SSAW Tube
Steel Qib: API 5L Qib B, X42, X46, X52, X56, X60, X65, X70, X80, X90, X100
Product Specification Levels: PSL1, PSL2
Qhov ntau ntawm Thickness: 6mm txog 25.4mm (customized muaj)
Ends Hom: Beveled xaus, Plain xaus
Qhov ntev ntawm qhov ntev: 8.0m txog 18.5m (26' txog 62') lossis customized
Kev Tiv Thaiv Caps: Muaj nyob rau hauv cov yas lossis hlau
Nto Zoo: Ntuj, Varnished, Dub painting, 3PE, FBE, thiab lwm yam.
SSAW tubyog ib tug loj - txoj kab uas hla cov yeeb nkab tsim los ntawm steel kauj thiab welded nrog ib tug kauv (helical) seam siv submerged arc vuam.SSAW stands rau Kauv Submerged Arc Welded, thiab lub sij hawm "SSAW pipe meaning" nyob rau hauv kev yuav khoom feem ntau yog hais txog qhov kauv SAW manufacturing txoj kev thiab nws qhov haum rau ntev - kis tau tus mob thiab loj -OD tej yaam num.
Peb cov kav dej SSAW muaj nyob rau hauv cov kab loj loj (φ508mm txog φ1626mm) thiab txawv phab ntsa thicknesses, kom ntseeg tau tias muaj kev cia siab nyob rau hauv ntev - kis tau tus mob. Ua raws li API 5L, ISO, thiab ASTM cov qauv, cov kav dej no tau tsim los tiv thaiv huab cua hnyav thiab ib puag ncig hnyav.
Nrog rau kev cog lus rau kev tsim khoom, Octal Pipe muab tus nqi - cov kev daws teeb meem zoo yam tsis muaj kev cuam tshuam zoo, ua rau peb muaj kev ntseeg siab rau koj cov kev xav tau ntawm cov kav dej.
Product Overview
SSAW Welded Steel Pipe, tseem hu ua Spiral Submerged Arc Welded Pipe, yog tsim los siv siab - steel coils zoo li raw khoom. Cov hlau phaj yog spirally tsim thiab welded siv ib tug tsis siv neeg ob -wire submerged arc vuam txheej txheem. Txoj kev vuam tshwj xeeb no tshem tawm cov kev ntxhov siab thaum lub sij hawm vuam, ua kom siab -welds zoo nrog kev ua haujlwm ruaj khov. SSAW cov kav dej tau siv dav hauv ntau qhov dej xa dej, xws li roj & roj tsheb thauj mus los thiab kev tsim kho vaj tse.
sSAW yeeb nkab Manufacturing txheej txheem
SSAW Vuam (ob -Sided Submerged Arc Vuam)
SSAW vuamfeem ntau sivSubmerged arc vuam (SAW)los tsim kom muaj cov hlua khi nrog kev nkag mus ruaj khov thiab rov ua kom zoo dua qub, thiab ntau cov kab siv ob npaug -sided vuam (ID/OD) ib qhov project specification.
Cov txheej txheem tsim khoom ntawm SSAW steel kav ua raws cov txheej txheem siab tshaj plaws rau kev ua haujlwm siab - zoo thiab ua haujlwm tau zoo. Cov kauj ruam tseem ceeb suav nrog:
- Raw Material Inspection: High-cov hlau coils zoo, xws li Q235, Q345, thiab API 5L qib, raug tshuaj xyuas kom ua raws li cov qauv thoob ntiaj teb (API, ISO, ASTM, thiab lwm yam).
- Kev tsim: Steel coils yog txias- ua rau cov duab kauv kom ntseeg tau tias kev ua haujlwm zoo.
- Vuam: Tsis siv neeg ob npaug -wire submerged arc vuam kom ntseeg tau zoo heev weld nkag thiab sib koom ua ke.
- Kev kho cua sov: Cov kav dej tau txais cov txheej txheem kho cua sov (annealing lossis normalizing) txhawm rau txo kev ntxhov siab thiab txhim kho cov khoom siv kho tshuab.
- Kev Ntsuas & Kev Tshuaj Xyuas: suav nrog kev kuaj xyuas qhov ntev, kuaj pom, kuaj ultrasonic (UT), thiab kuaj hydrostatic kom paub meej cov khoom zoo thiab kev ua haujlwm.
- Kev kho saum npoo: Anti-cov coatings xws li 3PE thiab FBE yog siv los txhim kho cov kav dej hauv qhov chaw hnyav.
