Tubing
Saray grado: H40, J55, K55, N80-1/N80Q, L80, C90, T95, P110, Q125, CRA (13Cr / Duplex / Super Duplex)
OD Range: 1.900" – 41⁄2"
Kapal na Padir: kada API 5CT mass tables; espisyal iran padir no kerewen
Saray karukey: R1 (6.1-7.3 m), R2 (8.5-9.75 m), R3 (11.6-13.7 m)
Koneksion: NU (Non-Upset), EUE (External Upset End), Premium (Flush / Semi-Flush / Integral)
Drift: API drift o Special Drift parad masimpit a -clearance completions
Aplikasyon: Onshore/offshore wells, sour service, HPHT wells, shale multistage frac, CO2/acidic environments
Panangipatnag na Produkto
Tubingyaanggapoy tahi ya asero ya tuboinusar bilang threaded-tan-coupled string ya inyan ed loob na casing pian nawalaan na kontroladon dalan na agos ya mangaawit na langis, gas, tan saray napapawala ya pluido manlapud downhole ya anggad tapew.
Maslak ya sakit na ulo ed tubo et onggapo ed saray gap na sakop:klase na koneksyon (NUE/EUE odino gas-tight premium),saray kakaukolanen ed iyalis ya ag-aka-align ed saray kagawaan ed panagsumpal, odino saray papeles ya agmakasara ed onsasabin inspeksion. KanianOctal Pipeipapasen toy suplay na tubo bilangasumpal-akaparaan lan iter: malinew ya pakabidbiran na koneksion, protektado iran thread parad logistics handling, tan sakey ya acceptance-focused document pack (MTC/traceability, tan thread gauging tan drift/hydro/NDT reports no akasulat ed PO/ITP yo).
Imbes ya ibaga tayo labat so kabaleg tan presyo, nengnengen tayo ray detalye ya kaslakan ya pansengegan na problema ed saginonor –collapse tan burst ratings, sour-limit na serbisyo, klase na coupling, opsyon ed internal coating tan mipara ya OCTGcasingtan saray grado na tubo. Say resulta et sakey a production tubing package ya onkana ed desinyo yo, akapasa ed third-party inspection tan onsabi ed lokasyon ya akaparaan lan ondalan, aliwan nanlaok a bunton na saray kasukasuan ya kaukolan ya i-sort crew na rig yo diad catwalk.
- Saray estandarten grado: H40, J55, K55, N80 (N80-1, N80Q), L80, C90, T95, P110, Q125
- Saray materyales na CRA:13Cr, Super 13Cr, Duplex 22Cr, Super Duplex 25Cr, Nickel alloys
- Panagtambal ed petang:Normalizing, Quench & Temper, solution treatment parad CRA, hardness control parad sour service
OCTG Casing tan Tubing – Panon ya Onkakasakey so Tubing ed String
Diad sakey a bobon ya manpapawala,casinginsantuboagmo gagawaen so parehon trabaho. Say casing et wadtan pian naala so abut tan naisian iray pormasyon.Say OCTG tubing – say production tubing – et say parte na lubir ya talagan mangaawit na larak, gas odino injection fluids mo. No say casing et "padir" mo, say tubo et "pipeline" mo ed loob na satan a padir.
Sakey a tipikalOCTG casing tan tubingsay desinyo et nayarin mangusar na pigaran casing strings (surface, intermediate, production casing) insan sakey odino masulok nin tubing strings ed loob. Say tubo et kaukolan ya eksakton mipara ed casing ID, packers, safety valves tan wellhead outlets:
• Say OD tan drift et nepeg ya onlampas ed sankamelagan ya restriction ed casing o liner.
• Say klase na koneksyon (NU, EUE o premium) et nepeg ya mipara ed saray crossover, packers tan wellhead.
• Say grado tan belat et nepeg ya mangiter na magenap ya kapasidad na collapse, burst tan tension parad implanon produksyon tan workover loads.
Diad saya et makaarum na balor so Octal Pipe. Imbes ya ibaga tayo labat so "31⁄2" J55 tubing", nengnengen tayo sointeron OCTG casing tan tubing programombabatik ka ed satan a uma. I-check mi no say tubing OD / drift et duga ed production casing yo, no saray grado et mipara ed saray collapse tan burst envelope yo, tan no saray klase na koneksyon et parepareho manlapud tubo na tubo anggad saray accessories a singa say pup joints, crossover tan nipples.

