API 5L Gulu Bzitsulo chitoliro amapangidwa mogwirizana ndi zofunikira zaAPI 5Lndipo amagwiritsidwa ntchito kwambiri pamakina oyendetsa mapaipi mumakampani amafuta ndi gasi.
Gulu Bangatchulidwenso kutiL245.Khalidwe ndi kuti osachepera zokolola mphamvu ya chitoliro zitsulo ndi245 MPa.
Chitoliro cha mzere wa API 5L chikupezeka m'makalasi awiri azinthu:PSL1amagwiritsidwa ntchito makamaka mumayendedwe oyendera, pomwePSL2ndiyoyenera mikhalidwe yovuta kwambiri yokhala ndi mphamvu zamakina apamwamba komanso miyezo yoyezetsa kwambiri.
Njira yopangira ikhoza kukhala yopanda malire (SMLS), kuwotcherera kukana kwamagetsi (ERW), kapena arc wothiridwa pansi (SAW) kuti zigwirizane ndi zosowa zosiyanasiyana zoyika ndi ntchito.
Botop Steelndi katswiri wopanga wandiweyani-mipanda lalikulu-m'mimba mwake awiri amaganiza kumizidwa arc LSAW zitsulo chitoliro ili mu China.
Malo: Mzinda wa Cangzhou, Chigawo cha Hebei, China;
Ndalama Zonse: 500 miliyoni RMB;
Factory dera: 60,000 lalikulu mamita;
Kuthekera kwapachaka: matani 200,000 a mapaipi achitsulo a JCOE LSAW;
Zida: Zida zamakono zopangira ndi kuyesa;
Specialization: LSAW zitsulo kupanga chitoliro;
Chitsimikizo: API 5L yovomerezeka.
API 5L Gulu B Gulu
Imagawidwa m'mitundu ingapo kutengera Magawo Osiyanasiyana a Product Specification (PSL) komanso momwe amaperekera.
Kugawanika kumeneku kumapangitsa kuti kusankhidwa kwa chitoliro choyenera kukhala choyenera kwambiri kuti chikwaniritse zosowa za polojekiti yapadera komanso zofunikira za malo ogwira ntchito.
PSL1: B.
PSL2: BR;BN;BQ;BM.
Machubu angapo apadera achitsulo a PSL 2 amagwiritsidwa ntchito m'malo apadera.
Malo opangira zowawa: BNS;BQS;BMS.
Malo ogwira ntchito kunyanja: BNO;BQO;Mtengo BMO.
Mapulogalamu amafuna kotalika pulasitiki kupsyinjika mphamvu: BNP;BQP;BMP.
Zoyenera Kutumizira
| PSL | Mkhalidwe Wotumizira | Gulu la Pipe / Steel Giredi | |
| PSL1 | Monga adagulung'undisa, normalizing adagulung'undisa, thermomechanical adagulung'undisa, thermomechanical anapanga, normalizing anapanga, normalized, normalized ndi mtima; kapena, ngatianavomera, kuzimitsidwa ndi kupsya mtima kwa chitoliro cha SMLS chokha | B | L245 |
| Chithunzi cha PSL2 | Monga-wogudubuza | BR | L245R |
| Normalizing anagulung'undisa, normalizing anapanga, normalized, kapena normalized ndi mtima | BN | L245N | |
| Kuzimitsidwa ndi kupsya mtima | BQ | L245Q | |
| Thermomechanical adagulung'undisa kapena thermomechanical anapanga | BM | L245M | |
Mkhalidwe woperekera chitoliro chachitsulo makamaka umatanthawuza chithandizo cha kutentha kapena mankhwala ena omwe amachitidwa kumapeto kwa kupanga chitoliro chachitsulo, ndipo mankhwalawa ali ndi chikoka chofunikira pamakina, kukana dzimbiri, ndi kukhazikika kwadongosolo la chitoliro chachitsulo.