Specifications & Technical Details
- Sab nraud txoj kab uas hla (OD): φ508-φ1626 hli (20"–64")
- Phab ntsa Thickness (WT): 6.4-25.4 hli
- Ntev: 8.0–18.5 m(26'-62'); kev cai txiav - mus rau - ntev muaj
- Khoom Qib:
- API 5L:QibA–X90(PSL1 / PSL2)
- GB/T 9711: L190–L625 (e.g., L245, L290, L320, L360, L415, L450, L485)
- Lwm qib raws li kev thov rau qhov project specification
- Txheem Txhawb: API 5L, ISO 3183, GB / T 9711, ASTM, EN, BS, DIN, CSA, DNV (offshore pipeline txuj)
- Kev tsim khoom:Kauv Submerged Arc Welded (SSAW), ob npaug -sided SAW (ID/OD), coil- pub nrog ntug milling, automated seam nrhiav, ntawm - kab NDT, hydrostatic test, beveling, thiab txheej kab kev sib xyaw
- End Finish / Coatings:Plain los yog beveled xaus rau tus qauv; sab nraud3 LPE / FBE / epoxy(internal coatings xaiv los ntawm qhov project); marking thiab export packing
- Kev tshuaj xyuas & cov ntaub ntawv:100% hydrotest; UT / RT ib tus qauv lossis ITP; MTCEN 10204 3.1/3.2thiab tag nrho NDT cov ntaub ntawv muaj
LSAW vs HSAW (SSAW) Pipes: Key Differences
| Yam khoom | LSAW | SSAW (SSAW) |
|---|---|---|
| Weld seam | Longitudinal (ncaj) | Helical / kauv |
| Hom kev tawm tswv yim | Phaj | Coil |
| Zoo tshaj plaws | Siab dua - xav tau siab / cov kab tseem ceeb (spec-tsav) | Loj OD, ntev ntev, tus nqi -cov kab sib kis tau zoo |
| Lub npe | Longitudinal SAW | Helical SAW=SSAW feem ntau siv |
SSAW yeeb nkab ua haujlwm li cas?
Lub peev xwm siab yogtsim-raws li-nws nyob ntawmOD, phab ntsa tuab, qib steel (SMYS / tso cai kev ntxhov siab), tsim qauv, kev tiv thaiv corrosion, thiab kev ua haujlwm kubraws li cov cai / spec. Rau SSAW / HSAW kab yeeb nkab, siab ncaj ncees yog ruaj los ntawm kev tswj covhelical seam: buyers feem ntau qhiapuv -length weld seam NDT (UT/RT per the project ITP)thiab yuav tsum tau kuaj hydrostatic thaum muaj feem xyuam, yog li kev lees txais yog nyob ntawm cov ntaub ntawv seam kev ncaj ncees thiab cov ntaub ntawv pov thawj. Txoj cai siv tau hauv kev yuav khoom yog: yog tias qhov kev pabcuam siab dua - kev pheej hmoo (siab dua, kev pabcuam qaub, lossis tus tswv yuav tsum nruj dua), nruj rau qhov kev txiav txim ntawmQib / WT xaiv thiab seam NDT Scopees tsis yog kev vam khom rau "kev ua haujlwm siab" cov lus thov.
SSAW Welding & Seam Quality Control (Dab tsi buyers Audit)
Ntawm SSAW/HSAW tej yaam num, qhov "pass/fail" tsis tshua muaj hais txog kev thov kom muaj zog ntau dua -nws los rauseam txais kev qhuab qhia. Cov neeg yuav khoom feem ntau kaw rau peb yam khoom tseem ceeb, thiab qhov no yog qhov uas Octal Pipe tso kev tswj hwm thiab pov thawj.
- Seam sib xws (kev sib sau → weld stability):Lub helical seam zoo pib ua ntej vuam. Yog tias kauv txoj kev tsis ruaj khov, koj pom nws tom qabseam wandering, ovality drift, thiab cov hlaws tsis sib xws, uas tom qab ntawd ua rau NDT ntxiv thiab kho kev sib tham. Octal Pipe tswj cov txheej txheem tsim- nce thiab khaws cov vuam tsis nyob hauv lub qhov rais uas tau hais tseg kom cov seam nyob ib puag ncig los ntawm thawj cov yeeb nkab mus rau qhov kawg hauv qhov ntau.