Kabaleg tan Sukat
- OD:1.900" – 41⁄2" (arum nin diametro no kerewen)
- Timbang / Kapal na Padir:kada API 5CT tables; saray ambelat a padir et naala no mankaukolan
- Karukey: R1, R2, R3
- Drift:API drift o Special Drift (tight-clearance wells)
- Sampot:NU (Non-Upset), EUE (External Upset End), Premium flush/semi-flush
API 5CT OCTG Tubing Data Sheet
Usaren iyan OCTG tubing chart bilang reperensya ed panagsaliw; saray unor a kabaleg, belat tan saray kakaukolanen ed panag-anod so akumpirma ed PO.

Espisyal iran nota ed saray limitasyon na komposisyon na kemikal
- ParadGrado L80, say sankatageyan ya naabuloyan ya carbon content et nayarin ondarakel na anggad 0.50% no say produkto et na-oil-quenched.
- ParadGrade C90 Type 1, say pankaukolan parad molybdenum et anggapoy minimum ya balor to no say kapal na dingding et abeba nen 17.78 mm.
- ParadGrado R95, say carbon content et nayarin onlaknab ya anggad 0.55% ya sankatageyan no usaren so oil quenching.
- ParadGrade T95 Type 1, say molybdenum minimum et nayarin nabawasan ed 0.15% no say kapal na dingding et abeba nen 17.78 mm.
- ParadElectric-Welded Grade P110, say karga na phosphorus et nepeg ya ag onlampas ed0.020%, tan say asupre et ag nepeg ya onlampas ed 0.010%.
Nota:Say "NL" (Anggapoy Limitasyon) et mangipapanengneng ya say elemento et nireport balet aliwan limitado. Amin ya akalista iran elemento et nepeg ya ilaktip ed report na panagsukimat na produkto.
OCTG Tubing chart(sukat tan belat)

