SSAW Pipe a wɔde yɛ adwuma

SSAW paipu a wɔde yɛ adwumayɛ paipu kɛseɛ-a ne kɛseɛ a wɔde dadeɛ coil ayɛ na wɔde spiral (helical) seam a wɔde submerged arc welding ayɛ welded.SSAW gyina hɔ ma Spiral Submerged Arc Welded, ne asɛmfua ".SSAW paipu asekyerɛ" wɔ adetɔ mu no taa kyerɛ saa spiral SAW adwumayɛ kwan yi ne sɛnea ɛfata ma akyirikyiri-akyirikyiri nkrasɛm ne akɛse-OD nnwuma."
Yɛn SSAW paipu no wɔ hɔ a ɛwɔ ntwemu akɛseɛ (φ508mm kɔsi φ1626mm) ne ɔfasuo a ɛsono ne kɛseɛ, a ɛhwɛ ma wotumi de ho to so wɔ nsuo a ɛkɔ akyirikyiri-kwan tenten mu. Wɔayɛ saa paipu yi sɛnea API 5L, ISO, ne ASTM gyinapɛn ahorow hyia, na wɔayɛ sɛnea ɛbɛyɛ a ebetumi agyina nhyɛso a emu yɛ den ne nneɛma a atwa yɛn ho ahyia a emu yɛ den ano.
Ɛnam sɛ yɛde yɛn ho ahyɛ nneɛma a wɔyɛ no pɛpɛɛpɛ mu nti, Octal Pipe de ano aduru a ɛho ka sua ma a ɛnsɛe ne su, na ɛma yɛyɛ ɔhokafoɔ a wɔgye yɛn di ma wo pipeline ahiadeɛ.

SSAW Welded Steel Pipe, a wɔsan frɛ no Spiral Submerged Arc Welded Pipe, wɔde dadeɛ coils a ɛkorɔn-yɛ sɛ nneɛma a wɔde yɛ adwuma. Wɔde automatic double-wire submerged arc welding kwan na ɛyɛ dade mprɛte no spirally na wɔde weld. Saa welding kwan soronko yi yi tensile stresses fi hɔ wɔ welding nhyehyɛe no mu, hwɛ hu sɛ high-quality welds a ɛyɛ stable adwumayɛ. Wɔde SSAW nsuo afiri di dwuma kɛseɛ wɔ nsuo afiri adwuma ahodoɔ mu, te sɛ ngo & gas akwantuo ne adansiɛ nhyehyɛeɛ.

SSAW Welding (Afã abien-Afã a wɔde hyɛ nsu ase Arc Welding) .
SSAW welding a wɔde yɛ adwumampɛn pii no wɔde di dwumansu ase arc welding (SAW) .sɛ wɔbɛbɔ spiral seam a ɛwɔ penetration a ɛyɛ pintinn ne repeatable joint quality, na lines pii de double-sided welding (ID/OD) di dwuma wɔ project specification biara mu.

SSAW dadeɛ nsuo afiri a wɔyɛ no di akwan a ɛkɔ anim a wɔfa so yɛ no yie-a ɛyɛ papa na ɛyɛ adwuma yie akyi. Anamɔn atitiriw a wɔbɛyɛ no bi ne:

• Nneɛma a Wɔde Yɛ Nneɛma a Wɔde Yɛ Nhwehwɛmu: Wɔhwɛ dadeɛ coils a ɛyɛ papa, te sɛ Q235, Q345, ne API 5L grades, sɛ ɛne amanaman ntam gyinapɛn (API, ISO, ASTM, ne nea ɛkeka ho) hyia anaa.
• Nneɛma a wɔhyehyɛ: Wɔyɛ dade coils a ɛyɛ nwini-yɛ no spiral shapes de hwɛ hu sɛ structure integrity a eye sen biara.
• Welding a wɔde yɛ adwuma: Automatic mmɔho -wire submerged arc welding hwɛ hu sɛ weld penetration a eye kyɛn so ne joint ahoɔden.
• Ɔhyew a Wɔde Yɛ Ayaresa: Nsuo afiri no fa ɔhyew a wɔde yɛ adwuma (annealing anaa normalizing) mu na ama nhyɛso ahorow no afi hɔ na ama mfiri ahorow no atu mpɔn.
• Sɔhwɛ & Nhwehwɛmu: Nea ɛka ho ne dimensional checks, visual inspection, ultrasonic testing (UT), ne hydrostatic testing de hwɛ hu sɛ nneɛma no yɛ papa na ɛyɛ adwuma.
• Ayaresa a Wɔde Yɛ Nneɛma a Ɛwɔ Anim: Wɔde anti-corrosion coatings te sɛ 3PE ne FBE gu so de ma nsuo afiri no tumi kyɛ wɔ mmeaeɛ a ɛyɛ den.