- NDT thaj tsam uas yog kev tshuaj xyuas- pov thawj (tsis yog "peb tau sim"):Dab tsi buyers tiag nug yog:Puas yog lub helical seam soj ntsuam tag nrho ntev? Txoj kev twg, thiab lub hauv paus lees paub dab tsi?Octal Yeeb Nkab alignsUT/RT kev pab them nqithiab txoj cai tswjfwm ( lees txais / rov- xeem / tsis lees paub) rau tus qauv tswj hwm thiab qhov project ITP, thiab muab cov pov thawj tshuaj xyuas raws li ib feem ntawm pob tso tawm -qhov no yog qhov tiv thaiv qhov chaw tuav cov ntsiab lus thiab rov- kev tshuaj xyuas lub voj voog.
- Cov ntaub ntawv traceability uas muaj sia nyob ntawm qhov chaw muaj tiag:Ntau qhov kev tsis lees paub tshwm sim tom qab xa khoom thaum cov kav dej twb tau teeb tsa thiab cov neeg siv khoom tsis tuaj yeem sib haumThaum tshav kub kub/coil → yeeb nkab cim → NDT/hydro qhia → MTC. Octal Yeeb Nkab xa ib pob traceable (EN10204 3.1; 3.2 ntawm kev thov) nrog ntau daim ntawv qhia, yog li QA tuaj yeem tso tawm cov khoom yam tsis tau caum cov kev txuas uas ploj lawm.
LSAW vs HSAW (SSAW): Qhov twg haum rau koj qhov project?
Thaum cov neeg yuav khoom nug covqhov sib txawv ntawm LSAW thiab HSAW kav, lo lus nug tiag tiag tsis yog tsuas yog "phaj vs coil" - nws yog hom seam uas txo cov kev pom zoo, qhov kev pheej hmoo ntawm qhov chaw, thiab lub sijhawm raug cuam tshuam raws li qhov project specification.
Qhov sib txawv tseem ceeb uas cuam tshuam rau kev pom zoo thiab kev ua haujlwm ntawm qhov chaw
| Kev txiav txim Point | LSAW (Longitudinal SAW) | HSAW / SSAW (Helical SAW) | Qhov no hloov li cas hauv cov phiaj xwm tiag |
|---|---|---|---|
| Seam geometry | Ibncaj longitudinal seam | Ibnruam helical seam(kauv) | Kauv seam tsub kom tag nrho seam ntev ntawm ib lub yeeb nkab, yog li cov neeg siv feem ntau tsom rauseam NDT kev pab them nqi thiab seam stability. |
| Tsim txoj kev | Plate forming (piv txwv li, JCOE / xovxwm dabtsi yog khoov) | Coil kauv txoj kev | Coil-raws li kev txhawb nqantev nruam ntau lawm, feem ntau txhim kho kev xa khoom zoo rau cov pob khoom loj OD. |
| Hom OD/WT qhov rais | Feem ntau siv qhov spec nruj ntawm WT thiab kev thuam | Feem ntau siv rauloj OD kis tau tus mobthiab ntev -ntev khoom | Rau tib OD, kev xaiv yog nquag tsav los ntawmspec txais keeb kwmthiab tus tswv nyiam. |
| NDT kev sib tham tsom | Cov neeg yuav khoom feem ntau nug txogpuv -lub cev UT + weld UT/RTraws li spec/ITP | Cov neeg yuav khoom feem ntau hais txoghelical seam UT / RT qhov, calibration, thiab cov cai tswj | Qhov txawv tsis yog "kev sim ntau dua" tab sisqhov kev soj ntsuam kev sib cav tshwm sim(lub cev vs helical seam). |
| Dimensional & haum-tus cwj pwm | Muaj zog ntawm roundness tswj rau tej pob khoom; nyob ntawm txoj kev tsim | Zoo sib xws hauv ntim khiav; kauv lub kaum sab xis / tsim stability teeb meem | Yog hais tias lub chaw ua hauj lwm yog rhiab heev rauovality / ncaj, koj kaw qhov kam rau ua hauv PO tsis hais txoj hauv kev. |
Puas yog SSAW yeeb nkab nqi - zoo?