Saray kabaleg na OCTG tubing et kaslakan ya inurnos base ed OD, kapal na padir (odino belat), karukey (R1/R2/R3), tan klase na koneksyon (NUE/EUE o premium).
OCTG Tubing Specifications (PO Key Items)
| PO item | Antoy nepeg ya ibaga | Akin ya importante itan |
|---|---|---|
| Standard + grade | API 5CT + grade (alimbawa, J55/N80/L80/P110) | Say katutulok tan biskeg na saray kandado |
| Kabaleg + karukey | OD + kapal/belat na padir + R1/R2/R3 | Naprebentaan so agpantatalosan na kabaleg tan saray isyu ed logistics |
| Koneksyon | NUE/EUE o premium (klase/ngaran) | Saray drive et manggagawa na-up tan leak-mangokontrol ed performance |
| Pankaukolan na panag-anod | API drift odino special drift basis (no nibaga) | Inkaparaan ed pakasumpal; napaliisan iray panameget |
| QA / dokumento | MTC/CMTR (3.1/3.2 no nibaga) + nakaukolan iran report na test kada ITP | Mas maples ya pangawat tan pangawat na QA na proyekto |
Threads tan Premium Connections
Parad saray tubo, say koneksyon so mabetbet a mandedesisyon no kasin say bobon et mainomay ya paandaren tan mansiansian malet so gas-, odino say pirmin lapuan na saray leak tan rig-time loss. Diad leksab et walay malinew ya litrato na no antoy nayarin iter mi tan no iner so kabaliksan na kada opsyon.
Saray Klase na Koneksion tan Kaslakan ya Uusaren
| Klase na koneksyon | Saray manunan kabiangan | Kaslakan ya uusaren / rekomendasyon |
|---|---|---|
| API NU (Non-Upset) | Slim OD, anggapoy external upset; mandedepende ed pakaabalaan na sinulid + compound seal | Saray limitadon borehole, slim completions, saray situasyon ya importante so clearance |
| API EUE (External Upset) | Upset OD, mas atagey so biskeg na kasukasuan tan kapasidad na pressure nen say NU | Saray kaslakan ya oil well, moderate-pressure gas, general production tubing |
| Premium metal-to-metal | Metal-yad-metal seal + torque shoulder, atagey a compression & bending capacity, atagey a gas-tightness | Dry gas tan high-pressure gas wells, HPHT, CO2 injection tan storage, critical wells |
| Atagey-torque premium | Pinaaligwas so torque tan bending capacity, mabiskeg ya abaga tan seal | Saray pabitay ya shale wells, multistage fracturing, andukey iran lateral strings |
| Flush / semi-flush | Ngalngali-flush OD odino abawasan so upset parad malet iran panameget | Slim-hole completions, liner tiebacks, wells with tight ID clearances |
Panaggawa na Thread tan Inspeksyon ed Octal Pipe
| Aspeto | Antoy gagawaen na Octal Pipe | Antoy kabaliksan to ed sika |
|---|---|---|
| Estandarte na sinulid tan sukat | Putoten iray thread ed API 5B tan premium iran drowing; 100% gauging (L1, taper, lead, profile, stand-off) | Naisip ya make-up ed rig; mas daiset so re-cuts tan back-offs |
| Say panagtambal ed tapew | Saray phosphated threads so estandarte; tin / nickel plating odino dope-less coating no iner so nibaga | Mas maong ya galling resistance tan mas malet ya torque behavior |
| Make-up control | Torque-turn make-up monitoring parad shoulder-type premium connections | Malinew ya kumpirmasyon ya say metal-ed-metal seal tan abaga et suston akapeket |
| NDT tan visual inspection | 100% ya pakanengnengan ed saray sinulid tan saray tapew na panagselyo; NDT ed saray kritikal ya lugar no nakaukolan | Mas abeba so posibilidad na leak paths lapud depekto ed panag-asikaso odino depekto ed panag-machine |
| Kwalipikasyon ed koneksyon | Saray premium ya klase ya kualipikado ed ISO 13679 CAL II-IV odino mipara iran test programs (no kerewen) | Mas mainomay ya teknikal ya panangabobon parad gas-tight, HPHT tan sour-service strings |
Suporta ed Panpili tan Inhenyeriya
Imbes ya itepet mi labat ya "NU o EUE?", nengnengen mi sodesinyo na bobon tan plano na pakasumpal:
- Casing ID tan sankamelagan iran panameget
- Pressure / temperature envelope tan gas-tight requirements
- Say inkagrabe na sali na aso, karukey na gilig tan programa na panagbali
- H2S / CO2 tan antokaman ya limitasyon ed serbisyo
Base ed satan, ontulong so Octal Pipe pian makapanpili ka ed baetan naAPI 8RD tubing threads tan nanduruman premium ya pamilya na koneksyon, tan makapangiter namanggawa na torque ranges, rekomendasyon ed pambabatik tan datos na test na koneksyonkaiba so order na tubo yo. Kanian ag ka labat makala na sakey a kahon na saray kasukasuan – makala kay setup na koneksyon ya mipara ed no panon ya talagan na-drill, nasumpal tan nagawa so bobon mo.
Panaggawa tan Panag-init
- Rota ya anggapoy gulo:Billet → piercing → elongation → rolling → Q&T → straightening → NDT → finishing
- Threading & coupling make-up:100% ya panagsukat, phosphate threads, saray protektor ya inyaplika
- Rota na welded (no nibaga):strip forming → HF/SAW welding → PWHT → inspection
Saray Coating, Proteksion tan Kagawaan
Panlabas:
Say barnis odino black lacquer so mangiiter na manunan proteksion ed panag-imbantak, bangbaletFBEtan 3LPE coatingsmangiyoopresi na andukey a panaon ya resistensya ed panag-apag parad saray kaliberliber ya akaponpon odino atagey so danum. Say pampili na dugan external coating et ontulong pian nabawasan so kalat, napalaknab so bilay na tubo tan napagaan so pakanengneng ed sular tan diad rig.
Akindalem:
Akindalemepoxy, phenolic tan glass-flake liningsmakapaaligwas ed inkaepektibo na agos, mamawas ed panlalaban tan protektaan sumpad CO2, danum tan pigaran kemikal a kabiangan na saray napapawala a pluido. Parad serbisyo ya makaderal odino no iner et nakaukolan so malinis ya loob na tapew parad panagtroso tan saray interbensyon, say internal coating et makabawas na maong ed panag-apag tan panag-apag.
Proteksion ed sinulid:
Saray plastik odino bakal ya proteksion na thread, phosphate finish tan kontroladon thread dope ya aplikasyon so manproprotekta ed koneksyon legan na panagbiahe, panagsimpen tan panag-asikaso. Say maong ya proteksion na thread et mankabaliksan na daiset ya aderal ya kasukasuan ed rig tan mas daiset so panaon ya nausar ed panagputot o panag-apiger na tubo.
Pambalot:
Saray tubo et nayarin iter edakabugkos odino malukak a porma, ya walay lifting bails, thread guards tan malinew ya tally / marking. Say suston panagbalot so manggawa ed panag-asikaso ed sular tan panag-opera ed datal a mas maligen tan maples, tan mamawas ed peligro na panlalaok na kabaleg odino grado.

