu.
Su'ega fa'amafola
Ta'iala talia mo le su'ega fa'amafola e tatau ona:
- EW paipa D<12.750 in:
- X60 ma le T 500in. E le tatau ona tatalaina le uelo a'o le'i itiiti ifo i le 66% le mamao i le va o papatusi o le lautele muamua i fafo. Mo togi uma ma puipui, 50%.
- Mo paipa ma le D / t> 10, e le tatau ona tatalaina le uelo a'o le'i itiiti ifo i le 30% le mamao i le va o papatusi i le 30% o le fua muamua i fafo.
- Mo isi lapopo'a fa'asino ile fa'amatalaga atoa API 5L.
Su'ega a'afiaga CVN mo PSL2
Ole tele ole paipa PSL2 ma togi e mana'omia le CVN. E tatau ona su'esu'e le paipa lamolemole i totonu o le tino. O paipa uelo e tatau ona tofotofoina i totonu o le tino, uelo paipa ma sone afaina vevela. Va'ai ile fa'amatalaga atoa ole API 5L mo le siata o lapopo'a ma togi ma mana'omia le fa'aaogaina ole malosi.