API 5L GR.B Njira Yopangira Mapaipi Achitsulo
Mu API 5L muyezo kalasi B chitoliro akhoza kupangidwa pogwiritsa ntchito imodzi mwa njira kupanga mu tebulo zotsatirazi.
| API 5L PSL1 Gulu B | SMLS | LFW | Mtengo wa HFW | Mtengo wa SAWL | SAWH | NKHANI | Mtengo wa COWH |
| API 5L PSL2 Gulu B | SMLS | - | Mtengo wa HFW | Mtengo wa SAWL | SAWH | NKHANI | Mtengo wa COWH |
Kuti mudziwe zambiri za tanthauzo lachidule cha njira yopangira zinthu,Dinani apa.
Mtengo wa LSAWndiye njira yabwino kwambiri yopangira mapaipi achitsulo okhala ndi mainchesi akulu, okhala ndi mipanda.
Chodziwika bwino pamawonekedwe ndi kukhalapo kwa weld munjira yotalikirapo ya chitoliro.
Mtengo wa SAWL = Mtengo wa LSAW(Longitudinal Submerged-Arc Welded).
Pipe End Type
API 5L Kalasi B zitsulo chitoliro mapeto mitundu zingasiyane mu PSL1 ndi PSL2.
PSL 1 Chitoliro Chachitsulo Mapeto
Belled mapeto; Mapeto osavuta;Mapeto osavuta ophatikizana mwapadera; Mapeto a ulusi.
Mapeto a belled: Ochepa ku machubu okhala ndi D ≤ 219.1 mm (8.625 mu) ndi t ≤ 3.6 mm (0.141 mu) kumapeto kwa socket.
Mapeto a ulusi: Chitoliro chokhala ndi ulusi chimangokhala pa SMLS ndi chitoliro chotalikirapo chokhala ndi D <508 mm (20 in).
PSL 2 Chitoliro Chachitsulo Mapeto
Mapeto osavuta.
Kuti muchepetse chiwombankhanga, zinthu zotsatirazi ziyenera kutsatiridwa:
Nkhope zomalizira za t ≤ 3.2 mm (0.125 mu) chitoliro chakumapeto chiyenera kukhala chodulidwa.
Machubu osawoneka bwino okhala ndi t> 3.2 mm (0.125 mu) adzakulungidwa powotcherera.Mbali ya bevel iyenera kukhala 30-35 ° ndipo m'lifupi mwake muzu wa bevel uyenera kukhala 0.8 - 2.4 mm (0.031 - 0.093 mkati).
API 5L Grade B Chemical Composition
Mankhwala a PSL1 ndi PSL2 chitoliro chachitsulo t> 25.0 mm (0.984 mu) chidzatsimikiziridwa ndi mgwirizano.
Mapangidwe a Chemical a PSL 1 Pipe yokhala ndi t ≤ 25.0 mm (0.984 mu.)
Mapangidwe a Chemical a PSL 2 Pipe yokhala ndi t ≤ 25.0 mm (0.984 mu.)