Saray Kablian na Inhenyeriya tan Panpili
- Resisti ed onsabog tan ontumba
Parad karaklan ya managsaliw, say unonan tepet et simpli:"Makapansiansia kasi iyan lubir ed saray pressure windows ed file na bobon ko?"
Mankuenta so Octal Pipeburst tan collapse ratings ed API 5C3insan to nengnengen iratan sumpad saray safety factors tan design envelope mo. No say koneksyon so magmaliw ya limitasyon, nayarian tayon onalis manlapud estandarten API threads ya anggadmas atagey-efficiency odino premium ya koneksyon, kanian say kasukasuan et aliwan say makapuy a singsing ed lubir na tubo.
- Tensyon tan biskeg na kasukasuan
Say kapasidad na tubo et lanang ya manlalaokbiskeg na laman + inkaepektibo na koneksion + suston panagpaalagey. Nengnengen mi sopangiletneg na kaaralem, iyaamot na bobon tan iilaloan iran karga na workover, insan balansien so body yield, biskeg na kasukasuan tan manggawa na torque pian say lubir et maligen ya mangawit ed dilin belat to tan antokaman ya ekstran puersa na panag-guyor odino panag-snub. Say gagala et simpli: anggapoy nabigla ed kapasidad na panag-awit no ibitay mo so lubir ed ulo na bobon odino guguyoren mo ed masimpit iran doglegs.
- Say pampili na materyales parad peteg iran kondisyon na bobon
Imbes ya itulak so sakey ya "universal" ya grado, ipasen tayogrado na tuboed mismon kaliberliber ed bobon mo:
- J55 / K55 / N80parad saray kombensional ya sweet oil tan gas wells.
- L80 / T95parad serbisyo na H2S tan saray kakaukolanen ed kontroladon inka-malet.
- P110 / Q125parad HPHT odino deep deviated wells.
- 13Cr tan duplexno iner say CO2, chlorides tan temperatura so manggagawa ed corrosion ya manunan peligro.
Ipawit mo ed sikami so manunan datos na bobon –presyon, temperatura, H2S / CO2 / chloride levels tan say planon operating envelope– tan say Octal Pipe et mangirerekomenda na tubing grade tan kombinasyon na koneksyon ya ontutumbok ed desinyo, akapasa ed API 5CT / 5C3 checks tan praktikal ya usaren ed completion hardware mo.