• Akyi Ntrɛwmu (OD): . φ508–φ1626 mm na ɛwɔ hɔ (20"–64")
• Ɔfasu no Kɛse (WT): . 6.4–25.4 mm
• Tenten: 8.0–18.5 m(26’–62’) ne nea ɛwɔ hɔ; custom cut-to-tenten a ɛwɔ hɔ
• Nneɛma a Wɔde Yɛ Adwuma:
• API 5L: 1.1.AbaA–X90(PSL1 / PSL2) .
• GB/T 9711: Ɔde ne nsa kyerɛɛ ne so. L190–L625 (e.g., L245, L290, L320, L360, L415, L450, L485)
• Abasobɔde afoforo a wɔde ma wɔ adwuma no ho nkyerɛkyerɛmu so
• Gyinapɛn ahorow a Wɔboa: API 5L, ISO 3183, GB/T 9711, ASTM, EN, BS, DIN, CSA, DNV (po so nsu afiri gyinapɛn) .
• Nneɛma a wɔyɛ:Spiral Submerged Arc Welded (SSAW), abien-afã SAW (ID / OD), coil-feed ne edge milling, automated seam tracking, on-line NDT, hydrostatic sɔhwɛ, beveling, ne coating line nkabom
• End Finish / Nneɛma a wɔde kata so:Plain anaa beveled awiei wɔ gyinapɛn biara mu; abɔnten3LPE/FBE/epoxy na ɛyɛ adwuma(mfinimfini coatings optional denam adwuma bi so); agyiraehyɛde ne nneɛma a wɔde kɔ amannɔne
• Nhwehwɛmu & Nwoma:100% nsuo mu sɔhwɛ; UT/RT wɔ gyinapɛn anaa ITP biara mu; MTCEN 10204 3.1/3.2ne NDT kyerɛwtohɔ ahorow a edi mũ a ɛwɔ hɔ

LSAW vs HSAW (SSAW) Nsuo afiri: Nsonsonoe titiriw

Ɔkwan bɛn so na SSAW paipu di nhyɛso ho dwuma?

Nhyɛso tumi yɛnhyehyɛɛ-gyina-ɛgyina soOD, ɔfasu no mu duru, dade grade (SMYS/allowable stress), design factor, corrosion allowance, ne adwumayɛ hyewwɔ code/spec a ɛfata no ase. Wɔ SSAW/HSAW line pipe ho no, pressure integrity yɛ ahobammɔ denam controlling thehelical seam a wɔde ahyɛ mu: adetɔfo taa kyerɛfull-length weld seam NDT (UT / RT sɛnea adwuma no ITP) .na ɛhwehwɛ sɛ wɔyɛ hydrostatic sɔhwɛ bere a ɛfata, enti gye a wogye tom no gyina seam integrity a wɔakyerɛw ne sɔhwɛ adanse so. Mmara a mfaso wɔ so wɔ adetɔ mu ne sɛ: sɛ ɔsom no yɛ asiane kɛse- (nhyɛso a ɛkorɔn, ɔsom a ɛyɛ akisikuru, anaa owura ahwehwɛde a emu yɛ den) a, hyɛ ahyɛde no mu dengrade/WT paw ne seam NDT scopemmom sen sɛ wɔde wɔn ho bɛto "nhyɛso adwumayɛ" nsɛm a wɔka no nyinaa so.

