LSAW Pipe a wɔde yɛ adwuma

Nsuo afiri akɛseɛ-a ne ntwemu a ɛtwam-ɔman ntam, asubɔnten a ɛtwa, hyɛn gyinabea ne fapem a emu dɔ ntaa mfa nsuo afiri korɔ no ara nni dwuma sɛ boiler anaa process line tiawa. Ɛha yi, wɔn a wɔyɛ adwumfo taa frɛLSAW (Longitudinal Submerged Arc Welded) dade afiri a wɔde yɛ adwuma, efisɛ ɛma wɔka bommprɛte a ɛtrɛw, ɔfasu a emu yɛ duru ne tẽẽ-seam welds a ɛnyɛ den sɛ wɔbɛhwehwɛ mu na wɔahwehwɛ.

Octal Pipe twe adwene si adwuma a ɛte sɛɛ so. Yɛde nneɛma maplate-based LSAW pipe a JCOE nhyehyɛe no yɛe a ɛwɔ afã abien-SAW welding, a wɔde kata soAPI 5L Adesuakuw B–X100 ne structure grades a ɛne no hyia. Diameters fi400–1626 mmne ɔfasu no mu duru kɔsi75 mmma kwan ma LSAW range biako nkata sotrunk lines, station headers, offshore piles ne nsuo akɛseɛ, enti enhia sɛ wohwɛ owiyammo ahorow so ma adwuma no fã biara.

Nsusuwii Su ahorow

Nneɛma a Wɔde Di Dwuma Abasobɔde ne Nkyekyɛmu

Octal Pipe de LSAW paipu ma wɔ sɛnea wogye tom sɛ line-pipe ne pressure-pipe nkyerɛkyerɛmu te. Gyinapɛn ahorow a yɛtaa gyina akyi no bi ne:

• API SPEC 5L (PSL1 / PSL2) .– Line pipe a wɔde fa ngo, gas ne nsuo kɔ; CVN, HIC/SSC sɛnea adwuma no te.
• GB/T 9711-2017 na ɛwɔ hɔ– Petroleum ne abɔdeɛ mu gas nnwuma-Dadeɛ paipu a wɔde fa nsuo afiri mu (L245–L555).
• ISO 3183 na ɛwɔ hɔ (sɛ wobisa a) .– Amanaman ntam line-pipe gyinapɛn a ɛne API 5L hyia.
• ASTM A671 / ASTM A672 na ɛwɔ hɔ– EFW/SAW paipu ma wim kɔsi nhyɛsoɔ kɛseɛ-nhyɛsoɔ som, ɔhyew a ɛkɔ fam kɔsi soro.
• GB/T 3091-2015 na ɛwɔ hɔ– Welded dadeɛ paipu ma low-nhyɛso nsuo som (ma wɔakyerɛ civil/utility dwumadie).
• SY/T 5037-2018 na ɛyɛ adwuma– SAW paipu ma nsuo a ɛyɛ mpapahwekwa(ma SSAW akwan foforo bere a wɔakyerɛ).
• Ɔman no mu & amanaman ntam gyinapɛn afoforo– s.e., CSA Z245.1, project sour-som ahwehwɛdeɛ (NACE MR0175/ISO 15156 nneɛma a wɔpaw), ne third-party 3.2 nhwehwɛmu betumi ayɛ nhyehyɛeɛ.

Mill sɔhwɛ adansedi nkrataa (EN 10204 3.1 / 3.2) ne NDT kyerɛwtohɔ a edi mũ wɔ hɔ wɔ biribiara a wɔde bɛkɔ no ho.

• Mprɛte ahosiesie → anoano milling
• Nneɛma a wɔhyehyɛ (JCOE anaa UOE) .
• Tack welding + mu/akyi SAW
• UT/RT (bere a wɔakyerɛ) .
• Ntrɛwmu + teɛteɛ + awiei beveling
• Hydrotest + nhwehwɛmu a etwa to (bere a wɔakyerɛ) .