Pakuti PSL2 zitsulo chitoliro mankhwala kusanthula ndimpweya wa carbon ≤0.12%, mpweya wofanana ndi CEpcmzitha kuwerengedwa pogwiritsa ntchito njira iyi:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Pakuti PSL2 zitsulo chitoliro mankhwala kusanthula ndimpweya wa carbon> 0.12%, mpweya wofanana ndi CEllwzitha kuwerengedwa pogwiritsa ntchito fomula ili pansipa:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
API 5L Grade B Mechanical Property
Tensile Property
PSL1 GR.B Tensile Properties
PSL2 GR.B Tensile Properties
Zindikirani: Kutalika kocheperako komwe kwatchulidwa, Afzidzatsimikiziridwa pogwiritsa ntchito equation yotsatirayi:
Af= C × (Axc0.2/U0.9)
Cndi 1940 powerengera pogwiritsa ntchito ma SI mayunitsi ndi 625,000 powerengera pogwiritsa ntchito ma USC;
Axc ndi gawo loyeserera loyeserera lomwe limagwiritsidwa ntchito, lomwe limawonetsedwa masikweya mamilimita (ma mainchesi akulu), motere:
1) kwa zidutswa zozungulira zoyeserera, 130 mm2(0.20 mu2) kwa 12.7 mm (0.500 mu.) ndi 8.9 mm (0.350 mu.) zidutswa zoyesa m'mimba mwake;65 mm pa2(0.10 mu2) kwa 6.4 mm (0.250 mu.) zidutswa zoyesa m'mimba mwake;
2) pazigawo zonse zoyeserera, zochepa za a) 485 mm2(0.75 mu2) ndi b) gawo la gawo lachiyeso, T lotengedwa pogwiritsa ntchito mawonekedwe akunja akunja ndi makulidwe a khoma la chitoliro, ozungulira mpaka 10 mm wapafupi.2(0.01 mu2);
3) pa zidutswa zoyeserera, zochepa za a) 485 mm2(0.75 mu2) ndi b) gawo la gawo la gawo loyeserera, lotengedwa pogwiritsa ntchito m'lifupi mwake la chidutswa choyesera ndi makulidwe a khoma la chitoliro, mozungulira mpaka 10 mm.2(0.01 mu2);
Undi mphamvu yocheperako yokhazikika, yowonetsedwa mu megapascals (mapaundi pa inchi imodzi).
Bend Test
Palibe gawo lachitsanzo lomwe lidzaphwanyike ndipo chowotcherera sichidzasweka.
Mayeso a Flattening
Sikugwira ntchito ku LSAW chitoliro chachitsulo.
ZoyeneraEW, LW,ndiCWkupanga mitundu ya machubu.
Mayeso owongolera-bend
Onetsani ming'alu kapena kuphulika kulikonse muzitsulo zowotcherera zotalika kuposa 3.2 mm (0.125 mkati), mosasamala kanthu za kuya.
Onetsani ming'alu kapena kung'ambika kulikonse muzitsulo za makolo, HAZ, kapena kuphatikizika kwa mzere wautali kuposa 3.2 mm (0.125 mkati) kapena kuzama kuposa 12.5 % ya makulidwe omwe atchulidwa.
Kuyesa kwa CVN Impact kwa PSL 2 Pipe
Kuyesa kwa CVN (Charpy V-Notch) Impact, njira yoyeserera yowunikira kulimba kwa zinthu zikamakhudzidwa mwachangu.
Zofunikira zotsatirazi zikugwira ntchito pamakalasi ≤ X60 kapena L415.
| CVN Absorbed Energy Requirements for Pipe Body of PSL 2 Pipe | |
| Kutchulidwa Kunja Diameter D mm (m.) | Kukula kwathunthu kwa CVN Absorbed Energy min Kv J (ft.lbf) |
| ≤762 (30) | 27 (20) |
| 762 (30) mpaka 2134 (84) | 40 (30) |
Mayeso a DWT a PSL 2 Welded Pipe
Malo apakati ometa ubweya pachiyeso chilichonse chizikhala ≥ 85 % pa kutentha kwa 0 °C (32 °F).
Kwa machubu okhala ndi makulidwe a khoma> 25.4 mm (1 in.), zofunikira zovomerezeka pakuyezetsa kwa DWT zidzakambidwa.
Kuyesedwa kwa Hydrostatic
Nthawi Yoyesera
Miyezo yonse yamachubu achitsulo opanda msoko ndi otsekemera okhala ndi D ≤ 457 mm (18 in.):nthawi yoyesera ≥ 5s;
Chitoliro chachitsulo chowotcherera D> 457 mm (18 in.):nthawi yoyesera ≥ 10s.
Mayeso pafupipafupi
Chitoliro chilichonse chachitsulo.