Wɔ SSAW/HSAW nnwuma so no, "pass/fail" no ntaa mfa ahoɔden a wɔka sɛ ɛyɛ generic-ɛba fam hoseam gye a wogye tom nteɛso. Adetɔfo taa to nneɛma atitiriw abiɛsa so, na ɛha pɛpɛɛpɛ na Octal Pipe de tumi ne adanse si hɔ.

• Seam consistency (forming → weld a ɛyɛ den):Helical seam su no fi ase ansa na wɔabɔ welding. Sɛ spiral forming no ntumi nnyina a, wuhu no akyiri yi sɛseam wandering, ovality drift, ne bead profile a ɛnyɛ pɛpɛɛpɛ, a afei ɛkanyan NDT ne nsiesie ho nkɔmmɔbɔ afoforo. Octal Pipe di forming set-up no so na ɛkora welding parameters no so wɔ window a wɔakyerɛkyerɛ mu mu ma enti seam no kɔ so yɛ pɛpɛɛpɛ fi pipe a edi kan no so kosi nea etwa to wɔ lot no mu.
• NDT scope a ɛyɛ audit-adanse (ɛnyɛ "yɛyɛɛ sɔhwɛ"):Nea adetɔfo bisa ankasa ne sɛ:So wɔhwɛ helical seam no tenten nyinaa? Ɔkwan bɛn, na dɛn na wogyina so gye tom?Octal Pipe na ɛyɛ pɛpɛɛpɛUT/RT a wɔde tua ho kane disposition mmara (gye/san-sɔ hwɛ/po) kɔ gyinapɛn a ɛdi so ne adwuma no ITP so, na ɛde nhwehwɛmu adanseɛ ma sɛ release pack no fã-eyi ne deɛ ɛsiw site hold points ne re-inspection loops ano.
• Document traceability a ɛtra ase wɔ site nokwasɛm mu:Pow pii si wɔ delivery akyi bere a pipes ayɛ stage dedaw na client no ntumi nsiesieɔhyew/coil → paipu agyiraehyɛde → NDT/hydro amanneɛbɔ → MTC. Octal Pipe de pack a wotumi traceable (EN10204 3.1; 3.2 wɔ abisade so) a lot mapping ka ho ma, enti QA betumi ayi nneɛma adi a enni nkitahodi a ayera akyi.

Bere a adetɔfo bisa sɛnsonsonoe a ɛda LSAW ne HSAW nsu afiri ntam, asɛmmisa ankasa no nyɛ "plate vs coil" - nko ara na ɛyɛ seam type bɛn na ɛtew approvals, field risk, ne schedule exposure ase wɔ project specification ase.

Nsonsonoe atitiriw a ɛka pene a wɔpene so ne site execution

So SSAW paipu ho ka-yɛ nea etu mpɔn?

Wɔ diameters akɛseɛ ho no, SSAW taa yɛ nea ɛho ka yɛ-etu mpɔn ɛfiri sɛ coil-based spiral forming supportskɔ so yɛ ne throughput a ɛyɛ pintinn, a mpɛn pii no ɛma nkɔso no tu mpɔnɛka–bere a wɔde di kan a ɛkari pɛwɔ -OD paket akɛse so. Mpɛn pii no, bo ankasa a ɛsom no wɔɛka a wɔde ahyɛ mu nyinaa, ɛnyɛ % a wɔkyerɛ sɛ wɔakora so: bere a deliveries yɛbatched by lot/size sɛnea ɛbɛyɛ a ɛne adwumayɛbea no bɛyɛ pɛ, adwumayɛfo a wɔyɛ adwuma wɔ hɔ no tew bere a wɔde hyehyɛ nneɛma, krane a wɔde tu, ne "kɛse a ɛyera" a wogyae so.

Wɔ tender dodow no ara mu no, SSAW bɛyɛ "ɛka -ɛyɛ nea etu mpɔn" bere a ɛtew adwuma no mu akasakasa nyinaa so-logistics interruptions kakraa bi, QA a wɔayi no adi yiye, ne site rework kakraa bi-sen sɛ ɛde ne ho bɛto unit bo a ɛba fam nkutoo so.