LSAW Pipe a Wɔde Yɛ Nneɛma a Wɔde Di Dwuma

Nneɛma a Wɔde Yɛ Nneɛma a Wɔde Yɛ Adwuma

• Hot-rolled plate/coil a efi mills a ɛfata mu wɔ nhwehwɛmu a emu yɛ den a wɔba ase
• Wɔde magnetic particle / visual inspection hwɛ soro de yi laminations ne surface sintɔ ahorow fi hɔ
• Nnuru a ɛwɔ mu a wɔagye atom sɛ ɛne API 5L / project grade a wɔhwehwɛ no hyia
• High-pressure water descaling de hwɛ hu sɛ dade ani a ɛho tew ansa na wɔayɛ na wɔayɛ welding

Mfiridwuma a Wɔhyehyɛ

• Precision uncoiling ne leveling na ama mprɛte nsusuwii agyina
• Hydraulic straightening ne servo-controlled forming ma pipe diameter ne kurukuruwa a ɛyɛ pɛpɛɛpɛ
• Digital bend/edge alignment control na ama weld gap ayɛ pɛ wɔ ne tenten nyinaa mu
• Forming nhyehyɛe optimized na wɔakwati weld seam "bulging" ne mismatch wɔ nkwaa no

Welding Adeyɛ a Wɔyɛ

• High-efficiency automatic welding stations ma ntini ne ahyɛnsode twam
• Multi-wire submerged arc welding (4–5 wires) sɛnea ɛbɛyɛ a wobenya penetration a edi mũ ne deposition rate a ɛkorɔn
• Kɔ so, full-length welding de ahobammɔ joint integrity wɔ LSAW paipu atenten so
• Wɔ-line welding parameter monitoring ne kyerɛwtohɔ de hwehwɛ weld su

Sɔhwɛ a Ɛnyɛ-Ɔsɛe ade

• Automatic ultrasonic sɔhwɛ (UT) wɔ weld seam ne bɛn nnyinaso dade
• 100% X-ray (RT) anaa panoramic nhwehwɛmu wɔ weld no so sɛnea project/API ahwehwɛde ahorow te
• Weld qualification rate a wɔayɛ sɛ ɛbɛboro 99.5% denam process control ne re-work loop so

Surface Treatment & Nneɛma a Wɔde Kata So

• Mfinimfini ne akyi soro ahotew/blasting to coating grade
• Nneɛma pii a wɔde kata so a ɛko tia-corrosion a ɛwɔ hɔ: 3PE/3LPE, FBE, epoxy, anaa project-nhyehyɛe a wɔakyerɛ
• Coating adhesion ne thickness hwɛɛ; nkyene-spray / onyin sɔhwɛ betumi adu Greater anaasɛ ɛyɛ pɛ 1000 h gyina nhyehyɛe so
• Nsuo afiri a wɔawie a wɔde ama a wɔde awiei nkataso ne agyiraehyɛde a wɔde fa nneɛma ne afuw mu a wɔde besisi hɔ

Wɔ nnwuma pii mu no, asɛmmisa a edi kan no nyɛ "kɛse bɛn na ɛwɔ hɔ", na mmompaipu su bɛn na ɛfata: LSAW, SSAW anaa ERW. Octal de ne ho hyɛ abiɛsa no nyinaa mu, nanso ntease ahorow a emu da hɔ wɔ hɔ a enti adwumfo ne wɔn wuranom hyɛ da pawLSAW dade paipuwɔ nsɛm bi mu.

LSAW vs SSAW (wɔde spiral weld ayɛ) .

