API 5L Giredi Bchitoliro chachitsulo chimapangidwa motsatira zofunikira zoyenera zaAPI 5Lndipo imagwiritsidwa ntchito kwambiri m'machitidwe oyendera mapaipi mumakampani amafuta ndi gasi.
Giredi Bangatchulidwenso kutiL245Khalidwe lake ndilakuti mphamvu yocheperako ya chitoliro chachitsulo ndi245 MPa.
Chitoliro cha mzere wa API 5L chikupezeka m'magawo awiri ofotokozera zinthu:PSL1imagwiritsidwa ntchito makamaka mu machitidwe oyendera wamba, pomwePSL2ndi yoyenera pa matenda oopsa kwambiri okhala ndi mphamvu zambiri zamakanika komanso miyezo yoyesera yokhwima.
Njira yopangira zinthu ikhoza kukhala yopanda phokoso (SMLS), kukana kwamagetsi kolumikizidwa (ERW), kapena chotchingira pansi pa nthaka cholumikizidwa (SAW) kuti zigwirizane ndi zosowa zosiyanasiyana zoyika ndi zogwirira ntchito.
Chitsulo cha Botopndi katswiri wopanga chitoliro chachitsulo cha LSAW chokhala ndi makoma akuluakulu okhala ndi mbali ziwiri cholumikizidwa ndi makoma akuluakulu chomwe chili ku China.
Malo: Mzinda wa Cangzhou, Chigawo cha Hebei, China;
Ndalama Zonse Zoyikidwa: 500 miliyoni RMB;
Malo opangira mafakitale: 60,000 sq.m.;
Mphamvu yopangira pachaka: matani 200,000 a mapaipi achitsulo a JCOE LSAW;
Zipangizo: Zipangizo zopangira ndi zoyesera zapamwamba;
Zapadera: Kupanga mapaipi achitsulo a LSAW;
Chitsimikizo: Chitsimikizo cha API 5L.
Gulu la API 5L Giredi B
Imagawidwa m'mitundu yosiyanasiyana kutengera Magawo osiyanasiyana a Product Specification (PSL) komanso momwe zinthu zimayendera.
Kugawa kumeneku kumapangitsa kusankha chitoliro choyenera kukhala kofunikira kwambiri kuti chikwaniritse zosowa za polojekiti inayake komanso zofunikira za malo ogwirira ntchito.
PSL1: B.
PSL2: BR;BN;BQ;BM.
Machubu angapo apadera achitsulo a PSL 2 amagwiritsidwa ntchito pazinthu zapadera zogwirira ntchito.
Malo ogwirira ntchito opanda pake: BNS; BQS; BMS.
Malo ogwirira ntchito kumayiko ena: BNO; BQO; BMO.
Kugwiritsa ntchito komwe kumafuna mphamvu yayitali ya pulasitiki: BNP; BQP; BMP.
Mikhalidwe Yotumizira
| PSL | Mkhalidwe Wotumizira | Kalasi ya Chitoliro/Kalasi ya Chitsulo | |
| PSL1 | Pamene ikuzunguliridwa, ikuzunguliridwa bwino, ikuzunguliridwa ndi thermomechanical, ikupangika ndi thermomechanical, ikupangikanso, ikupangikanso, ikupangikanso ndi kutenthedwa; kapena, ngatiKuvomereza, kuzimitsidwa ndi kutenthedwa pa chitoliro cha SMLS chokha | B | L245 |
| PSL 2 | Monga momwe zalembedwera | BR | L245R |
| Kusinthasintha kozungulira, kusinthasintha, kukhazikika, kapena kukhazikika komanso kukhazikika | BN | L245N | |
| Kuzimitsidwa ndi kutenthedwa | BQ | L245Q | |
| Chopangidwa ndi thermomechanical chozunguliridwa kapena chopangidwa ndi thermomechanical | BM | L245M | |
Mkhalidwe woperekera chitoliro chachitsulo makamaka umatanthauza kutentha kapena njira zina zochiritsira zomwe zimachitika kumapeto kwa njira yopangira chitoliro chachitsulo, ndipo njira zimenezi zimakhudza kwambiri momwe makina amagwirira ntchito, kukana dzimbiri, komanso kukhazikika kwa kapangidwe ka chitoliro chachitsulo.