Zovuta zoyesa
Kuthamanga kwa hydrostatic test P achitoliro chachitsulo chosamveka bwinoikhoza kuwerengedwa pogwiritsa ntchito fomula.
P = 2St/D
Sndi hoop stress.mtengowo ndi wofanana ndi mphamvu zokolola zochepa za chitoliro chachitsulo ngati peresenti, mu MPa (psi);
Kwa API 5L Giredi B, maperesenti ndi 60% pa kukakamiza muyezo mayeso ndi 70% kwa kukakamiza posankha mayeso.
Kwa D <88.9 mm (3.500 in.), Sikoyenera kuti kupanikizika kwa mayesero kupitirira 17.0 MPa (2470 psi);
Kwa D> 88.9 mm (3.500 mu.), sikoyenera kuti kupanikizika kwa mayeso kupitirira 19.0 MPa (2760 psi).
tndi makulidwe otchulidwa khoma, owonetsedwa mu millimeters ( mainchesi);
Dndi m'mimba mwake wotchulidwa kunja, wowonetsedwa mu millimeters ( mainchesi).
Nondestructive Inspection
Kwa machubu a SAWnjira ziwiri,UT(kuyesa kwa ultrasonic) kapenaRT(kuyesa kwa radiographic), nthawi zambiri amagwiritsidwa ntchito.
ET(kuyesa kwamagetsi) sikugwira ntchito ku machubu a SAW.
Zowotcherera pamapaipi opangidwa ndi giredi ≥ L210/A ndi mainchesi ≥ 60.3 mm (2.375 mu) aziyang'aniridwa mopanda kuwononga makulidwe onse ndi kutalika (100 %) monga zafotokozedwera.
UT mayeso osawononga
RT kufufuza kosawononga
Tchulani Diameter Yakunja ndi Makulidwe a Khoma
Miyezo yokhazikika ya ma diameter akunja ndi makulidwe a khoma la chitoliro chachitsulo amaperekedwaISO 4200ndiASME B36.10M.
Dimensional Tolerances
Kulekerera kwa Diameter ndi Kutuluka-Kuzungulira
Kutalika kwa chitoliro chachitsulo kumatanthauzidwa ngati kuzungulira kwa chitoliro mu ndege iliyonse yozungulira yogawidwa ndi π.
Kulekerera kwa Makulidwe a Khoma
Kulekerera Kwa Utali
Pafupifupi kutalikaidzaperekedwa mkati mwa kulolera kwa ± 500 mm (20 in.).
Kulekerera kwakutalika kwachisawawa
| Kusankhidwa Kwautali Wachisawawa m (ft) | Utali Wochepa m (ft) | Utali Wocheperako Pachinthu Chooda Iliyonse m (ft) | Kutalika Kwambiri m (ft) |
| Chitoliro-ndi-zophatikizana | |||
| 6 (20) | 4.88 (16.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 6.71 (22.0) | 10.67 (35.0) | 13.72 (45.0) |
| Chitoliro Chosavuta | |||
| 6 (20) | 2.74 (9.0) | 5.33 (17.5) | 6.86 (22.5) |
| 9 (30) | 4.11 (13.5) | 8.00 (26.2) | 10.29 (33.8) |
| 12 (40) | 4.27 (14.0) | 10.67 (35.0) | 13.72 (45.0) |
| 15 (50) | 5.33 (17.5) | 13.35 (43.8) | 16.76 (55.0) |
| 18 (60) | 6.40 (21.0) | 16.00 (52.5) | 19.81 (65.0) |
| 24 (80) | 8.53 (28.0) | 21.34 (70.0) | 25.91 (85.0) |
Kulekerera Kuwongoka
Kuwongoka kupatuka pautali wonse wa chubu≤ 0.200 L;
Kuwongoka kupatuka kwa1.5 m (5.0 ft) chitoliro kumapeto kwa chitoliro chachitsulo≤ 3.2mm (0.125 mkati).
