
Carbon Steel Pipe
Kapal na Padir: SCH 10 anggad SCH 160 (manga. 2–50 mm)
Saray Opsyon ed Karukey: 20FT, 40FT, SRL, DRL, odino nipasal ya anggad 18 m
Grado na bakal: API 5L B, X42–X70; ASTM A106/A53/A252/A333; Q345B, Q345C, 10–45#
Estandarte: API 5L, ASTM, EN10216, ISO 3183, GB/T 9711, GB/T 8162
Klase na sampot: Plain ya sampot, Beveled ya sampot, Threaded ya sampot ya walay coupling to
Saray opsyon ed tapew: Black painting, Varnished, Galvanized, 3PE, FBE, Alloy lined/clad
Aplikasyon: Tubo na langis tan gas, suplay na danum, structural piling, konstruksion, slurry ed panagmina, planta na kuryente
Antoy carbon steel pipe?
carbon steel pipeet sakey a tubo ya asero ya manunan in-alloy edcarbon tan manganese, ya walaan na limitadon karakel na arum nin elemento, ya ginawa bilanganggapoy tahiodinoinweldingtubo ya pangiyakar na pluido, gas, odino panserbi ed saray kimey ed istruktura. Diad termino na panagsaliw, say "carbon steel pipe" et aliwan sakey a materyales-say aktual ya performance to et nadetermina naestandarte tan grado(alimbawa, API/ASTM/EN/GB), saykabaleg na tubo(OD × kapal na dingding), tan say nakaukolan ya inspeksion/dokumento parad serbisyo.
Bilang sakey a China-basedcarbon steel pipe supplierinsancarbon steel pipe stockist,,Octal Pipe suppliesASTM A106 seamless carbon steel pipeparad serbisyo ed atagey a temperatura, tanASTM A53anggapoy tahi o welded (black o hot-dip galvanized) ya carbon steel ya tubo parad pangkabilugan ya aplikasyon na pluido tan istruktura, ya amin et ginawa unong ed internasyonal iran detalye tan wala ray internal/external corrosion-protection coatings parad niponpon odino agresibon serbisyo.

octal pipe Supply Range
Pian mipara so nanduruman desinyo na proyekto, sakopen mi so malaknab a bintana:
Diametro ed paway:manga.10.3 mm anggad 1500 mm (½" – 60")
Kapal na padir:manlapud light wall / SCH 10 anggadSCH 160(manga 2-50 mm)
Karukey:SRL, DRL, 20 ft, 40 ft, 5–18 m, odino putoten-ed-karukey parad container odino pangiter na proyekto
Saray sampot a porma:plain end, beveled for field welding, odino threaded with coupling
|
Bengatla |
Range / Detalye |
|
Outer Diameter (OD) |
10.3 mm – 1500 mm (1⁄2" – 60") |
|
Kapal na Padir |
SCH 10 – SCH 160 (manga. 2 mm – 50 mm) |
|
Karukey |
20FT, 40FT, Single Random Length (SRL), Double Random Length (DRL), 5-18 m, odino nipasal |
|
Grado na Asero |
API 5L B / X42–X70,ASTM A106 Gr B, ASTM A53 B, ASTM A252 Gr 3, ASTM A333 Gr 6, tan saray kaslakan ya carbon steel a singa say 10-45#, Q345B, Q345C |
|
Saray estandarte |
API 5L, ASTM A106/A53/A179/A192/A252/A333, EN10216, GB/T 9711, GB/T 8162, ISO 3183 |
|
Klase na Sampot |
Plain Ends, Beveled Ends, Threaded Ends ya walay couplings |
|
Say tapew / Pampasakbong |
Black painting, Varnished, Galvanized, Hot-dip Galvanized, 3PE, FBE, Alloy lined or clad |
Saya so mamaabuloy ed sika ya man-order na melag-bore process lines tan angkakabaleg-diameter ya structural/piling pipes manlapud parehon supplier.