Akin ya pilien so Octal Pipe parad Tubing
No mankikimey kami ed tubo, ipapasen mi itan bilangwell-level project item, aliwan "31⁄2" N80 labat ya nanlapud stock". Amin ya gagawaen mi et akagawa ed paraan pian mas mainomay ya idesinyo, aprubaan tan i-run so string mo.
| No antoy kaukolan mo ed tubo | Antoy talagan gagawaen na Octal Pipe |
|---|---|
| Sakey a lubir ya talagan duga ed sika, aliwan say katalogo labat | Mankimey manlapudtubing tally / well program– casing ID, setting depths, H2S / CO2, packers tan SSSV – insan piliengrado, OD, drift tan koneksyonkanian say string et mamaandi ed amin ya restriksion tan makasumpal ed API 5C3 burst / collapse envelopes. |
| Mas daiset so drama ed datal na rig | KontrolOD, drift, kalidad na thread tan make-up torque rangekanian saray kasukasuan et ondadalan ya maong ed saray slip tan ram, ya mas daiset so partial make-ups, back-offs tan leak checks. Angiter kami na saray lubir parad gas wells, horizontals tan workovers ya ditan et espisipikon ibabaga na saray report na rig ya "saray tubo et malinis". |
| Tubing, pups tan accessories ya talagan mipara | Suplaytubing joints, pup joints, couplings tan crossoversdiad parehon grado, belat tan sinulid, ya walay tuloytuloy ya iyaagus tan OD. Diad ontan, agmo nadiskobre ed wellsite ya saray pups o x-overs so makapuy ya link odino ag ira makapasa na kagawaan. |
| Maples ya panangabobon ed saray operator tan third party | Iparaan iray file na tubo ya walayAPI 5CT / 5B certs, EN 10204 3.1 / 3.2, NDT / hydro / SSC reports tan drift recordsmalinew ya akakonekta ed joint tan heat numbers, kanian saray IOC / NOC tan TPI et nayarin manpirma ya ag la kaukolan ya isulat so dokumentasyon yo. |
| Saray pangiter ya mipara ed bilang mo, aliwan saray random ya bundle | Manggawa tan man-impake na saray lubireksakto ed bilang tan karukey na karukey mo(R1 / R2 / R3), markaan na malinew iray kasukasuan, protektaan a maong iray sinulid tan usaren iray rota ya adalan tayo la ed saray manunan rehyon na oilfield, pian say tubo et onsabi ya akaparaan lan iletneg tan i-run, aliwan singa sakey a mixed pile ya kaukolan mon i-re-sort. |