Kulekerera Kuwongoka
End squareness imatanthauzidwa ngati lalikulu mpaka kumapeto kwa chitoliro.
Kunja kwa masikweya kuyenera kukhala <1.6 mm (0.063 in.).Kutuluka kwa-squareness kumayesedwa ngati kusiyana pakati pa mapeto a chitoliro ndi mwendo wakumapeto kwa chitoliro.
Kulekerera kwa Weld Seam
Ma Radial Offset Apamwamba Ovomerezekakwa SAW ndi COW Pipe.
| Kunenepa Kwamakoma t mm (m.) | Ma Radial Offset Apamwamba Ovomerezekaamm (m.) |
| ≤ 15.0 (0.590) | 1.5 (0.060) |
| > 15.0 (0.590) mpaka 25.0 (0.984) | 0.1t |
| > 25.0 (0.984) | 2.5 (0.098) |
| aMalire awa amagwiranso ntchito pa ma welds ovula / mbale | |
Kutalika Kwambiri Kovomerezeka kwa Weld Beadkwa SAW ndi COW Pipe (Kupatula pa Pipe Ends).
| Kunenepa Kwamakoma mm (m.) | Weld Bead Kutalika mm (m.) maxim | |
| Mkanda Wamkati | Mkanda Wakunja | |
| ≤13.0 (0.512) | 3.5 (0.138) | 3.5 (0.138) |
| > 13.0 (0.512) | 3.5 (0.138) | 4.5 (0.177) |
Weld adzakhala ndi kusintha kosalala pamwamba pa chitoliro chachitsulo choyandikana.
Ma welds a chitoliro ayenera kudulidwa mpaka kutalika kwa 100 mm (4.0 mu.) ndi kutalika kotsalira kwa weld ≤ 0.5 mm (0.020 mu.).
Kulekerera kwa Misa
Chitoliro chilichonse chachitsulo:
a) kwa chitoliro chapadera cha kuwala kwapadera: -5.0% - + 10.0%;
b) kwa chitoliro mu Gulu L175, L175P, A25, ndi A25P: -5.0% - +10.0%;
c) kwa mapaipi ena onse: -3.5% - +10.0%.
Pipe pa gawo(≥ matani 18 (matani 20) pazambiri):
a) kwa kalasi L175, L175P, A25, ndi A25P: -3.5%;
b) kwa magiredi ena onse: -1.75%.
Mapulogalamu a API 5L GR.B
Chitoliro chachitsulo cha API 5L Grade B ndi mtundu wa chitoliro cha mzere, chomwe chimagwiritsidwa ntchito kunyamula madzi monga mafuta, gasi, ndi madzi, ndipo ndi chimodzi mwazinthu zomwe zimagwiritsidwa ntchito kwambiri pamakampani amafuta ndi gasi.
Njira zotumizira mafuta ndi gasi: API 5L Gulu B chitoliro chachitsulo chimagwiritsidwa ntchito kwambiri pochotsa mafuta ndi gasi m'malo opangira mafuta kuti anyamule mafuta osakanizika ndi gasi wachilengedwe kupita kumalo osonkhanitsira kapena kumalo opangira zinthu.
Mapaipi amadzi: Mankhwala owonjezera apamtunda, monga zokutira kapena zokutira, atha kugwiritsidwa ntchito kuti azitha kudwala kuti agwiritsidwe ntchito potumiza madzi, kuphatikiza njira zoperekera madzi ndi ulimi wothirira.
Oyeretsa: M'malo oyeretsera, API 5L Grade B zitsulo chitoliro chimagwiritsidwa ntchito kunyamula mankhwala osiyanasiyana ndi zapakatikati zochokera ku distillation fractional wa mafuta osakhwima.
Zomangamanga ndi zomangamanga: M'makampani omanga, pomanga milatho, zomangira zothandizira, kapena ntchito zina zofunika za zomangamanga, makamaka komwe kumafunika kunyamula madzi mtunda wautali.