Octal Pipe Stock
Saray Estandarte tan Grado
Manggagawa tan mansusuplay kami ed saray manunan global code:
- API / ISO line pipe:API 5L (B, X42–X70), ISO 3183, GB/T 9711
- Boiler / high-temp / abeban-temp serbisyo:ASTM A106 Gr. B, ASTM A333 Gr. 6
- Kaslakan / istruktural / piling:ASTM A53, ASTM A252 Gr. 3, GB/T 8162
- Kaslakan ya carbon steels:10–45#, Q345B/C parad saray istruktura
Kanian balanglan say tubo et onloob ed transmission line, piling foundation, odino water line, sarag tayon itunos so spec.
Carbon Steel Pipe Chemical Composition
Say kemikal ya komposisyon na tubo ya aseroet grade- tan standard-specific, kanian nepeg ya kontrolen na governing specification (alimbawa, API 5L, ASTM A106/A53, GB/T 9711) imbes ya say generic ya "carbon steel" ya deskripsion. Diad panagsaliw, say praktikal a paraan pian naseguro so chemistry et diad panamegley naEN10204 3.1 MTCtan heat traceability, ya akasentro ed saray elemento ya mamapaarap ed weldability tan service performance (kaslakan et carbon equivalent, P/S limits, tan antokaman ya project-specific restrictions singa say sour-service requirements no onaplika).


Carbon pipe Manufacturing & Quality Control
Proseso:hot-inlukot / hot-inlaknab ya anggapoy tahi; ERW parad melag/katamtaman iran kabaleg; LSAW o SSAW parad angkakabaleg iran linya tan piling ed dalin.
Panagtambal ed petang:panag-normalize, panag-anneal odino panag-tempering pian naabot iray mekanikal a kablian ya nidatak ed estandarte.
NDT:ultrasonic, eddy current odino flux leakage testing ed laman na tubo tan weld seam (depende ed klase/estandarte na tubo).
Hydrostatic / mechanical tests:pressure test, tensile tan impact tests diad silong na dokumentadon QA system.
Panmarka tan pangiimpake:estandarten marka na tubo ya walay grado, kabaleg, bilang na petang; aka-bundle odino steel-frame ya packing parad export.
| Kundang | Antoy Nagagawa | Kaslakan ya Ebidensya / Punto na Kontrol |
|---|---|---|
| 1. Panpili na Rota | Anggapoy tahi odino welded (ERW / LSAW / SSAW-HSAW) base ed OD tan duty | PO scope + applicable standard |
| 2. Panangipainit | Normalize / annealing / tempering no nakaukolan | HT record (no nibaga) |
| 3. NDT | Body UT/eddy current + seam UT/RT kada estandarte/ITP | NDT reports base ed lote |
| 4. Hydro & Mechanical | Hydrotest + tensile/impact tests no nibaga | Saray report na test / QA ya ipaway |
| 5. Dimensional & Ends | OD/WT, ovality, straightness, length; PE/BE end prep | Dimensional record + end check |
| 6. Panmarka tan Pan-impake | Manmarka na kabaleg/grado/petang/dakel; bundle/frame packing | Listaan na panag-impake + listaan na panagmarka |
| 7. Release Pack | MTC + traceability mapping + inspection bundle | Lot-based documents (Octal Pipe) |
Carbon Steel Pipe Supplier & Stockist
Say octal Pipe et mankikimey bilang parehoncarbon steel pipe supplierparad saray order na gilingan tan sakeycarbon steel pipe stockistparad maples ya -pankaukolan na proyekto. Parad saray estandarten kabaleg ya uusaren ed saray tubo, linya na danum, tan industrial piping, susuportaan mi so antikey a lead-time supply diad pangikombina na stock availability tan batch production planning-pian say procurement et makapangi-align na deliveries ed workfront sequence imbes ya manalagar na sakey a full mill run.
Antoy kabaliksan na saya ed praktis:
Stockist-style dispatch:saray kaslakan ya OD/WT/grades et nayarin iparaan a tampol no walaan na malinew iran listaan na panag-impake, proteksion ed sampot, tan marka na kargamento parad pakaawat na pasen.
Supplier-style project packages:parad aliwan-estandarten OD/WT, mas istrikton PSL/inspection scope, odino coated pipe, pankasakeyen mi so produksyon + inspeksion + dokumentasyon ed sakey a release package.
Saray dokumento ya mipara ed impaway na site:Saray rekord na MTC tan inspeksion et inorganisa unong ed lote pian say QA et makapan-reconcile na marka tan papeles ya ag la naala iray materyales kayari na pangiter.