SSAW (spiral welded) paipu yɛ adwuma yiye mansu nhama a ɛba fam kosi nea ɛwɔ nhyɛso kɛse ne nsu nhama bi a ɛwɔ asase sobaabi a ɛka a wɔbɔ ne ade titiriw a ɛde ba. Nanso, piihigh-pressure transmission pipelines, asubɔnten a ɛtwa, nsuo a ɛwɔ mpoano ne structure pileswɔakyerɛ sɛLSAW na ɛyɛɛfiri:

• noweld seam yɛ tẽẽ, ɛnyɛ den sɛ wɔbɛhwehwɛ mu na wɔafata ama AUT ne fracture mechanics;
• ɔfasu a emu yɛ duru ( .ɛkɔ soro kodu mm 40–75) yɛ nea mfaso wɔ so kɛse fi prɛte so sen sɛ efi spiral mu;
• bidesign codes ne client specs anohyeto anaasɛ ɛyi spiral welds fi muwɔ mmeae a nea efi mu ba kɛse-mu.

Nea afi mu aba ne sɛ, API 5L nnwuma a ɛhwehwɛ sɛX60–X80 a CVN / DWTT ne HIC a wopɛmpɛn pii no, ɛba awiei sɛ wɔde di dwumatẽẽ-seam LSAWma afã horow a ɛho hia no, sɛ wɔama SSAW kwan wɔ baabi foforo mpo a.

LSAW vs ERW (a anyinam ahoɔden a ɛko tia welded) .

ERW yɛ nea abu so manketewa ne akɛse a ɛwɔ ntamwɔ nkyekyɛmu ntam, casing ne general structural adwuma mu. Bere bi OD kɔ soro roughly400–508 mmna ɔfasu no mu duru yɛ duru, wuranom dodow no ara dan kɔ somprɛte-gyina LSAW soɛfiri:

• noɔhyew a ɛba, weld nsusuwii ne NDT kwanwɔ SAW mu no seams fata yiye ma thick-fasu, kɛse-diameter paipu;
• API 5L PSL2 ahwehwɛdeɛ ne sɔhwɛ foforɔ(DWTT, CTOD, ne nea ɛkeka ho) yɛ mmerɛw sɛ wobehyia na wɔakyerɛw wɔ mprɛte-gyina tenten nhama so;
• mapiles ne structure tubulars, ɔfasu no mu duru, ovality control ne straightness a wɔaka abom no boa LSAW.

Wɔ Octal adetɔfo fam no, eyi taa kyerɛ sɛ:ERW na ɔkyerɛweewɔ bore nketewa ho, .SSAW na ɛyɛbaabi a nhyɛso a ɛba fam/mfinimfini ne ɛka di so, neLSAW na ɛyɛbaabiara a nkyerɛwde anaa nhyehyɛe no wɔnea efi mu ba kɛse, nhyɛso kɛse anaasɛ ɛhyɛ obi a ɛto so abiɛsa-fo nhwehwɛmu a emu yɛ den ase.

Bere a woahyɛ noLSAW welded dade paipu, ɛnyɛ sɛ woretɔ dade tɔn biara kɛkɛ. Woretɔ tumi a ɛbɛma woatumimatch drawings, twa AUT ne third-party nhwehwɛmu, na ma adansi no yɛ nea wɔahyɛ da ayɛ.
Octal Pipe ankasa kɛse-diameterLSAW owiyammo a ɛwɔ Chinawɔde asi hɔ atwa saa nsɛntitiriw yi ho ahyia pɛpɛɛpɛ, enti ɛyɛ adwuma sɛnea nsu afiri ne fapem adwuma ahorow no kɔ so ankasa no.