Njira Yopangira Chitoliro cha API 5L GR.B Chitsulo
Mu API, chitoliro cha 5L Standard Giredi B chingapangidwe pogwiritsa ntchito njira imodzi yopangira yomwe ili patebulo lotsatira.
| API 5L PSL1 Giredi B | SMLS | LFW | HFW | SAWL | SAWH | COWL | Ng'ombe |
| API 5L PSL2 Giredi B | SMLS | — | HFW | SAWL | SAWH | COWL | Ng'ombe |
Kuti mudziwe zambiri za tanthauzo la chidule cha Njira Yopangira Zinthu,Dinani apa.
LSAWndiyo njira yabwino kwambiri yothetsera mapaipi achitsulo akuluakulu komanso okhala ndi makoma okhuthala.
Chinthu chosiyana ndi mawonekedwe ake ndi kupezeka kwa weld mbali yayitali ya chitoliro.
Mtundu wa Mapeto a Chitoliro
Mitundu ya mapeto a chitoliro chachitsulo cha API 5L Giredi B ikhoza kusiyana mu PSL1 ndi PSL2.
Mapeto a Chitoliro cha PSL 1
Mapeto okhala ndi belu; Mapeto osavuta;Mapeto osavuta olumikizirana mwapadera; Mapeto okhala ndi ulusi.
Mapeto ozungulira: Okhawokha pa machubu okhala ndi D ≤ 219.1 mm (8.625 in) ndi t ≤ 3.6 mm (0.141 in) kumapeto kwa soketi.
Mapeto olumikizidwa: Chitoliro cholumikizidwa chili ndi malire a SMLS ndi chitoliro cholumikizidwa ndi msoko wautali chokhala ndi D < 508 mm (20 in).
Mapeto a Chitoliro cha PSL 2 Chitsulo
Mapeto osavuta.
Pa malekezero a chitoliro chosavuta, zofunikira izi ziyenera kutsatiridwa:
Mapeto a chitoliro chopanda malire cha t ≤ 3.2 mm (0.125 in) ayenera kudulidwa mozungulira.
Machubu opanda malekezero okhala ndi t > 3.2 mm (0.125 in) ayenera kukhala opindika kuti awonjezedwe. Ngodya ya bevel iyenera kukhala 30-35° ndipo m'lifupi mwa mizu ya bevel iyenera kukhala 0.8 - 2.4 mm (0.031 - 0.093 in).
Kapangidwe ka mankhwala a API 5L Giredi B
Kapangidwe ka mankhwala a chitoliro chachitsulo cha PSL1 ndi PSL2 t > 25.0 mm (0.984 in) kadzatsimikiziridwa ndi mgwirizano.
Kapangidwe ka Mankhwala a PSL 1 Pipe yokhala ndi t ≤ 25.0 mm (0.984 in.)
Kapangidwe ka Mankhwala a Chitoliro cha PSL 2 chokhala ndi t ≤ 25.0 mm (0.984 in.)