Seamless vs Welded Carbon Steel Pipe: Giya ed Panpili
Seamless Carbon Steel Pipe (No kritikal so kimey)
Anggapoy tahicarbon steel pipeet ginawa panamegley na hot rolling tan/odino cold drawing ya anggapoy longitudinal weld seam. Kaslakan ya ibabaga no kapigan so dutyatagey a presyon/atagey a temperatura, no walaygrabe so siklo na panagkarga, odino no say detalye na proyekto et malinew ya mangibabagan "seamless labat."
Saray kaslakan ya alimbawa:steam tan high-temperature ya utility headers ed saray planta na kuryente, refinery unit piping (hot oil / process lines), tan saray kritikal ya proseso na linya no iner labay na saray kliyente ya ekalen so peligro na weld-seam review. Diad sarayan pakete, say Octal Pipe et kaslakan ya onsusuporta ed panagsaliw diad pangikumpirma ed eksakton estandarte/grado tan pangiter na traceable MTC set ya mipara ed workflow na panagrepaso na dokumento na proyekto.
Welded Carbon Steel Pipe (No importante so OD range tan say delivery efficiency)
Saray sakbong na tubo ya inwelding ya carbon steelERW, LSAW, SSAW/HSAW, tan EFWproseso. Mabetbet ya napili itan paradangkakabaleg iran diametro tan andukey iran diretso, tan parad saray proyekto ya say eskedyul et mandedepende edmalet so suplay na karakeltan naisip ya fit-up.
Saray kaslakan ya alimbawa:API 5L line pipe packages parad onshore transmission segments, water trunk mains tan drainage lines, tan piling/structural sleeves no iner say workfront et mankaukolan na tuloytuloy ya OD/WT parad maples ya alignment. Say Octal Pipe et kaslakan ya ontutulong ed sarayan proyekto diad pangitunos na welded route ed kakaukolanen (ERW parad melag/katamtaman ya OD, LSAW parad mas atagey-demand straight seam packages, SSAW/HSAW parad angkakabaleg ya OD transmission), tan pangipalinew ed seam acceptance scope (UT/RT/hydrotest no nakaukolan) ed PO pian ag-onkukurang so "stuck site" ed interpretasyon.

Saray Opsyon ed Panag-coating tan Surface
| Panpilian | Sankaabigan ya Uusaren (Kaslakan ya Serbisyo) | Nota ed Panagsaliw |
|---|---|---|
| Andeket / Barnis | Pansimpenan ed loob na abung, proteksion ed antikey a panaon, inkalapagan a tubo | Tindaan-inyaplika parad panag-asikaso/pansimpen; aliwan andukey a panaon ya onsusumpa ed panag-apag |
| Galvanized (HDG / Electro) | Say pakapatnagan ed paway, saray linya na kuryente, saray kaliberliber ya manlalapud liwawa | Kumpirmaen so estandarte na coating, kapal na zinc, tan say inkasusto na sinulid (no T&C) |
| FBE (Fusion Bonded Epoxy) | Saray akaamot a tubo, linya na danum, kalkalnan inkabulok na dalin | Kaslakan ya panag-apiger na tubo; ipaliwawa so DFT tan say pangawat ed holiday no nakaukolan |
| 3LPE / 3PE | Saray akaponpon a linya, agresibon dalin, pankaukolan na mekanikal a proteksion | Mabiskeg ya proteksion ed makina; ipaliwawa so istruktura tan kapal na layer |
| Internal Epoxy / Lining (no kerewen) | Say danum, slurry, o corrosion-sensitibo ed loob na media | Ipaliwawa so klase na lining, kapal, tan saray kriterya ya awaten so loob na tapew |