Rau txoj kab uas hla loj, SSAW feem ntau raug nqi - zoo vim tias coil - raws li kev txhawb nqa kauvnruam ntau lawm thiab ruaj khov throughput, uas feem ntau txhim kho covtus nqi-lub sij hawm sib npaugntawm loj -OD pob. Tus nqi tiag tiag yog feem ntau nyob rau hauvtag nrho cov nqi nruab, tsis yog thov % txuag: thaum khoom xa tuajbatched los ntawm ntau / loj kom haum rau kev ua haujlwm, cov neeg cog lus txo lub sij hawm txheeb xyuas, crane txav, thiab "tso loj" nres.
Hauv kev sib tw feem ntau, SSAW dhau los ua "tus nqi- zoo" thaum nws txo qis tag nrho cov phiaj xwm kev sib txhuam-kev cuam tshuam tsawg dua, kev tso tawm QA zoo dua, thiab tsawg dua qhov chaw rov ua dua- dua li tsis tso siab rau tus nqi qis dua ib leeg.
SSAW Yeeb Nkab hauv Tiag -Lub Ntiaj Teb Chaw Ua Haujlwm Ib puag ncig
SSAW (HSAW) yeeb nkab feem ntau tau teev tseg thaum muaj kev sib tw hauv chaw ua haujlwmtuav, txheej ruaj khov, haum- nrawm, thiab tso cov ntaub ntawv, tsis yog "pib zog." Los ntawmOctal Tube's procurement view, txoj cai SSAW pob yog ib qho uasciaj sia qhov chaw nyob nrog tsawg tuav cov ntsiab lus thiab tsawg dua rework, txhawb nqa los ntawm cov ntaub ntawv pov thawj tshuaj ntsuam xyuas.
- Kev txwv tsis pub nkag (roob txoj kev / nqaim ROW / txwv nqa):
- Qhov teeb meem ntawm chaw ua haujlwm tsis yog vuam nws tus kheej -nws yoglub sijhawm sib dhos: tsis sib xws hauv av thiab luv lifting txav amplify teeb meem xws liovality, straightness drift, thiab inconsistent kawg mob, uas slows haum - nce thiab nce yuam kho. Octal Pipe feem ntau txhawb cov chaw no los ntawm kev kawDimension tswj (OD / ovality / ncaj) thiab kawg prep (PE / BE)pem hauv ntej, thiab shipping nrog cov ntaub ntawv qhia meej meej kom cov neeg ua haujlwm tsis nkim sij hawm txheeb xyuas qhov ntau thiab tsawg ntawm qhov chaw ua haujlwm.
- Cov av ntub dej (dej hla / ntub dej / dej hauv av siab):
- Hauv av nkos tuav thiab txo qis -hauv, qhov mob tshwm simtxheej puas thiab hnub so kho workload, uas tuaj yeem ncua sijhawm rov qab thiab ua rau rov kuaj dua. Octal Pipe tuaj yeem ua raws li qhov kev txiav txim nrog cov txheej txheem txheej txheem (thaum teev tseg) thiab muab cov ntaub ntawv txhawb nqa kev tso tawm - yog li pab pawg ntawm lub xaib tsis tau daig pov thawj lees paub tom qab cov yeeb nkab tau teeb tsa.
- Siab- tso zis kis tau (qhib- kev tsim kho / ntev- thauj khoom thauj):
- Productivity feem ntau poob rautso tawm ceev, tsis ntau lawm ceev- tej yaam num tau tuav los ntawmcov khoom sib xyaw ua ke, cov kev sib txuas tsis tau ploj mus, lossis cov pob tshuaj ntsuam xyuas uas tsis ua daim ntawv qhia kom huv rau cov cim yeeb nkab. Qhov no yog qhov uas Octal Pipe tsom rau kev qhuab qhia kev xa khoom: kev sib cais ntau, kev cim meej, thiab cov ntaub ntawv sib txuasThaum tshav kub kub/coil → yeeb nkab cim → soj ntsuam pov thawj → MTC, txo QA tuav cov ntsiab lus thaum lub sijhawm teeb tsa.