Pa zinthu zachitsulo za PSL2 zomwe zawunikidwa ndikuchuluka kwa mpweya wa ≤0.12%, CE yofanana ndi kabonipcmakhoza kuwerengedwa pogwiritsa ntchito fomula iyi:
CEpcm= C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/15 + 5B
Pa zinthu zachitsulo za PSL2 zomwe zawunikidwa ndikuchuluka kwa mpweya > 0.12%, CE yofanana ndi kabonillwakhoza kuwerengedwa pogwiritsa ntchito fomula ili pansipa:
CEllw= C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15
Katundu wa Makina a API 5L Giredi B
Katundu Wolimba
Katundu Wokoka wa PSL1 GR.B
Katundu Wokoka wa PSL2 GR.B
Zindikirani: Kutalika kochepa komwe kwatchulidwa, Afziyenera kutsimikiziridwa pogwiritsa ntchito equation yotsatirayi:
Af= C × (Axc0.2/U0.9)
Cndi 1940 powerengera pogwiritsa ntchito mayunitsi a SI ndi 625,000 powerengera pogwiritsa ntchito mayunitsi a USC;
Axc ndi malo ogwirira ntchito a chidutswa choyesera cholimba, chofotokozedwa mu mamilimita apakati (mainchesi apakati), motere:
1) pa zidutswa zoyeserera zozungulira, 130 mm2(0.20 inchi.)2) pa zidutswa zoyesera za 12.7 mm (0.500 in.) ndi 8.9 mm (0.350 in.) m'mimba mwake; 65 mm2(0.10 inchi.)2) pa zidutswa zoyesera za 6.4 mm (0.250 in.) m'mimba mwake;
2) pa zidutswa zoyesera za gawo lonse, zochepera a) 485 mm2(0.75 inchi.)2) ndi b) dera lopingasa la chidutswa choyesera, T yochokera pogwiritsa ntchito m'mimba mwake wakunja ndi makulidwe a khoma la chitoliro, yozunguliridwa kufika pa 10 mm yapafupi.2(0.01 inchi.)2);
3) pa zidutswa zoyesera, zochepera a) 485 mm2(0.75 inchi.)2) ndi b) malo opingasa a chidutswa choyesera, chochokera pogwiritsa ntchito m'lifupi mwa chidutswa choyesera ndi makulidwe a khoma la chitoliro, chozunguliridwa kufika pa 10 mm pafupi2(0.01 inchi.)2);
Undi mphamvu yocheperako yokhazikika, yomwe imafotokozedwa mu megapascals (mapaundi pa inchi imodzi).
Mayeso Opindika
Palibe gawo la chitsanzo lomwe lidzasweke ndipo chosungunula sichidzasweka.
Mayeso Ophwanyika
Sikugwira ntchito pa chitoliro chachitsulo cha LSAW.
YoyeneraEW, LWndiCWmitundu yopanga machubu.
Mayeso Otsogozedwa
Ululani ming'alu kapena kusweka kulikonse mu chitsulo chosungunula chomwe chili ndi kutalika kopitilira 3.2 mm (0.125 in), mosasamala kanthu za kuya kwake.
Ululani ming'alu kapena kusweka kulikonse mu chitsulo choyambirira, HAZ, kapena mzere wosakanikirana wautali kuposa 3.2 mm (0.125 in) kapena kuzama kuposa 12.5% ya makulidwe a khoma omwe atchulidwa.
Mayeso a CVN Impact a PSL 2 Pipe
Mayeso a CVN (Charpy V-Notch), njira yoyesera yokhazikika yowunikira kulimba kwa zinthu zikakhudzidwa ndi katundu wofulumira.
Zofunikira zotsatirazi zikugwira ntchito pa magiredi ≤ X60 kapena L415.
| Zofunikira za Mphamvu Zoyamwa za CVN pa Body ya Pipe ya PSL 2 Pipe | |
| M'mimba mwake wakunja wotchulidwa D mm (mkati) | Mphamvu Yokwanira Yogwiritsa Ntchito CVN mphindi Kv J (ft.lbf) |
| ≤762 (30) | 27 (20) |
| ＞762 (30) mpaka 2134 (84) | 40 (30) |
Mayeso a DWT a PSL 2 Welded Pipe
Malo oyeretsera apakati pa mayeso aliwonse azikhala ≥ 85% pa kutentha kwa mayeso a 0 °C (32 °F).
Pa machubu okhala ndi makulidwe a khoma >25.4 mm (1 in.), zofunikira zovomerezeka pa mayeso a DWT ziyenera kukambidwa.