Efi Adetɔfo Dadwen so kosi Nea Octal Pipe De Ma So

Nea Egyina Eyi Akyi wɔ Octal Pipe Mill no mu

Octal Pipe LSAW adwumayɛbea no yɛwɔahyira so ama paipu kɛse a ɛyɛ tẽẽ-seam, ɛnyɛ adwumayɛbea ketewa-bore a wɔadi afra. Nneɛma a wɔyɛ no mfɛnsere – mpɛn pii noOD 400–1626 mm, ɔfasuo 8–50+ mm, wɔ API 5L B–X80 mu ne structure grades a ɛne no hyia– wɔasisi no atwa nsɛm a wɔde di dwuma ankasa ho ahyia:trunk ne nhama a wɔboaboa ano, kuropɔn mu gas, nsuo a wɔde fa nsuo mu, jackets, piles ne pipe-rack members a emu yɛ duru. Ɛno kyerɛ sɛ wo specification no taa hwe ase wɔ mill no "sweet spot" mu, sen sɛ wɔbɛhyɛ no ma akɔ nea adwinnade no betumi ayɛ no ano.

Wɔ brand no akyiOctal Pipe a Wɔde Yɛ Nneɛma, line bi wɔ hɔ a wɔasi sɛ ɛbɛyɛ ade koro no ara yiye, mpɛn pii ne mpɛn pii:

• CNC mprɛte ano-milling ne unattended pre-bendingma weld groove a ɛho tew a wotumi san yɛ bio, enti longitudinal seam biara fi ase fi geometry koro no ara so.
• Automatic tack welding ne emu / abɔnten SAW gyinabea ahorowma nkwaa no nkɔ so pɛpɛɛpɛ na ɔhyew a ɛba no nni so, na ɛtew nsaano nsakrae ne weld suban a wontumi nhu so.
• On-line UT of seams plus ne nyinaa-tenten hydrostatic sɔhwɛhwɛ hu sɛ paipu a weld mudi mu kura a wotumi di ho adanse nkutoo na ebefi owiyammo no mu na akɔ wo dwumadi no mu.

Nneɛma pa nhyehyɛe a ɛwɔ eyi akyi no neISO 9001 ne API-style ahwehwɛdeɛ, a ɔman tumi krataa a ɛfa nhyɛso-paipu a wɔyɛ ne nea wɔde kata so, ne nneɛma ho adansedi te sɛAPI 5Lbaabi a wɔhwehwɛ. Wɔ nneyɛe mu no, ɛno kyerɛ sɛ wunyadata nhoma ahorow a wɔahyehyɛ– MTCs, NDT ne hydrotest nsɛm a wɔaboaboa ano, coating logs – wɔ ɔkwan a ɛfata amanaman ntam nsuo afiri ne fapem nnwuma so, sɛ anka amanneɛbɔ a ɛnyɛ den a ɛsɛ sɛ wosan -hyehyɛ wo ho.

Awiei koraa no, ɔkwan a Octal Pipe fa so ne owiyammo no yɛ adwuma neproject-a ɛfa adwuma ho, ɛnyɛ mill-output-a ɛfa ho nko ara. Yɛde LSAW yɛ, coating, third-party inspection ne po so nneɛma bom yɛ nhyehyɛe biako, na yɛka "project kasa" ne "mill kasa" nyinaa. Wɔ wo sɛ adetɔfo fam no, nea efi mu ba ne sɛOctal Pipe LSAW line paipu ne pilesdu hɔ wɔ beae hɔayɛ krado sɛ wɔbɛweld, aka kar na wɔde ahyɛ mu, a wɔde nkrataa ne nhyehyɛe sohwɛ a ɛne nea wo project akuw ne end clients hwɛ kwan ankasa hyia akyi.

LSAW Pipe Supplier a wobɛpaw wɔ China

Sɛ woreyɛ sourcing aLSAW paipu a efi China, asiane ankasa no nyɛ "so wobetumi ayɛ paipu" - ɛyɛ sɛ ebia nea ɔde nneɛma ma no betumi de ascope a wotumi de toto ho, a wotumi bu ho akontaa(forming route + inspection + traceability + export packing) enti wo receiving ne project QA no nkɔfa adanseɛ a ɛyera ho. WɔOctal Pipe a Wɔde Yɛ Nneɛma, yɛyɛ LSAW supply sɛ aadetɔ-a wɔhwɛ so pakete: base pipe to the ordered standard, inspection hold points a ɛne wo ITP hyia, ne shipment identification a wo adekoradan no betumi asiesie no ntɛmntɛm.