Wɔtaa kyerɛ SSAW (HSAW) paipu bere a adwumayɛbea nsɛnnennen no fa hodwumadie, coating integrity, fit-up ahoɔhare, ne gyae nkrataa, ɛnyɛ "paipu ahoɔden" kɛkɛ. FiriOctal Pipe a Wɔde Yɛ Nneɛma's procurement view, SSAW package a ɛfata no ne neaɔtra ase wɔ beae tebea horow a nsɛntitiriw kakraa bi a wɔde kura mu na ɛnyɛ adwuma a wɔsan yɛ bio, a wɔde nhwehwɛmu adanse a wotumi bu ho akontaa gyina akyi.

• Wɔabara kwan a wɔfa so kɔ hɔ (mmepɔw so akwan / ROW teateaa / anohyeto a wɔde ma so):
• Adwumayɛbea haw no nyɛ welding ankasa-ɛyɛalignment bere: asase a ɛnyɛ pɛpɛɛpɛ ne tiawa a wɔma so no ma nsɛm te sɛovaality, straightness drift, ne awiei tebea a ɛnkɔ so pɛpɛɛpɛ, a ɛma fit-up brɛoo na ɛma nteɛso a wɔhyɛ no kɔ soro. Octal Pipe taa boa saa mmeae yi denam locking sodimensional controls (OD / ovaality / tẽẽ) ne awiei prep (PE / BE) .anim, ne po so hyɛn a bundle identification a emu da hɔ sɛnea ɛbɛyɛ a adwumayɛfo rensɛe bere nhyehyɛ akɛse wɔ adwumayɛbea hɔ.

• Asase a ɛyɛ nsuo (asubɔnten a ɛtwa / nsuten / asase ase nsuo a ɛkorɔn):
• Wɔ atɛkyɛ a wɔde di dwuma ne nea wɔde si fam-in mu no, ɛyaw a ɛtaa ba necoating asɛe ne nnapɔnna asiesie adwuma, a ebetumi akyɛ backfill na akanyan nhwehwɛmu mpɛn pii. Octal Pipe betumi de ahyɛde no ahyia ne coating package a ɛyɛ adwuma (bere a wɔakyerɛ) na ɛde nkrataa a ɛfoa a wɔayi no adi no ama-enti sait kuw no ntumi nkɔ so nkyerɛ sɛ wɔagye atom bere a wɔde pipe no ayɛ stage dedaw akyi.

• High-output trɛw (bue-afuw adansi / tenten-haul logistics):
• Mpɛn pii no, nneɛma a wɔyɛ no yeraahoɔhare a wɔayi no adi, ɛnyɛ production speed-nnwuma nya kura mubundles a wɔadi afra, traceability links a ɛyera, anaa inspection packs a ɛnyɛ map a ɛho tew kɔ pipe markings so. Eyi ne baabi a Octal Pipe de n’adwene si nneɛma a wɔde mena ho nteɛso so: lot mpaapaemu, agyiraehyɛde a emu da hɔ, ne nkrataa pack a ɛka bomɔhyew/coil → paipu agyiraehyɛde → nhwehwɛmu adanse → MTC, a ɛtew QA hold points so bere a wɔde rehyɛ mu.

• Adwumayɛ mfɛnsere ntiantiaa (nkurow akɛse mu akwan / anadwo nsakrae / tumi krataa-adwuma a anohyeto wom):
• Sɛ adwumayɛfo wɔ nnɔnhwerew kakraa bi pɛ a, biribiara a ɛne ne ho nhyia no bo yɛ den:bevel a ɛnhyia, dimensional variation, anaasɛ inspection scope a emu nna hɔntɛmntɛm dan grinding/rework ne missed windows. Adetɔfoɔ taa kyerɛ tighter fit-up ahiadeɛ (tolerances, end finish, length strategy), na Octal Pipe betumi de nneɛma no ahyɛ mu sɛdeɛ ɛfata ne nhwehwɛmu kyerɛwtohɔ a ɛboa ma site QA ma wɔayi no adi a ɛnkyɛ.