Saray Manunan Aplikasyon (Saray Kondisyon ed Pantratrabahoan tan No Panon ya Onkikiwas so Tubo)
- Pipeline spreads (stringing → welding → lowering-in):
Diad andukey iran ROW spreads, say tubo et paulit-ulit ya itatagey, ipapasen, i-align, i-weld, tan ipelag ed kanal. Say peteg ya sakit etfit-up delays(ovality/straightness), plussite release hold pointsno ag mantutunosan iray marka tan dokumento. Say Octal Pipe et kaslakan ya onsusuporta ed sarayan pakete ya walay tuloytuloy ya OD/WT control tan sakey ya release-ready document set (MTC + lot mapping), kanian say spread et ag-onkupas lapud re-checks tan paperwork gaps.
- Municipal open-cut works (wet trenches, fast backfill windows):
Legan na panagpaalagey na danum ya inumen odino drainage, mankikimey iray tripulante edmapitek iran kanal, a mabetbet a walaan na danum ed dalem na dalin tan malet iran eskedyul na panangipawil. Say aderal ya coating tan say pangapiger ed holiday et nayarin magmaliw ya akaamot ya eskedyul ya mamapatey antis na backfill. Parad sarayan trabaho, say carbon steel pipe na Octal Pipe et kaslakan ya i-order ya walay FBE/3LPE ya opsyon tan praktikal ya proteksion ed sampot kanian say pangasikaso tan panag-stage et mamawala na daiset iran touch-up ya sorpresa ed lugar.
- Saray operasyon na panagpila tan pundasyon (panangalsa na ambelat, panagmaneho, panag-align):
Diad saray bridge piles tan pundasyon na bilding, saray tubo et aasikasoen ed silong na crane, ipapalikdo, tan say geometry tan say sampot ya kondisyon so mandesisyon no kasin say kimey et onaligwas. Say makapuy ya inkabilog odino ag-inkayadyari na saray sampot so mangitonton edpinilit ya pangi-alinya tan pangipawillegan na panag-fit-up odino panagmaneho. Say Octal Pipe et kaslakan ya manpopokus ed dimensional stability tan end preparation consistency pian nabawasan irayan field interruptions.
- Slurry / abrasive transport (erosion + internal corrosion):
Diad panagmina tan panag-slurry, say failure mode et mabetbeterosiontan lokal ya internal wear imbes ya simplin pressure. Saray proyekto et kaslakan ya mangiiter na mas ambelat iran dingding odino loob na lining pian naparukey so bilay na serbisyo. Say Octal Pipe et makapangiter na carbon steel pipe ya walay lining/coating ya opsyon pian say pipe et mas matukoy ed abrasive service ya ag mandedepende ed field improvisation.

