Layin Gas na Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin X65 SSAW
Zurfafa zurfafan bututun da aka yi wa baka wani muhimmin sashi ne na injiniyan samar da ruwa, masana'antar petrochemical, masana'antar sinadarai, masana'antar wutar lantarki, ban ruwa, da gine-ginen birane. Ƙwaƙwalwarsa da amincinsa sun sanya ta zama ɗaya daga cikin manyan kayayyaki ashirin da aka samar a wannan ƙasa tamu, wanda ke nuna mahimmancinsa da tasirinsa ga masana'antu daban-daban.
SSAW karfe bututuan yi shi ne na al'ada don jigilar ruwa kuma ya dace da tsarin samar da ruwa da magudanar ruwa. Ƙarfin gininsa ya sa ya dace don tabbatar da ingantaccen kuma abin dogaro da canja wurin ruwa. Bugu da kari, ya dace da jigilar iskar gas kamar iskar gas, tururi, da iskar gas mai ruwa. Ƙarfin ƙarfinsa mai ƙarfi da juriya na lalata yana tabbatar da aminci da ingantaccen isar da iskar gas kuma ya cika ka'idodin tsarin isar gas.
Babban Abubuwan Jiki da Sinadarai na Bututun Karfe (GB/T3091-2008, GB/T9711-2011 da API Spec 5L) | ||||||||||||||
Daidaitawa | Karfe daraja | Abubuwan Sinadari (%) | Dukiyar Tensile | Charpy(V notch) Gwajin Tasiri | ||||||||||
c | Mn | p | s | Si | Sauran | Ƙarfin Haɓaka (Mpa) | Ƙarfin Tensile (Mpa) | (L0=5.65 √ S0)min Rawan Tsayi (%)) | ||||||
max | max | max | max | max | min | max | min | max | D ≤ 168.33mm | D = 168.3 mm | ||||
GB/T3091-2008 | Q215A | ≤ 0.15 | 0.25 | 1.20 | 0.045 | 0.050 | 0.35 | Ƙara Nb\VTi daidai da GB/T1591-94 | 215 | 335 | 15 | > 31 | |||
Q215B | ≤ 0.15 | 0.25-0.55 | 0.045 | 0.045 | 0.035 | 215 | 335 | 15 | > 31 | |||||
Q235A | 0.22 | 0.30 | 0.65 | 0.045 | 0.050 | 0.035 | 235 | 375 | 15 | >26 | |||||
Q235B | ≤ 0.20 | 0.30 ≤ 1.80 | 0.045 | 0.045 | 0.035 | 235 | 375 | 15 | >26 | |||||
Q295A | 0.16 | 0.80-1.50 | 0.045 | 0.045 | 0.55 | 295 | 390 | 13 | >23 | |||||
Q295B | 0.16 | 0.80-1.50 | 0.045 | 0.040 | 0.55 | 295 | 390 | 13 | >23 | |||||
Q345A | 0.20 | 1.00-1.60 | 0.045 | 0.045 | 0.55 | 345 | 510 | 13 | >21 | |||||
Q345B | 0.20 | 1.00-1.60 | 0.045 | 0.040 | 0.55 | 345 | 510 | 13 | >21 | |||||
GB/T9711-2011 (PSL1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 | Ƙara ɗaya daga cikin abubuwan Nb\VTi ko kowane haɗin su | 175 | 310 | 27 | Za'a iya zaɓi ɗaya ko biyu daga cikin ma'aunin tauri na tasiri makamashi da yanki mai shear. Don L555, duba ma'auni. | ||||
L210 | 0.22 | 0.90 | 0.030 | 0.030 | 210 | 335 | 25 | |||||||
L245 | 0.26 | 1.20 | 0.030 | 0.030 | 245 | 415 | 21 | |||||||
L290 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 415 | 21 | |||||||
L320 | 0.26 | 1.40 | 0.030 | 0.030 | 320 | 435 | 20 | |||||||
L360 | 0.26 | 1.40 | 0.030 | 0.030 | 360 | 460 | 19 | |||||||
L390 | 0.26 | 1.40 | 0.030 | 0.030 | 390 | 390 | 18 | |||||||