• Export packing a ɛne handling reality hyia: Wɔ long-haul/export shipments ho no, kyerɛ awiei ahobammɔ, edge/bevel ahobammɔ, lifting points, ne seaworthy packing sɛnea ɛbɛyɛ a ɔsɛe rensi wɔ mill, port, ne yard ntam.
• China-mpɔtam hɔ nkitahodi mfaso: Sɛ wo bundle pipe + beveling + coating/packing wɔ PO biako ase a, inland moves ne re{3}}handling anammɔn so tew - a ɛtaa yɛ baabi a bevel sɛe, ID efĩ, ne nkrataa mu nsonsonoe ba.
• Weld nhwehwɛmu scope a wɔayɛ no sɛ wɔde toto ho: Kyerɛw UT/RT ahwehwɛde ahorow sɛɔkwan + coverage + gye a wogye tom; anyɛ saa a abien ".China LSAW paipu a wɔde ma" betumi afa grade koro no ara aka a ɛwɔ inspection deliverables soronko koraa.

Nea wo nsa ka bere a wɔakyerɛ wɔ PO/ITP mu: MTC/CMTR (EN 10204 3.1/3.2), NDT amanneɛbɔ (ɔkwan/akata/gye/nea efi mu ba), hydrotest kyerɛwtohɔ (nhyɛso/kura/nea efi mu ba), dimensional amanneɛbɔ, ne packing/marking list a wɔakyekyere wɔ pipe/bundle IDs ho (digital fael a ɛwɔ hɔ bere a wɔabisa).

Mmeae Titiriw a Wɔde Di Dwuma

 

Nhyehyɛe mmoa ne fapem ahorow

 

Wɔ akwantu a ɛho tew akyi no, wɔde Octal LSAW paipu di dwuma kɛse sɛdade a wɔde yɛ ɔdan: po ase ne nea ɛbɛn-mpoanopiles, jacket nan, skirt piles, dolphins, jetty ne quay ɔfasuo a wɔde gyina so, bridge piers ne pipe-rack adum a emu yɛ duru. Mprɛte-gyinaso ɔfasuo mu duru ne tẽẽ a wɔahyɛ so a wɔaka abom no ma ahoɔden a wɔde mia ne benkum a ɛko tia a ɛhia ma karka, grouting ne bere tenten-bere cyclic loading.

Nsu ne mframa a wɔde fa nnipa mu na wɔboaboa ano

 

Octal LSAW paipu na wɔde di dwuma matenten-kwansin ne ɔmantam nsuo afiria ɛde ngo a wɔmfa nhyehyɛ mu, nneɛma a wɔayɛ no yiye, abɔde mu mframa, mframa a ɛyɛ dɛ, nsu a wɔayɛ ne nneɛma pii-nneɛma akuw. Ɔfasu a emu yɛ duru-, akɛse-ntrɛwmu akɛse ma adwumfo tumi bomhigh through-de ne nhyɛso a ɛyɛ den sohwɛ, bere a CVN / DWTT / HIC nhyehyɛe ahorow a wɔakyerɛw ato hɔ no boa ɔsom a ɛyɛ dɛ ne nea ɛyɛ anika nyinaa ho ahwehwɛde ahorow.

Terminals, nneɛma a wɔkora so ne nneɛma a wɔde gu mu ho nhyehyɛe

 

Wɔmmeae a wɔde ngo ne nnuru gu, mmeae a wɔde nsu gu mu ne mmeae a wɔde nneɛma gu, Octal LSAW paipu na wɔde di dwuma mainlet/outlet nhama, manifold headers, loading lines kɔ po so hyɛn gyinabea ne SPM / buoy nkitahodi. Controlled OD, bevel geometry ne coating quality boa ma ɛtew on-site fit-up bere ne coating repairs, enti adansi akuw betumi akyekyere tank, pumps ne loading arms a field nsakrae kakraa bi.