Mayeso a Hydrostatic
Nthawi Yoyesera
Machubu onse achitsulo chosasunthika komanso cholumikizidwa okhala ndi D ≤ 457 mm (18 in.):nthawi yoyesera ≥ masekondi 5;
Chitoliro chachitsulo cholumikizidwa D > 457 mm (18 in.):nthawi yoyesera ≥ masekondi 10.
Kuchuluka kwa Mayeso
Chitoliro chilichonse chachitsulo.
Kupanikizika kwa mayeso
Kupanikizika kwa mayeso a hydrostatic P kwa achitoliro chachitsulo chopanda malireakhoza kuwerengedwa pogwiritsa ntchito fomula.
P = 2St/D
Sndi kupsinjika kwa hoop. Mtengo wake ndi wofanana ndi mphamvu yocheperako yopezera mphamvu ya chitoliro chachitsulo cha xa peresenti, mu MPa (psi);
Kwa API 5L Giredi B, maperesenti ndi 60% pa kuthamanga kwa mayeso kokhazikika ndi 70% pa kuthamanga kwa mayeso kosankha.
Pa D <88.9 mm (3.500 in.), sikofunikira kuti kuthamanga kwa mayeso kudutse 17.0 MPa (2470 psi);
Pa D > 88.9 mm (3.500 in.), sikofunikira kuti kuthamanga kwa mayeso kudutse 19.0 MPa (2760 psi).
tndi makulidwe a khoma omwe atchulidwa, omwe amafotokozedwa mu mamilimita (mainchesi);
Dndi m'mimba mwake wakunja womwe watchulidwa, womwe umafotokozedwa mu mamilimita (mainchesi).
Kuyang'anira Kosawononga
Za machubu a SAWnjira ziwiri,UT(kuyesa kwa ultrasonic) kapenaRT(kuyesa kwa X-ray), nthawi zambiri kumagwiritsidwa ntchito.
ET(kuyesa kwa maginito) sikugwira ntchito pa machubu a SAW.
Mizere yolumikizidwa pa mapaipi olumikizidwa amitundu ≥ L210/A ndi mainchesi ≥ 60.3 mm (2.375 in) iyenera kuyang'aniridwa mosawononga makulidwe ndi kutalika konse (100%) monga momwe zafotokozedwera.
Kuyesa kosawononga kwa UT
Kuyesa kwa RT kosawononga
Tchulani Kunja kwa M'mimba mwake ndi Kukhuthala kwa Khoma
Miyezo yokhazikika ya mainchesi akunja otchulidwa ndi makulidwe a khoma la chitoliro chachitsulo yaperekedwa muISO 4200ndiASME B36.10M.
Kulekerera kwa Miyezo
Kulekerera kwa Diameter ndi Out-of-roundness
M'mimba mwake mwa chitoliro chachitsulo mumafotokozedwa ngati kuzungulira kwa chitoliro chilichonse chozungulira chogawidwa ndi π.
Kulekerera kwa Kukhuthala kwa Khoma
Kulekerera kwa Utali
Kutalika koyerekezaiyenera kuperekedwa mkati mwa kulekerera kwa ± 500 mm (20 in.).
Kulekerera kwakutalika kosasintha
| Kusankhidwa Kwautali Wosasinthika m (ft) | Utali Wocheperako m (ft) | Kutalika Kochepa kwa Avereji pa Chinthu Chilichonse Choyitanitsa m (ft) | Kutalika Kwambiri m (ft) |
| Chitoliro Cholumikizidwa ndi Ulusi | |||
| 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 chopanda malire | |||
| 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) |
Kuleza Mtima pa Kuwongoka
Kupatuka kowongoka pamwamba pautali wonse wa chubu: ≤ 0.200 L;
Kupatuka kwa kulunjika kwaChitoliro cha chitsulo cha mamita 1.5 (5.0 ft) chimatha kumapeto kwa chitoliro chachitsulo: ≤ 3.2mm (0.125 in.).
Kuleza Mtima pa Kuwongoka
Kutalika kwa sikweya kumapeto kumatanthauzidwa ngati sikweya mpaka kumapeto kwa chitoliro.