- Lub qhov rais ua haujlwm luv (kev hauv nroog txoj kev hauv nroog / hmo ntuj ua haujlwm / tso cai- haujlwm txwv):
- Thaum cov neeg ua haujlwm tsuas muaj ob peb teev, txhua qhov tsis sib haum xeeb yuav kim:bevel inconsistency, dimensional variation, los yog tsis meej soj ntsuam Scopesai sai hloov mus rau hauv kev sib tsoo / rework thiab nco qhov rais. Cov neeg yuav khoom feem ntau hais kom nruj dua- cov kev xav tau (kev ua siab ntev, qhov kawg ua tiav, lub tswv yim ntev), thiab Octal Pipe tuaj yeem ntim cov khoom raws li cov ntaub ntawv tshuaj xyuas uas pab qhov chaw QA tso tawm yam tsis muaj kev ncua.
sSAW kav dej zoo
| Qhov zoo | Dab tsi Nws daws tau ntawm qhov chaw (Tsawg ua hauj lwm mob mob) | Yuav Ua Li Cas Octal Pipe Xa Nws (Auditable Controls) | Pov thawj Koj tuaj yeem thov |
|---|---|---|---|
| Seam Integrity Koj Tso Tau | Cov phiaj xwm tau qeeb thaum lubhelical seamdhau los ua tus tuav taw tes-NDT ntxiv, tsis lees paub, rov rov xyuas dua. | Ob npaug -sided SAW (ID/OD)muaj thaum tau teev tseg; tswj vuam tsis thiab seam profile tswj kom cov kauv seam ruaj khov ntau ntau-rau- ntau. | Weld seamUT/RT daim ntawv qhia(raws li PO/ITP), seam txais cov qauv, kho/tswj cov ntaub ntawv (yog tias muaj). |
| Nqi Efficiency ntawm Loj OD | Rau cov kab loj loj, cov neeg yuav khoom xav tautus nqi -ib -metertswj tsis tau trading tam sim no kev ntseeg siab. | Coil-raws li kauv txoj kev txhawb nqa kev tsim khoom tas li thiab ruaj khov rau cov pob khoom loj OD; batch dov + shipping npaj kom phim kev tsim ua ntu zus. | Rolling plan / batch shipping lub sij hawm; packing daim ntawv los ntawm qhov loj / ntau; MTO cov npe sib tw. |
| Loj OD/WT Qhov rai + Ntev -Length Supply | Qhov chaw tsim khoom raug kev txom nyem thaum qhov ntev tsis sib xws lossis thaum OD/WT tsis phim cov txheej txheem vuam thiab haum- nce jigs. | Dav OD/WT muaj peev xwm nrog SRL/DRL thiab txiav - mus rau - ntev xaiv; qhov kawg tiav (PE/BE) ua raws li txoj kev vuam thiab khi- hauv txoj kev npaj. | Dimensional soj ntsuam cov ntaub ntawv (OD/WT/ovality/traightness), ntev daim ntawv teev, kawg-prep paub meej. |
| Txheej & Kev Npaj Npaj | Hauv cov yards tiag tiag, cov kav dej tau rub, nqa, thiab ua haujlwm;txheej hnub so thiab kov -uptuaj yeem ua tus nqi zais. | Kev xaiv txheej (FBE / 2LPE / 3LPE / 3LPP) muab rau qhov yuav tsum tau ua; seam- cheeb tsam saum npoo prep tswj thiab kev tiv thaiv kawg rau kev thauj mus los thiab theem. | Cov ntaub ntawv tshuaj xyuas txheej txheej, cov txheej txheem kuaj xyuas hnub so / cov txiaj ntsig (yog tias xav tau), ntim cov duab / kawg- daim ntawv teev npe. |
| Cov Txheej Txheem Zoo Uas txo cov ntsiab lus tuav | Muaj ntau qhov kev tsis lees paub tshwm sim tom qab xa khoom vimcov ntaub ntawv tsis qhia rau cov yeeb nkab cimlos yog kev soj ntsuam tsis meej. | Traceability los ntawmThaum tshav kub kub/coil → yeeb nkab cim → soj ntsuam pov thawj → MTC; TS EN 102043.1txheem,3.2thiab thib peb- tog neeg tim khawv xaiv tau rau EPC/tus neeg ua haujlwm specs. | EN10204 3.1/3.2 MTC, traceability mapping sheet, ITP checkpoints, thib peb-cov ntaub ntawv pov thawj tog (yog muaj). |
| Standards Compatibility rau EPC Specs | EPCs feem ntau xav tau ib tus neeg xa khoom kom phim ntau qhov tshwj xeeb thoob plaws ntau ntau- tus qauv tsis sib haum ua rau rov ua haujlwm thiab xa rov qab. | Kev muab khoom raws li API/ISO/EN/GB qhov yuav tsum tau ua nrog kev txiav txim -los ntawm - txiav txim kom meej meej (kuaj, txheej, xaus, docs). | PO daim ntawv tshuaj xyuas kev ua raws cai; Kev tshuaj ntsuam xyuas; standardized document index rau xa ntawv. |
Vim li cas thiaj xaiv Octal's SSAW Welded Steel Pipe?