Petrochemical ne mfiridwuma nhyehyɛe ahorow

 

Muadwumayɛbea ahorow a wɔyɛ nneɛma a wɔde yɛ nneɛma foforo, mmeae a wɔyɛ pɛtro, LNG adwumayɛbea ahorow ne mmeae a wɔde nnuru gu mu, wɔde LSAW paipu kɛse-bore ahyɛ soflare ne blowdown nhama, afifide ti, tank farm manifolds, vapor recovery nhama ne utility corridorsbaabi a diameters boro seamless range a wɔtaa yɛ no. Nsɛm a ɛne ne ho hyiaAPI, ASTM ne EN abasobɔde ahorow, ne emu ne akyi a wɔde kata so a wɔpaw no, ma LSAW abusua biako kwan ma wɔde nkrataa ne nhwehwɛmu a ɛkɔ so daa kata nsu a ɛsen a ɛkorɔn, nea ɛkɔ fam-nhyɛso nnwuma so.

 

Hwɛ adwuma no ho nsɛm a ɛfa ho

Klik ha

LSAW Steel Pipe Nsiesiei a wɔtaa yɛ no sɛnea Ɔsom Su te

Wɔ high-consequence pipelines ne fapem ho no, adetɔfo nhia mill kɛkɛ; wohiacontrol, traceability ne fast support bere a biribi ankɔ yiye. Octal Pipe si ne LSAW supply no twa saa pɛpɛɛpɛ ho hyia.

1. "100% control" nyansapɛ – wɔhwɛ anammɔn biara a ɛho hia

Sɛ́ anka yɛbɛsɔ asinasin kakraa bi ahwɛ na yɛafrɛ no sɛ eye no, yɛn LSAW owiyammo no tu mmirika aakron-point 100% control nhyehyɛeefi nneɛma a wɔde yɛ nneɛma so kosi nneɛma a wɔde kyekyere nneɛma so:

Wo fam no, eyi kyerɛ sɛ asinasin biara a owura anaa obi a ɔto so abiɛsa{0}}ɔhwɛfo bɛfa no, ɛwɔ hɔ asɔhwɛ kwan a edi mũ a ɛwɔ n’akyi, sen sɛ ɛbɛyɛ nsonsonoe a ɛwɔ kyerɛwtohɔ ahorow no mu.

2. Digital, automated line ma repeatable weld su

Wɔayɛ yɛn production line no sɛ ɛbɛfa randomness pii sɛnea ɛbɛyɛ yiye biara afi seam welding ne forming mu:

• Digitals koraa, networked production line– key units te sɛ UT, edge milling, forming, welding, expanding ne hydrotest wɔ central monitoring ase, enti wobetumi ahwehwɛ process parameters akyi akɔ ankorankoro pipe biara so.
• Double-submerged-arc welding a ɛwɔ intanɛt so phased-array UT– akyi SAW welding mu ne akyi no, wɔde intanɛt so ultrasonic sɔhwɛ a wɔde spot X-ray nhwehwɛmu hwɛ seam biara ntɛm ara. Wɔkyerɛw weld parameters ne nea efi mu ba no koraa, na ɛma repair rate no sua koraa na ɛma kwan ma first-pass weld acceptance du99.99%.
• Full-length mfiri ntrɛwmu– wɔde mfiri trɛw paipu mu wɔ welding akyi, a ɛma nhyɛso a aka no yɛ pɛ na ɛma kurukuruwa ne tẽẽyɛ tu mpɔn. Eyi ma field bending, girth welding ne pile driving yɛ nea wotumi hyɛ ho nkɔm.
• CNAS-agye atom sɛ wɔde ma wɔ aduruyɛdan mu mmoa– wɔyɛ nhwehwɛmu nhyehyɛe ne nhyehyɛe ho ahwehwɛde nyinaa (CVN, DWTT, HIC / SSC, ne nea ɛkeka ho) wɔ ɔman no-agye atom aduruyɛdan mu, enti wobetumi agye sɔhwɛ ho nsɛm atom wɔ amanaman ntam nnwuma mu a wɔrensɔ nhwɛ bio.

