API 5L X42 LSAW Steel Pipe: Kugona Kugadzira & Magadzirirwo Echigadzirwa

Sei Womic Steel yeX42 LSAW?

●Maitiro matatu anoenderana (JCOE, UOE, rolled plate) anofukidza mativi akasiyana-siyana

●Kugona kwemadziro kwakakora kusvika 60mm (musono mumwe chete) kana 80mm (musono wakakamurwa kaviri) wekuisa mvura ine simba rakawanda uye mapaipi akawanda

●Nzvimbo yePWHT yekuderedza kushushikana pamadziro akakora uye mapaipi ebasa anovava

●API 5L Monogram + CE + kuongororwa kwevamwe (SGS, BV, TÜV, DNV)

●Kukurumidza kupindura (mazuva 30–50 akajairika)

●Kureba kusvika pamamita makumi maviri nemana kunoderedza kupinza kwesimbi mumunda ne30–40%.

Mibvunzo Inowanzo bvunzwa:

Mubvunzo: Ndinofanira kusarudza rini UOE pachinzvimbo cheJCOE yeX42?
A: UOE inopa kutenderera kuri nani (±0.2% vs ±0.5% yeJCOE) uye kuderedza kushushikana kwasara, zvichiita kuti ive inonyanya kufarirwa pamapaipi emvura yakadzika (pasi pegungwa) uye sevhisi yakaoma uko kugadzikana kwehukuru pasi pekumanikidzwa kwekunze kwakakosha. JCOE inodhura zvishoma kune akawanda mapurojekiti ekunze.

Mubvunzo: Unogona kugadzira pombi yemadziro inorema yeX42 inodarika 50mm here?
A: Ehe. Kuti madziro akobvu kubva pa50mm kusvika 60mm, tinoshandisa musono mumwe chete wakamoneredzwa nePWHT. Pamusono une 60–80mm, musono wakarebesa. Izvi zvinowanzo shandiswa pamitsetse yekuisa mvura pa20–30 MPa kana pamidziyo yemagetsi inopinza mvura.

Mubvunzo: Musiyano uripo pakati pePSL1 nePSL2 yeX42 ndeupi?
A: PSL2 ine miganho yakasimba yeC, P, S, Charpy impact inosungirwa (27J @ 0°C), kuomarara kwakanyanya kwe90 HRB, uye inoda NDT yakawanda. Kune mitsetse yekuunganidza magasi inogona kusangana nekupisa kwakaderera kana H₂S traces, PSL2 inokurudzirwa.

Q: Munopa sevhisi yesour X42 here?
A: Ehe. Tinopa X42 PSL2 neHIC test (NACE TM0284) uye SSC (NACE TM0177). Zvinodiwa zvekugamuchira: CLR ≤ 5%, CTR ≤ 1.5%, CSR ≤ 0.5%. Takapa sevhisi yeX42 kumapurojekiti eMiddle East neWest Africa.

Mubvunzo: Unoita sei kuti uve nechokwadi chekuti weld iri nani pamapombi emadziro akakora (40–60mm)?
A: Tinoshandisa multi-pass SAW ine control chaiyo yekupisa, interpass tembiricha monitoring, uye 100% automated UT ine time-of-flight diffraction (TOFD) yekuongorora volumetric. PWHT inoshandiswa kuderedza kushushikana kwakasara.

Chirevo cheProjekiti - West Africa Natural Gas Gathering Network

Nyika:Nigeria (Dunhu reNiger Delta)
Standard & Giredhi:API 5L X42 PSL2 (basa rakaoma, HIC yakaedzwa)
Zviyero & Huwandu:

OD 508mm (20″) × Huremu 11.9mm – 12,000 metres (anenge matani 1,800) yakagadzirwa neJCOE process

OD 762mm (30″) × Huremu 19.0mm – 3,500 metres (anenge matani 1,550) yakagadzirwa ne rolled plate single seam ine PWHT
Magadzirirwo:Kuvhara kwekunze kwe3LPE (ukobvu hwese hwe2.8mm), magumo akachekwa 30° / 1.6mm, hydrotest pa8.5 MPa (dhizaini yekumanikidza 6.4 MPa). Kumanikidzwa kweCharpy pa0°C (min 27J, yakasvika 65–90J). HIC paNACE TM0284 Mhinduro A, 96h - zvinodiwa zvekugamuchira: CLR ≤ 5%, CTR ≤ 1.5%, CSR ≤ 0.5%.
Kushandiswa:Kuunganidzwa kwegasi rechisikigo kubva pamigero mitanhatu yemvura kuenda kunzvimbo yekuchenesa mvura iri munzvimbo ine madhaka yeNiger Delta. Pombi yemadziro ine huremu hwema 30″ yakashandiswa pakuisa mutsetse mukuru wemvura inoyambuka chikamu chedhaka chemakiromita 1.2, ukuwo mapaipi eJCOE e20″ aishanda semitsara yematavi.