L415 | 0.26 | 1.40 | 0.030 | 0.030 | 415 | 520 | 17 | |||||||
L450 | 0.26 | 1.45 | 0.030 | 0.030 | 450 | 535 | 17 | |||||||
L485 | 0.26 | 1.65 | 0.030 | 0.030 | 485 | 570 | 16 | |||||||
API 5L (PSL 1) | A25 | 0.21 | 0.60 | 0.030 | 0.030 | Don sa B karfe, Nb + V ≤ 0.03%; don karfe ≥ sa B, zaɓin ƙara Nb ko V ko haɗin su, da Nb + V + Ti ≤ 0.15% | 172 | 310 | (L0 = 50.8mm) da za a lissafta bisa ga dabara mai zuwa: e = 1944 · A0 .2 / U0 .0 A: Yankin samfurin a mm2 U: Ƙarfin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙarfi a cikin Mpa | Babu ko ɗaya ko duka na tasirin tasirin da yankin yanki da ake buƙata azaman ma'aunin ƙarfi. | ||||
A | 0.22 | 0.90 | 0.030 | 0.030 | 207 | 331 | ||||||||
B | 0.26 | 1.20 | 0.030 | 0.030 | 241 | 414 | ||||||||
X42 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 414 | ||||||||
X46 | 0.26 | 1.40 | 0.030 | 0.030 | 317 | 434 | ||||||||
X52 | 0.26 | 1.40 | 0.030 | 0.030 | 359 | 455 | ||||||||
X56 | 0.26 | 1.40 | 0.030 | 0.030 | 386 | 490 | ||||||||
X60 | 0.26 | 1.40 | 0.030 | 0.030 | 414 | 517 | ||||||||
X65 | 0.26 | 1.45 | 0.030 | 0.030 | 448 | 531 | ||||||||
X70 | 0.26 | 1.65 | 0.030 | 0.030 | 483 | 565 |
Daya daga cikin manyan aikace-aikace na karkace submerged baka welded karfe bututu nelayin iskar gas na karkashin kasa. Tare da ingantaccen ingancinsa da aikin sa, shine zaɓi na farko don gina amintattun hanyoyin hanyoyin sufuri na iskar gas.
X65 SSAW layin bututuan gina shi daga kayan aiki masu daraja waɗanda ke tabbatar da ƙarfin ƙarfi da ƙarfi. Wannan ya sa ya dace don aikace-aikacen da ke buƙatar babban matsin lamba da juriya ga abubuwan muhalli. Dacewar sa don shigarwa na karkashin kasa yana ƙara nuna ƙaƙƙarfan ƙira da ikon jure yanayin ƙalubale, yana mai da shi mafita ga ayyukan bututun iskar gas na ƙasa.
A matsayin abin dogaro kuma tabbataccen samfur, karkatattun bututun ƙarfe na mu na karkatacciyar ƙaƙƙarfan baƙar welded ana karɓar ko'ina a cikin masana'antu da ayyukan samar da ababen more rayuwa saboda babban aikinsu, karko da dogaro. Babban ingancin gininsa ya sa ya zama zaɓi na farko don tsarin jigilar ruwa da iskar gas, musamman a layin iskar gas na ƙasa inda aminci da inganci ke da mahimmanci.
A taƙaice, karkataccen bututun ƙarfe mai jujjuyawar baka shine kyakkyawan samfuri wanda aka ƙera don biyan buƙatun daban-daban na tsarin isar da ruwa da iskar gas. Saboda iyawar sa da amincinsa, ya zama babban sashi a masana'antu da ayyukan more rayuwa, musamman layin iskar gas na karkashin kasa. Nagartaccen ingancin sa da aikin sa sun sa ya zama kadara mai mahimmanci wajen tabbatar da ingantaccen kuma amintaccen hanyar sufurin iskar gas. Aminta da aminci da aikin mu na karkata-bayan da ke cikin ruwa mai welded na bututun ƙarfe don duk buƙatun ku na ruwa da iskar gas.