Nea afi mu aba ne sɛ seam suban aOctal Pipe LSAW na ɛyɛ adwumaɛnyɛ asɛm a ɛfa anigye ho:paipu a ne kɛse ne ne grade yɛ pɛ no yɛ wɔn ade bere nyinaawɔ welding, NDT ne ɔsom mu.

3. Ɔsom nhyehyɛe a wɔasisi atwa nnwuma ho ahyia, ɛnyɛ ahyɛde ahorow nkutoo

Nneɛma a wɔde di dwuma wɔ owiyammo mu no di ɔhaw no fã pɛ ho dwuma. Octal Pipe nso yɛ ɔsom nhwɛsoɔ a ɛdi nnwuma ankasa a ɛyɛ dɛ akyi:

• High-end customized dwumadie– yebetumi de LSAW paipu akɔmatwa no sɛnea ɛbɛyɛ a project tenten, pre-bevelled, ahyɛ no agyirae, a wɔasiesie openings anaa sleevessɛnea mfonini ahorow kyerɛ no, enti nneɛma du beae a ɛbɛn "ayɛ krado sɛ wɔbɛwel / ayɛ krado sɛ wɔbɛka" na ɛnyɛ sɛ semi-finished stock a ehia re-adwuma a emu yɛ duru.
• Ɔhaw-mmuae bɔhyɛ a emu da hɔ– sɛ wɔsi product ho asɛm bi so dua pɛ a, yɛde asi yɛn ani so sɛ yɛbɛba wɔ site no mu wɔnnɔnhwerew 48 ma ɔman no mu nnwuma ne nnɔnhwerew 96 mu ma amannɔne nnwuma, anaa hyehyɛ mpɔtam hɔ / third{0}}party ahokafoɔ a wɔgye wɔn di sɛ wɔmmoa. Botae no ne sɛ ɛbɛboa wo ma woahu nea ɛde ba no ntini na woapene ano aduru a mfaso wɔ so so ntɛm, na ɛnyɛ sɛ wobɛsesa email kɛkɛ.
• 24/7 mfiridwuma mu mmoa a kuw bi a wɔn ho akokwaw de ma– adetɔn, mfiridwuma, QA ne logistics adwumayɛfo yɛ adwuma sɛ adwuma kuw biako. WonimAPI 5L, GB/T 9711, ASTM A671 / A672 ne ɔmantam mu ahwehwɛde ahorowwɔ Mfinimfini Apuei, Asia Kesee Fam Apuei, Afrika ne gua afoforo so, na wobetumi de frankaa ahyɛ nsɛm a wuranom anaa adwuma so ahwɛfo taa de wɔn adwene si so ansa na abɛyɛ nsɛmpɔw.

Wɔ EPC ne adetɔ akuw fam no, .Octal Pipe a Wɔde Yɛ Nneɛmaenti ɛnyɛ din a ɛwɔ owiyammo adansedi krataa so kɛkɛ, na mmom ɛyɛ nea ɔde nneɛma ma a ɛka:

• 100% na wɔhwɛɛ LSAW a wɔyɛ so,
• traceable, audit-nwoma a wɔasiesie, ne
• adwuma no mmoa a ɛyɛ mmuaebere a wuhia mmoa wɔ beae hɔ no.

Di nkitaho mprempren

Ɔhaw a Ɛtaa Ba

Q1:Dɛn ne LSAW dade paipu?

A: LSAW dade paipu (Longitudinal Submerged Arc Welded paipu) .yɛ kɛseɛ-diameter welded pipe a wɔde mprɛte ayɛ denam JCOE/UOE forming ne double-sided SAW welding so. Wɔde di dwuma titiriw mahigh-nhyɛso ngo, gas ne nsuo a wɔde fa nsuo mu ne structure piles.