Saray Aplikasyon – Panon ya Mankikimey so OCTG Tubing ed Loob na Bobon
Production tubing ed loob na casing
Say OCTG tubing et onkukurangdiad loob na kahon na produksyonbilang manunan dalan na agos manlapud reservoir ya anggad gapoan na bobon. Protektaan toy casing manlapud direktan pakapitongtong ed saray napapawala ya pluido, kontrolado toy agos tan sarag mon iguygoy tan isalet so lubir ya agmo nadiwit so casing. Maslak ed saray estandarten prodyuser na langis tan gas et manguusar ed sayan "casing + production tubing" ya konpigurasyon.
Injection tan gas-lift strings
Diad water-injection, gas-lift tan CO2 / disposal wells, say tubo et uusaren bilangdedikado ya lubir na panag-ineksion ed loob na casing. Ipapasabi to ray injection fluids ed target depth legan ya ibibiig iratan ed annulus, tan mangiiter na kabkabat ya ID parad saray balbula, mandrel tan gas-lift ya kagawaan. Say pampili na dugan grado tan drift na OCTG tubing et ontulong pian napaliisan iray panameget ed panag-ineksion tan saray masakbay ya pakaandi.
Workover, test tan temporaryon serbisyo
Legan na panag-testing o panag-workover, saray operator et mabetbet ya manpapaandar natemporaryon lubir na tubodiad loob na wala lan casing pian onagus so bobon, mangiletneg na kagawaan odino linisan so abut. Parad sayan papel, kaukolan na saray managsaliw so OCTG tubing ya nayarin gawaen tan ekalen na aminpigapiga, napanmatalkan so pressure tan mainomay ya alaen bilangpanag-abang o serbisyoya ag naderal so casing.
Proteksion ya lubir parad sensitibon casing tan liner
Diad arum ya komplesyon, lalo la ed saray slim odino mabmablin liner/casing program, say tubing et onkikiwas bilanglubir ya proteksion na bagat: naala to so pakaupot na saray kagawaan, timbangan, buer tan kemikal a panagtambal, kanian say casing et ag-onkupas. No aderal odino abulok so loob na tapew, iguygoy tan isalet mo so tubo imbes ya apigeren odino ibaliwala so bobon.
Tie-back tan completion extensions
Say OCTG tubing et uusaren met pianitali so abeban komplesyon o liner ed tapew. Diad aralem o dalem na dayat iran bobon, walay tie-back tubing string ya mangikokonekta ed abeban seksion na completion ed wellhead, ya mangiiter na tuloytuloy ya dalan na produksyon tan ekstran babeng. Dia, say kombinasyon na tubing OD, klase na koneksyon tan biskeg na joint et nepeg ya mipara ed walan casing ID tan say completion hardware.