Akin ya Carbon Steel Pipe et nanlapud Octal Pipe
- Sakey-lapuan na sakop ed amin a rota:Octal Pipe coordinatesanggapoy tahi + ERW + LSAW + SSAW/HSAWsay suplay ed silong na sakey a teknikal a sakop, ya lalon makagunggona no say sakey a proyekto et manlalaok na melag/katamtaman a linya na proseso na OD ed angkakabaleg-OD transmission odino piling-procurement et napaliisan so panbibiigan na saray manlalako tan pangi-re--align na saray dokumento.
- Say kalidad na weld tan panagporma so kontrolado na pabrika (ya ditan et man-audit iray managsaliw):Diad saray welded packages, say pokus na panaggawa etinkapekder na panagporma + panangontrol ed tahi na weld, ya say seam acceptance et ginawa unong ed kakaukolanen na proyekto tan inrekord na lot-kanian say repaso na kliyente et akasentro ed ebidensya, aliwan eksplinasyon.
- Mangipaway na saray pakete ya mipara ed EPC/site workflows:Imbes ya mangipawit na nitaytayak iran file, say Octal Pipe et mantiponMTC + NDT/hydro/mechanical recordsdiad lot-based set ya direktan mangimapa ed saray marka na tubo. Saya so mamawas ed kaslakan ya "sinmabi so tubo balet ag nibulos" ya atraso legan na pangawat tan inspeksion.
- Workfront-akaparaan lan man-batch tan manmarka:Saray pangiter et nayarin iyuksoyunong ed kabaleg/lote ed inkauksoy na pangipaalagey(alimbawa, stringing → fit-up → welding), ya walay malinew ya bundle IDs tan packing lists-cutting site time time ed panag-sort tan pananap na saray kulang ya piraso.
- Saray sampot/pan-coating tan export packing ya ginawa parad peteg ya transportasyon:BE/PE tan saray kaslakan ya opsyon ed panag-coating (alimbawa,FBE / 3LPE) et nayarin i-coordinate ed suplay na tubo, insan ipawit edproteksion ed sampot tan bundle/steel-frame packing-makatulong no mairap so eskedyul tan ag sarag na proyekto so ekstran third-party processing odino damage claims.
FAQ

T: Mas maong kasi so carbon steel pipe ya anggapoy tahi to nen say welded?
Q: Carbon steel pipe vs stainless steel - dinan so pilien ko?
T: Antoy nepeg kon kerewen ed sakey a supplier/stockist na carbon steel pipe?
T: Antoy kaslakan ya sukat na carbon steel pipe?
Saray sertipikasyon

CE Certificate

ISO 9001 Certificate

API Q1 Certificate

ABS Certificate

AP-5L Certificate

API-5CT Certificate
| Bengatla | Kaslakan ya Suplay / Opsyon |
|---|---|
| Porma na Produkto | Seamless (SMLS) tan Welded (ERW / LSAW / SSAW-HSAW / EFW) (Octal Pipe Co., Ltd.) |
| OD Range | 10.3-1500 mm(1⁄2"–60") (Octal Pipe Co., Ltd.) |
| Kapal na Padir | SCH 10–SCH 160(manga.2-50 mm) (Octal Pipe Co., Ltd.) |
| Karukey | 20FT, 40FT, SRL, DRL,5–18 m, odino putoten-ed-karukey (Octal Pipe Co., Ltd.) |
| Saray estandarte | API 5L; ASTM A106/A53/A252/A333; EN 10216; ISO 3183; GB/T 9711; GB/T 8162 (Octal Pipe Co., Ltd.) |
| Kaslakan iran Grado | API 5L Gr.B / X42–X70; ASTM A106 Gr.B; ASTM A53 B; ASTM A252 Gr.3; ASTM A333 Gr.6; Q345B/Q345C; 10–45# (Octal Pipe Co., Ltd.) |
| Mansampot | Plain End (PE), Beveled End (BE), Threaded & Coupled (T&C) (Octal Pipe Co., Ltd.) |
| Say tapew / Pampasakbong | Black/varnish, galvanized, FBE, 3PE/3LPE, internal epoxy/lining, lined/clad (no kerewen) (Octal Pipe Co., Ltd.) |
| Saray dokumento | EN10204 3.1 MTC (3.2 / witnessing on request); sakop na inspeksyon kada PO/ITP |
Tandaan: Say pinal ya pakawalaan tan say sakop na panagsukimat et mandedepende ed pinilin rota (SMLS/ERW/LSAW/SSAW), estandarte, tan kimey na proyekto.
Saray Mainit ya Tag: carbon steel pipe, China carbon steel pipe manufacturers, suppliers, factory
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