API 5L Kalasi B Yofanana
ASTM A106 Gawo B: Seamless carbon steel chubing yomwe imagwiritsidwa ntchito kwambiri potentha kwambiri, yokhala ndi mankhwala komanso makina opangidwa mofanana kwambiri ndi API 5L Kalasi B. ASTM A106 Gulu B amagwiritsidwa ntchito kwambiri ponyamula nthunzi wamadzi, mankhwala, ndi mafuta.
ASTM A53 Gulu B: Uwu ndi mtundu wina wa chitoliro cha chitsulo cha carbon, chomwe chitha kuwotcherera kapena chopanda msoko, ndipo chimagwiritsidwa ntchito kwambiri pamakina, zomangamanga, ndi ntchito zina zaumisiri.Ngakhale imagwiritsidwa ntchito kwambiri pakuchepetsa mphamvu komanso kutentha, zina zamakina ake zimafanana ndi API 5L Grade B.
EN 10208-2 L245NB: Amagwiritsidwa ntchito popanga mapaipi onyamula mpweya woyaka ndi zakumwa zina.L245NB (1.0457) ndi chitsulo chapaipi chapakati champhamvu chokhala ndi makina amakina ofanana ndi API 5L Gulu B.
ISO 3183 L245: Amagwiritsidwa ntchito m'mapaipi oyendetsa mapaipi m'makampani amafuta ndi gasi.L245 mu ISO 3183 ili pafupi kwambiri ndi katundu wa API 5L Gulu B ndipo nthawi zambiri imatha kugwiritsidwa ntchito mosiyana.
Ntchito Zowonjezera Zomwe Tingapereke
Botop Steelsikuti amangopereka chitoliro chachitsulo chapamwamba kwambiri cha API 5L Grade B, komanso amakupatsirani ntchito zingapo zothandizira, kuphatikiza njira zingapo zokutira zotsutsana ndi dzimbiri, mayankho amapaketi amunthu payekha, komanso thandizo lathunthu lazinthu kuti muwonetsetse kuti titha kukumana ndi zosiyanasiyana zanu. zosowa.
Tadzipereka kupanga njira yopezera njira imodzi yomwe imakupatsani mwayi wopeza zinthu zonse ndi ntchito zomwe mukufuna.Ndi ntchito zathu zamaluso komanso zodalirika, mutha kumaliza gawo lililonse la polojekiti yanu moyenera komanso mopanda zovuta, kuwonetsetsa kuti ntchito yanu ndi yabwino komanso ikupita patsogolo.Cholinga chathu ndi kukhala bwenzi lanu lodalirika kwambiri.
Anti-corrosion zokutira
Botop Steelimapereka njira zingapo zokutira zoteteza dzimbiri, kuphatikizautoto, malata,3LPE (HDPE)3 LPP,FBE, ndi zowonjeza za simenti, kuti mukwaniritse zofunikira zosiyanasiyana zogwiritsira ntchito polojekiti yanu.
kuyika
Timapereka zosankha zingapo zamapaketi, kuphatikiza mabale, ma tarps, ma crate, ndi zipewa za mapaipi, zomwe zitha kusinthidwa kuti zikwaniritse zosowa zanu.
Othandizira ukadaulo
Kampani yathu yadzipereka kupereka chithandizo chokwanira chaukadaulo chomwe chimakhudza magawo onse a polojekiti.Kuchokera pakukonzekera ma tender a project pre-project to the mid-procurement procurement and transportation, to post-project kukonza ndi kuthetsa mavuto, gulu lathu akatswiri akhoza kukupatsani malangizo akatswiri ndi chithandizo.
Cholinga chathu ndikukuthandizani kugula zinthu zapamwamba komanso zotsika mtengo ku China, kuwonetsetsa kuti polojekiti yanu ikuyenda bwino komanso yotsika mtengo.Tikuyembekezera kugwira ntchito nanu kuti mupange tsogolo lopambana.