Q2: Dɛn ne LSAW paipu akɛse ne ɔfasu no mu duru a wɔtaa yɛ?

A: Octal nneɛma a wɔde maLSAW paipu a wɔde yɛ adwumawɔ akɛse a wɔtaa yɛ muOD 400–1626 mm na ɛwɔ hɔneɔfasu no mu duru yɛ 6–75 mm, wɔ ne tenten biako mu twa ho hyia6.5–12.6 m, a ɛkata dodow no ara sokɛse-diameter line paipu ne pilingahwehwɛde ahorow.

Q3: Nsonsonoe bɛn na ɛwɔ LSAW paipu ne SSAW / ERW paipu ntam?

A: LSAW paipu a wɔde yɛ adwumawɔ atẽẽ tenten SAW seamwɔde prɛte ayɛ, a ɛfata madiameter kɛseɛ, ɔfasuo a emu yɛ duru ne high-pressure / high-consequence lines. SSAW na ɛyɛwɔ spiral seam na wɔtaa de di dwuma ma low-nhyɛso, ɛka-sensitive lines;ERW na ɔkyerɛweeyɛ nea wɔde ma titiriwnketewa ne akɛse a ɛwɔ ntam.

Q4: Gyinapɛn ne abasobɔde bɛn na Octal API 5L LSAW line pipe di so?

A: OctalAPI 5L LSAW nhama a wɔde yɛ adwumano yɛ nea wɔyɛ maAPI 5L PSL1 / PSL2, GB/T 9711 ne ISO 3183, wɔ abasobɔde ahorow muL245/B kosi L690/X100 so, neEN 10204 3.1 / 3.2 adansedi nkrataa ne NDT / hydrotest kyerɛwtohɔ a edi mũbere a wɔabisa no.

Adansedi nkrataa

 

CE Adansedi Krataa

ISO 9001 Adansedi krataa

API Q1 Adansedi krataa

ABS Adansedi krataa

AP-5L Adansedi krataa

API-5CT Adansedi krataa

 

API SPEC 5L (PSL1 / PSL2) .– Line pipe a wɔde fa ngo, gas ne nsuo kɔ; CVN, HIC/SSC sɛnea adwuma no te.

GB/T 9711-2017 na ɛwɔ hɔ– Petroleum ne abɔdeɛ mu gas nnwuma-Dadeɛ paipu a wɔde fa nsuo afiri mu (L245–L555).

ISO 3183 na ɛwɔ hɔ (sɛ wobisa a) .– Amanaman ntam line-pipe gyinapɛn a ɛne API 5L hyia.

ASTM A671 / ASTM A672 na ɛwɔ hɔ– EFW/SAW paipu ma wim kɔsi nhyɛsoɔ kɛseɛ-nhyɛsoɔ som, ɔhyew a ɛkɔ fam kɔsi soro.

GB/T 3091-2015 na ɛwɔ hɔ– Welded dadeɛ paipu ma low-nhyɛso nsuo som (ma wɔakyerɛ civil/utility dwumadie).

SY/T 5037-2018 na ɛyɛ adwuma– SAW paipu ma nsuo a ɛyɛ mpapahwekwa(ma SSAW akwan foforo bere a wɔakyerɛ).

Ɔman no mu & amanaman ntam gyinapɛn afoforo– s.e., CSA Z245.1, project sour-som ahwehwɛdeɛ (NACE MR0175/ISO 15156 nneɛma a wɔpaw), ne third-party 3.2 nhwehwɛmu betumi ayɛ nhyehyɛeɛ.

Mill sɔhwɛ adansedi nkrataa (EN 10204 3.1 / 3.2) ne NDT kyerɛwtohɔ a edi mũ wɔ hɔ wɔ biribiara a wɔde bɛkɔ no ho.

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