- Advanced Manufacturing (Cov cuab yeej-Level Control):Octal Pipe khiav SSAW / HSAW ntau lawm ntawm kev mob siab raukauv txoj kabnrogtandem multi-wire submerged arc vuam (SAW)rau helical seam (ID / OD welding muaj thaum teev). Seam stability yog txhawb los ntawmonline weld-seam UT/RT muaj peev xwm, ua raws liCov khoom siv kuaj hydrostatic, CNC kawg beveling / ntsej muag, thiab tsis siv neeg kos npe - yog li qhov koj tau txais tsis yog cov yeeb nkab xwb, tab sis ib txheej txheem - thim rov qab ntau nrog kev ntsuas ntsuas.
- Tuam Tshoj- Raws li Cov Qauv & Cov Ntaub Ntawv Hauv Zos (EPC-Tus phooj ywg):Raws li Tuam Tshoj -raws li SSAW yeeb nkab xa khoom, Octal Pipe txhawb nqa ob qho kev xa tawm thiab kev tsim kho hauv tsev nrog cov ntaub ntawv hauv cheeb tsam teeb tsa- feem ntau npogGB/T 9711(kab kab) thiabSY/T 5037(spiral welded yeeb nkab rau kev pabcuam kua dej) qhov muaj feem xyuam, ntxiv rau qhov project-cov ntaub ntawv tshuaj xyuas tshwj xeeb. Peb muabMTC/cov ntaub ntawv ob hom lus, clear ntau traceability (kub / coil → yeeb nkab cim), thiab tuaj yeem ua haujlwmthib peb-tog pov thawj(piv txwv li, SGS/BV) thaum xav tau -ua kom xa cov ntaub ntawv sai dua rau EPC tshuaj xyuas thiab ua kom zoo dua rau ntawm - cov ntaub ntawv tso tawm ntawm qhov chaw.
- Seam Quality Release Pack:Lub kauv seam yog txhawb los ntawmWeld seam NDT (UT / RT rau PO / spec)thiab kuaj hydrostatic thaum xav tau, nrog cov ntawv ceeb toom ntim los ntawm ntau kom txo QA tuav cov ntsiab lus tom qab xa khoom.
- Kev xa khoom tsim rau kev khiav haujlwm ua haujlwm:Cov khoom xa tuaj tuaj yeem raug teeb tsa los ntawm qhov loj / ntau thiab kev tsim ua ntu zus, nrog cov cim meej thiab cov npe ntim kom txo tau qhov chaw txheeb lub sij hawm thiab txo qis "tso tseg" nres.
FAQ
Q: Dab tsi yog SSAW yeeb nkab lub ntsiab lus hauv cov yeeb nkab steel khoom?
Q: SSAW vuam yog dab tsi?
Q: Qhov txawv ntawm LSAW thiab HSAW kav yog dab tsi?
Q: Daim ntawv tag nrho ntawm SSAW yeeb nkab yog dab tsi?
Cov ntawv pov thawj
CE Daim Ntawv Pov Thawj
ISO 9001 Daim ntawv pov thawj
API Q1 Daim Ntawv Pov Thawj
ABS Certificate
AP-5L Certificate
API-5CT Certificate
| Parameter | Specification |
|---|---|
| OD Ntau | 406.4-2540 hli (16 "-100") |
| Phab ntsa Thickness | 6.0–25.4 hli (OD-dependent) |
| Ntev | 8–18 m (SRL/DRL), txiav - mus rau - ntev muaj |
| Cov qauv | API 5L (PSL1/PSL2), GB/T 9711, SY/T 5037, ASTM A252 (raws li xav tau) |
| Qib | API 5L Gr.B / X42–X70; GB / T qib ib qho kev txiav txim |
| Xaus | PE / BE (T&C ntawm kev thov) |
| Txheej (yeem) | FBE / 2LPE / 3LPE / 3LPP |
| Kev Tshuaj Xyuas & Kev Xeem | Weld seam UT/RT (ib PO/ITP), hydrostatic test (raws li qhov yuav tsum tau), qhov ntev & kev soj ntsuam pom, EN10204 3.1 (3.2 yeem) |
Cim npe nrov: SSAW yeeb nkab, Tuam Tshoj SSAW yeeb nkab manufacturers, lwm tus neeg, Hoobkas
Tug
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