Nota nipaakar ed Desinyo na Tubo – Antoy Talagan Papagaan na Maslak ya Inhinyero
Say pangitunos na grado na tubo ed chemistry na tuan bobon:Diad papel, say API 5CT et mangiiter ed sika na andukey a listaan na grado; diad praktis, say pilien et kaslakan ya onsabi edmasamit vs maasim vs CO2-dominatedserbisyo. Parad saray managgaway sweet, saray inhenyero et mansiansia edJ55, K55 o N80; no ompaway so H2S odino mas istrikton limitasyon na inka-malet, onalis ira edL80 o T95, tan parad HPHT odino aralem iran pabitay edP110 / Q125. No atagey so CO2 tan chlorides, nanengneng tayo so pananguman ya mamaarap ed13Cr o duplex production tubing, lapud say andukey a panaon na corrosion rate et mas importante nen say inmunan gastos ed asero. Basaen nin unona na Octal Pipe so pressure, temperatura tan H2S / CO2 ya data yo, insan to irekomenda so tubing grade ya onkana ed API 5CT tan ed saray iisipen yon corrosion.
Say kabaleg, dingding tan say inanap to – talaga kasin mangala na tubo ed pakasumpal mo?
Maslak ed saray problema ed uma etAPI 5CT tubingaliwan nipaakar ed biskeg na panag-ani, noagta nipaakar edID tan drift: ag onlabas iray packer, onbitay iray safety valve, odino onpeket iray coiled-tubing tools. Kanian ta trataron miOD / belat tan diametro na driftbilang kabiangan na desinyo na pakasumpal, aliwan saray numero labat na katalogo. No mangipawit kay tally o tubing section manlapud well file, nengnengen mi no kasin say pinilisay kabaleg na tubo, belat tan inka-anodipares so sankamelagan ya panameget mo, say tool OD mo tan say casing ID – tan saycollapse / burst window manlapud API 5C3mankikimey nin siansia ed satan a pinili.
Say pilien ya koneksyon parad gas-tight tan HPHT service:Say data na panag-anap – tan say inbox mi – so mangipapanengneng ya saray inhinyero et lalon manpopokus edkoneksion na tubo, lalo la ed saray bobon na gas tan shale. Saray estandarten API NU / EUE threads et kaslakan ni ed saray managgaway langis tan saray moderate pressures, balet paraddry gas, high-pressure gas tan HPHT horizontals, saray operator et mabetbet ya onalis edatagey-epektibo odino premium ya koneksyon na tubopian nabawasan so peligro na panag-leak tan pakaderal na saray kasukasuan legan na panagbisikleta. Say Octal Pipe et makapanggawa na tubing string balanglan diadAPI connectionsparad saray kombensional a bobon, odino kaiba sogas-tight / metal-ed-metal premium connectionsno iner so pankaukolan na programa yo pian nasumpal o nababali.
Maples ya Snapshot na Espesipikasyon
| Bengatla | Saray detalye |
|---|---|
| Estandarte | API 5CT / ISO 11960 |
| OD Range | 1.900" – 4½" |
| Saray karukey | R1, R2, R3 |
| Saray grado | H40, J55, K55, N80, L80, C90, T95, P110, Q125, CRA 13Cr / Duplex |
| Saray koneksion | NU, EUE, Premium |
| Saray Subok | Hydrostatic, full-length drift, UT / EMI, tensile, hardness, SSC (unong ed nakaukolan) |
Listaan na Pan-order
| Antoy nepeg ya ibaga | Deskripsion / Notes |
|---|---|
| OD & Belat / Padir | API 5CT sukat tan belat / kapal na padir serye |
| Grado tan PSL level | Grado na tubo (alimbawa, J55, N80, L80, P110, tan arum ni) tan nakaukolan ya PSL / lebel na kalidad |
| Say karukey | R1, R2 o R3 |
| Klase na koneksyon | NU, EUE o premium ya koneksyon; ibaga so klase na drift no onaplika |
| Espisyal iran kakaukolanen | Sour service, internal / external coatings, third-inspection, extra tests |
Diad API 5CT tubing na Octal Pipe, saray kustomer et makaawat na ligtas, gas-tight, atagey-performance ya produkto ya mipara ed komplikadon kondisyon na bobon natan, ya susuportaan na kompleton sertipikasyon, depinidon panagsukimat tan sakey a global supply network.
FAQ

Antoy pandumaan na NUE, EUE, tan gas-tight premium tubing connections?
Anton impormasyon so nepeg kon ilaktip ed RFQ parad tubing?
Mangiiter kayo na drift testing tan thread gauging parad tubo?
Anto ran dokumento so nepeg ya iter ed tubo parad onsabin inspeksion?
Saray sertipikasyon

CE Certificate

ISO 9001 Certificate

API Q1 Certificate

ABS Certificate

AP-5L Certificate

API-5CT Certificate
Saray Estandarte tan Normatibo iran Reperensya
API 5CT– Espesipikasyon parad Casing tan Tubing
API 5B– Pan-threading tan panag-gauge na casing tan tubing connections
API 5C1 / 5C3– Saray nirekomendan gawaen parad panangasikaso/pangusar tan panagkuenta na kaykayarian (panputok, inkagba, inka-tension)
ISO 11960– Internasyonal ya katumbas na API 5CT (no kerewen)
NACE MR0175 / ISO 15156– Saray kakaukolanen ed serbisyo na H2S
Mill test certificatesanggad EN 10204 3.1 / 3.2, full heat traceability
Grado tan Metalurhiya
Saray estandarten grado: H40, J55, K55, N80 (N80-1, N80Q), L80, C90, T95, P110, Q125
Saray materyales na CRA:13Cr, Super 13Cr, Duplex 22Cr, Super Duplex 25Cr, Nickel alloys
Panagtambal ed petang:Normalizing, Quench & Temper, solution treatment parad CRA, hardness control parad sour service
Saray Mainit ya Tag: OCTG Tubing, China Tubing manufacturers, suppliers, factory
Akaunan
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