Kuchuluka kwa sikweya kuyenera kukhala < 1.6 mm (0.063 in.). Kuchuluka kwa sikweya kumayesedwa ngati mpata pakati pa mapeto a chitoliro ndi mwendo wa kumapeto kwa chitoliro.
Kulekerera kwa Weld Seam
Kuchotsera Kwambiri Kovomerezeka kwa Radialya SAW ndi COW Pipe.
| Kunenepa kwa Khoma t mm (mkati) | Kuchotsera Kwambiri Kovomerezeka kwa Radialamm (mkati) |
| ≤ 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 zotchingira/zotchingira mbale | |
Kutalika Kwambiri Kovomerezeka kwa Weld Beadya SAW ndi COW Pipe (Kupatula pa Mapeto a Pipe).
| Kunenepa kwa Khoma mm (mkati) | Kutalika kwa mkanda wolukidwa mm (mkati) mawu omveka bwino | |
| 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) |
Cholukiziracho chiyenera kukhala ndi kusintha kosalala pamwamba pa chitoliro chachitsulo chapafupi.
Ma weld a m'mphepete mwa mapaipi ayenera kuphwanyidwa mpaka kutalika kwa 100 mm (4.0 in.) ndi kutalika kwa weld yotsalira ya ≤ 0.5 mm (0.020 in.).
Kulekerera Misa
Chitoliro chilichonse chachitsulo：
a) pa chitoliro chapadera cha kukula kowala: -5.0% - +10.0%;
b) pa chitoliro mu Giredi L175, L175P, A25, ndi A25P: -5.0% - +10.0%;
c) pa mapaipi ena onse: -3.5% - +10.0%.
Chitoliro pa gawo lililonse(≥ matani 18 (matani 20) a malo oyitanitsa):
a) pa magiredi L175, L175P, A25, ndi A25P: -3.5%;
b) pa magiredi ena onse: -1.75%.
Mapulogalamu a API 5L GR.B
Chitoliro chachitsulo cha API 5L Giredi B ndi mtundu wa chitoliro cha mzere, chomwe chimagwiritsidwa ntchito makamaka kunyamula madzi monga mafuta, gasi wachilengedwe, ndi madzi, ndipo ndi chimodzi mwa zinthu zomwe zimagwiritsidwa ntchito kwambiri mumakampani amafuta ndi gasi.
Makina otumizira mafuta ndi gasiChitoliro chachitsulo cha API 5L Giredi B chimagwiritsidwa ntchito kwambiri m'malo opangira mafuta ndi gasi kuti anyamule mafuta osakonzedwa ndi gasi wachilengedwe kupita ku makina osonkhanitsira kapena malo opangira zinthu.
Mapaipi amadzi: Mankhwala ena owonjezera pamwamba, monga zokutira kapena zokutira, angagwiritsidwe ntchito kuti awonjezere kukana dzimbiri kuti agwiritsidwe ntchito ponyamula madzi, kuphatikizapo njira zoperekera madzi ndi kuthirira.
Malo oyeretsera zinthu: M'malo oyeretsera, chitoliro chachitsulo cha API 5L Giredi B chimagwiritsidwa ntchito kunyamula mankhwala osiyanasiyana ndi zinthu zina zogwiritsidwa ntchito kuchokera ku distillation ya mafuta osakonzedwa.
Ntchito yomanga ndi zomangamangaMu makampani omanga, pomanga milatho, nyumba zothandizira, kapena mapulojekiti ena ofunikira a zomangamanga, makamaka komwe kumafunika kunyamula madzi kutali.
API 5L Giredi B Yofanana
ASTM A106 Giredi BMachubu a chitsulo cha kaboni chopanda msoko omwe nthawi zambiri amagwiritsidwa ntchito popereka chithandizo cha kutentha kwambiri, okhala ndi kapangidwe ka mankhwala ndi mawonekedwe a makina ofanana kwambiri ndi API 5L Giredi B. ASTM A106 Giredi B nthawi zambiri amagwiritsidwa ntchito ponyamula nthunzi yamadzi yotentha kwambiri, mankhwala, ndi zinthu zamafuta.