• Nneɛma a Wɔyɛ a Ɛkɔ Anim (Nnwinnade-Level Control):Octal Pipe yɛ SSAW / HSAW adwumayɛ wɔ ahofama sospiral a ɛyɛ nhamanetandem multi-haya a wɔde ahyɛ nsu ase arc welding (SAW) .ma helical seam (ID/OD welding a ɛwɔ hɔ bere a wɔakyerɛ). Seam stability yɛ nea wɔboa denamintanɛt so weld-seam UT/RT tumi, a ɛno akyi nomfiri a wɔde sɔ nsu mu nneɛma hwɛ, CNC awiei beveling / anim, ne automatic marking-enti nea wo nsa ka no nyɛ pipe kɛkɛ, na mmom process{1}}backed lot a ɛwɔ controls a wotumi susuw.
• China-Gyinapɛn & Mpɔtam Hɔ Nwoma (EPC-adamfofa):Sɛ́ China-gyina SSAW paipu a wɔde ma no, Octal Pipe boa nneɛma a wɔde kɔ amannɔne ne ɔman no mu adwuma ahwehwɛde nyinaa a ɛwɔ mpɔtam hɔ nkrataa a wɔahyehyɛ-a wɔtaa kata soGB/T 9711 na ɛwɔ hɔ(line pipe) neSY/T 5037 na ɛwɔ hɔ(spiral welded pipe for fluid service) baabi a ɛfata, ne project-akyerɛ nhwehwɛmu kyerɛwtohɔ ahorow. Yɛde makasa abien MTC/nwoma packs, pefee lot traceability (ɔhyew/coil → paipu agyiraehyɛde), na ebetumi ayɛ biakonea ɛto so abiɛsa-dansedi(sɛ nhwɛso no, SGS/BV) bere a ɛho hia-a ɛbɛma nsɛm a wɔde bɛmena no ayɛ ntɛmntɛm ama EPC nhwehwɛmu na ayɛ mmerɛw ama on-site nneɛma a wɔayi no adi.
• Seam Quality Release Pack: Ɔde ne nsa kyerɛɛ ne so.Wɔde spiral seam no gyina akyiweld seam NDT (UT / RT biara PO / spec) .ne hydrostatic sɔhwɛ bere a ɛho hia, a amanneɛbɔ ahorow a wɔde ntonto ahyɛ mu de atew QA hold points so wɔ delivery akyi.
• Delivery a Wɔasisi ama Adwumayɛbea Nsuo:Wobetumi ahyehyɛ batch shipments sɛnea kɛse/lot ne adansi nnidiso nnidiso, a agyiraehyɛde a emu da hɔ ne packing lists atew site sorting bere so na ɛtew "missing piece" stoppages.

Di nkitaho mprempren

FAQ

 

Q: Dɛn ne SSAW paipu kyerɛ wɔ dade paipu atɔ mu?

A:Ɛkyerɛ sɛ acoil-gyina, spiral-seam SAW dade paipuwɔtaa paw maOD nkrasɛm akɛsebaabi a nneɛma a wɔde ma no yiye ne nsusuwii a ɛkɔ so daa ho hia.

Asɛmmisa: Dɛn ne SSAW welding?

A:SSAW welding yɛnsu ase arc welding wɔ helical seam so, a wɔtaa de di dwumamu/akyi welding bere a wɔakyerɛsɛnea ɛbɛyɛ a wobedi adwuma no mu nhwehwɛmu ne adwumayɛ ho ahwehwɛde ahorow ho dwuma.

Asɛmmisa: Nsonsonoe bɛn na ɛwɔ LSAW ne HSAW nsu afiri ntam?

A: LSAW na ɛyɛde di dwuma atẽẽ seam fi prɛte so, berɛ aHSAW (wɔtaa yɛ SSAW) .de di dwuma ahelical seam a efi coil mu; mpɛn pii no, nea ɛma wɔpaw nea wɔpaw noOD range, project spec gye, ne nhwehwɛmu scope wɔ seam no so.

Asɛmmisa: Dɛn ne SSAW paipu no nyinaa?

A:SSAW gyina hɔ maSpiral Submerged Arc a Wɔde Weld ayɛpipe, a ɛkyerɛ helical seam a wɔdensu ase arc welding (SAW) ..

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Tags a ɛyɛ hyew .: SSAW Pipe, China SSAW Pipe ayɛfo, wɔn a wɔde ma, adwumayɛbea