Matambudziko ehunyanzvi nemhinduro:

●Kuyambuka madhamu ane pombi inorema yemadziro– Mapaipi e30″ × 19.0mm (anenge 355 kg/m) aifanira kuiswa pamusoro penzvimbo ine ivhu rakapfava. Magwagwa ekare aisakwanisa kusvika panzvimbo yacho. Womic Steel yakapa mapaipi ane majoini maviri akareba (18m pachinzvimbo che12m) kuderedza huwandu hwemawelds emunda ne33%, zvichideredza welding panzvimbo yacho mumamiriro ezvinhu akaoma. Takapawo mazano akadzama ekusimudza nekubata kusanganisira spreader beam spacing.

●Kutevedzera mitemo yebasa rakashata (H₂S iripo)– Gasi rakabatana raiva ne 30 ppm H₂S. Womic yakaita bvunzo dzeHIC pamapombi ese e20″ JCOE ne30″ akaputirwa. Sampuli dzese dzakapasa neCLR 0%, CTR 0%, CSR 0%. Papombi ye30″ (19mm WT), mutengi aida kuomarara pasi pe85 HRB (yakaoma kupfuura API 5L's 90 HRB). Womic akaisa local induction heating kumusono we weld kuti ive nechokwadi chekuomarara kwakafanana. Mhedzisiro: base metal 78–82 HRB, weld 80–85 HRB.

● Kunamatira kwe3LPE kwekuvhara muhunyoro hwakawanda– Kuiswa kwemvura mumadhamu kwaireva kuti mapaipi aizonyudzwa mumvura kwemavhiki asati adzoserwa mvura. Standard 3LPE inogona kuputsika kana hunyoro hwemvura hukasadzorwa. Womic akaisa pendi iyi munzvimbo inodzorwa nemamiriro ekunze (yakanyanya 60% RH) uye yakaona 100% panguva yekuzorora pa5kV. Simba remapundu rakaedzwa pa25°C rakapa >200 N/cm, riri pamusoro pezvinodiwa neISO 21809 zve100 N/cm.

●Kutakura zvinhu kunzvimbo iri kure– Mapaipi akatumirwa kubva kuShanghai kuenda kuTin Can Island Port, Lagos, ndokuzoendeswa nemarori makiromita mazana matatu nemakumi masere kuenda kunzvimbo yeNiger Delta. Mamiriro emigwagwa akanga asina kunaka uye aine mutoro wehuremu. Womic akagadzira hurongwa hwekutumira achishandisa hurefu hwemamita gumi nemaviri hwemapaipi e20″ (akaunganidzwa) uye majoini e18m emapaipi e30″ pamatrailer ane flatbed nemotokari dzekufambisa. Hapana kukuvara kwecoating kana kukotama kwakaitika panguva yekufambisa.

● Mhedzisiro:Network yekuunganidza gasi yakatangwa mukota yekutanga ya2024. Matani ese 1,550 emapaipi e30″ nematani 1,800 emapaipi e20″ akaongororwa neSGS Nigeria. Mutengi akataura kuti hapana kukanganisa kweweld panguva yekubatanidza field girth, nekuda kwekugara zvakanaka kwe bevel geometry uye ovality control (≤ 0.3% yemapombi eJCOE, ≤ 0.5% yemapombi e rolled plate). Womic Steel ikozvino yave kunyorwa semutengesi anotenderwa wekuwedzera mapaipi mune ramangwana remutengi.

Bata nesu:
Webhusaiti: www.womicsteel.com
E-mail: sales@womicsteel.com

Nhare / WhatsApp / WeChat:
Victor: +86 15575100681
Jack: +86 18390957568

Womic Steel – Mubatsiri wako wakavimbika wemapaipi eAPI 5L X42 LSAW ekuunganidza gasi rine simba repakati, kupinza mvura, uye kushandiswa kwemabasa akaomarara.