ASTM A53 Giredi B: Uwu ndi mtundu wina wa chitoliro chachitsulo cha kaboni, chomwe chingathe kuwotcherera kapena kusasoka, ndipo chimagwiritsidwa ntchito kwambiri mu ntchito zamakina, zomangamanga, ndi zina zauinjiniya. Ngakhale kuti chimagwiritsidwa ntchito makamaka pa ntchito zotsika mphamvu ndi kutentha, zina mwa zinthu zake zamakina ndizofanana ndi API 5L Giredi B.
EN 10208-2 L245NB: Amagwiritsidwa ntchito popanga mapaipi onyamulira mpweya woyaka ndi zakumwa zina. L245NB (1.0457) ndi chitsulo chapakati cha mapaipi chomwe chili ndi mphamvu yapakatikati yokhala ndi mawonekedwe ofanana ndi API 5L Giredi B.
ISO 3183 L245: Imagwiritsidwa ntchito m'machitidwe oyendera mapaipi mumakampani amafuta ndi gasi. L245 mu ISO 3183 ili pafupi kwambiri ndi API 5L Giredi B ndipo nthawi zambiri ingagwiritsidwe ntchito mosinthana.
Ntchito Zina Zomwe Tingapereke
Chitsulo cha BotopSikuti imangopereka chitoliro chachitsulo cha API 5L Giredi B chapamwamba kwambiri, komanso imakupatsirani mautumiki angapo othandizira, kuphatikiza mitundu yosiyanasiyana ya zokutira zotsutsana ndi dzimbiri, njira zomangira zomwe zasankhidwa payekha, komanso chithandizo chokwanira cha zinthu kuti titsimikizire kuti tikukwaniritsa zosowa zanu zosiyanasiyana.
Tadzipereka kupanga nsanja imodzi yopezera zinthu zomwe zingakuthandizeni kupeza mosavuta zinthu ndi ntchito zonse zomwe mukufuna. Ndi ntchito zathu zaukadaulo komanso zodalirika, mutha kumaliza gawo lililonse la polojekiti yanu bwino komanso mopanda mavuto, ndikuwonetsetsa kuti zinthu zili bwino komanso zikupita patsogolo. Cholinga chathu ndikukhala bwenzi lanu lodalirika kwambiri.
Chophimba Choletsa Kutupa
Chitsulo cha Botopimapereka mitundu yosiyanasiyana ya zophimba zoteteza dzimbiri, kuphatikizapoutoto, galvanized,3LPE (HDPE), 3LPP,FBEndi zinthu zotsutsana ndi simenti, kuti mukwaniritse zofunikira zosiyanasiyana zogwiritsira ntchito pulojekiti yanu.
kulongedza
Timapereka njira zosiyanasiyana zopakira, kuphatikizapo ma bales, ma tarps, ma crates, ndi zipewa za mapaipi, zomwe zingasinthidwe kuti zigwirizane ndi zosowa zanu.
Othandizira ukadaulo
Kampani yathu yadzipereka kupereka chithandizo chokwanira chaukadaulo chomwe chimakhudza magawo onse a polojekiti. Kuyambira kukonzekera kopereka ndalama zogulira ntchito mpaka kugula ndi mayendedwe apakati pa polojekiti, mpaka kukonza ndi kuthetsa mavuto pambuyo pa polojekiti, gulu lathu la akatswiri lingakupatseni upangiri ndi chithandizo cha akatswiri.
Cholinga chathu ndikukuthandizani kugula zinthu zapamwamba komanso zotsika mtengo ku China, kuonetsetsa kuti polojekiti yanu ikuyenda bwino komanso mopanda mtengo. Tikuyembekezera kugwira nanu ntchito kuti tipeze tsogolo labwino kwa onse.
