Seamless steel kav
Vim li cas thiaj xaiv Tianjin Baolai Steel Kev Lag Luam Group Co., Ltd
Tianjin Baolai Steel Kev Lag Luam Group Co., Ltd yog lub tuam txhab kev lag luam, uas tsom mus rau cov kav hlau thiab lwm yam khoom siv hlau. Tsim los ntawm 1991, Baolai yog thawj ob peb lub tuam txhab tshwj xeeb uas tsim thiab tsim cov kav dej zoo tib yam thiab tshwj xeeb. Peb tsim API, ASTM, BS, DIN, JIS, thiab EN cov qauv kav nrog lub chaw galvanizing. Peb lub peev xwm txhua xyoo yog kwv yees li 4800,000MT hauv ntau qhov tshwj xeeb thiab xa tawm 150,000MT rau thoob plaws ntiaj teb.
Kev paub nplua nuj
Peb yog cov chaw tsim khoom steel kav, tau tsim txij li xyoo 1991 nrog ntau tshaj 30 xyoo ntawm kev paub.
Cov khoom siv dav
Peb tsim thiab tsim cov kav dej zoo tib yam thiab tshwj xeeb-ntev, API, ASTM, BS, DIN, JIS, thiab EN cov kav dej, muaj yim lub yeeb nkab steel ntau lawm thiab tsib cov kab kub-dipped galvanizing ntau lawm.
Pab neeg ua haujlwm tshaj lij
Ib pab neeg mob siab rau yog lub luag haujlwm los muab kev txhawb nqa los qhia txog kev siv cov hlau kom zoo thiab pab cov neeg siv khoom siv cov khoom kom tau txais txiaj ntsig zoo tshaj plaws.
Ua kom tiav Kev Tsim Nyog
Peb lub tuam txhab muaj ob daim ntawv pov thawj kev tswj hwm kev soj ntsuam, Tuam Tshoj cov khoom lag luam saum toj kawg nkaus 500, ISO 45001, ISO 14001, thiab ISO 9001. Peb cov khoom muaj API 5CT -0802, EN 10217 Cov Lus Qhia 2014/68/EU, 7 EN 1021 khoom raws li rau DGRL 97/23/EC, Quality-Management-System, Quality-Assurance, LR 3, LR 2, LR 1, UL ASTM A852, UL ASTM A53/ ASTM, API 5L{21}} ntawv pov thawj.
Cov yeeb nkab seamless yog ib txoj hlua ntev ntawm cov hlau nrog ib qho hollow seem thiab tsis muaj seams nyob ib ncig ntawm nws. Baolai Steel Pipes Co., ltd, lub chaw tsim khoom lag luam, tau tsim tshwj xeeb hauv kev tsim cov kav dej seamless rau ntau tshaj 30 xyoo.
Dab tsi yog Seamless Steel Pipe?
Seamless steel kav yog perforated los ntawm tag nrho cov hlau puag ncig, thiab cov kav hlau tsis muaj welds ntawm qhov chaw hu ua seamless steel kav. Raws li txoj kev tsim, seamless steel kav yuav muab faib ua kub dov seamless steel kav, txias dov seamless steel kav, txias-draw seamless steel kav, extruded seamless steel kav, thiab sab saum toj kav. Raws li tus ntoo khaub lig-sectional duab, seamless steel kav muab faib ua ob hom: puag ncig thiab tshwj xeeb-puab. Cov kav dej tshwj xeeb muaj xws li square, oval, triangular, hexagonal, melon noob, hnub qub, thiab finned kav. Qhov siab tshaj plaws txoj kab uas hla yog 900 hli thiab qhov tsawg kawg nkaus txoj kab uas hla yog 4 hli. Raws li cov hom phiaj sib txawv, muaj cov kav dej tuab-walled seamless steel kav thiab nyias-walled seamless steel kav. Seamless steel kav yog siv los ua roj av geological drilling kav, tawg kav rau petrochemical kev lag luam, boiler kav, bearing kav, thiab high-precision structural steel kav rau tsheb, tsheb laij teb, thiab aviation.
Cov yam ntxwv ntawm Seamless Steel Pipes




- Seamless Pipes muaj tus nqi siab dua ib tuj dua li ERW kav dej, xws li 3 txog 8%. Tab sis chav tsev ntev ntawm seamless yeeb nkab tsuas yog ib nrab ntawm ERW yeeb nkab.
- Seamless kav yuav tiv taus siab, kub, kev nyuaj siab & corrosive cua.
- Lawv nrhiav kev siv dav hauv Roj & Roj, Refining, Petrochemical, Chemical, Fertilizer, Fais Fab, Automotive, Bearing, Mechanical & Structural.
- Lawv muaj kev zam rau OD thiab ID.
- Lawv tuab thiab ua siab ntev.
- Lawv muaj zog nyob rau hauv siab thiab kub. Cov yeeb nkab seamless muaj zog dua vim tias nws yog tsim los ntawm ib daim hlau. Cov kav dej no tuaj yeem tiv taus kev kub ntxhov, yog li lawv tau siv rau kev siv siab.
- Lawv muaj zoo heev corrosion kuj. Cov txheej txheem tsim khoom tsis suav nrog kev vuam, thiab vim li no, nws yog seamless.
- Lawv muaj ib tug du nto finishing.
- Lawv tiv taus kev puas tsuaj thiab tawg.
- Nws yooj yim dua rau khoov piv rau lwm cov kav dej.
- Qhov kev tsim cov yeeb nkab no tsis xav tau ntau lub zog los ua. Qhov no ua rau nws raug nqi ntau dua li lwm hom steel kav.
- Nws los nrog ze qhov ntev kam rau ua.
- Muaj ntau txoj kev siv los ua cov kav hlau. Qee cov txheej txheem siv cov khoom sib npaug, thaum lwm tus siv txoj kev nruam nruam.
- Cov yeeb nkab seamless yog tsim los ntawm cov txheej txheem uas suav nrog forging ntxiv rau cov txheej txheem extrusion uas txhais tau hais tias ib qho khoom siv puag ncig yog dov los yog nias los tsim lub plhaub hollow uas yog elongated los tsim cov yeeb nkab.
- Cov yeeb nkab steel yog siv dav hauv kev lag luam roj & roj. Koj yuav pom cov kav dej seamless thiab welded nyob ntawd - ob hom muaj cov khoom uas ua rau lawv zoo tagnrho rau cov xwm txheej.

Carbon Steel Seamless Pipes
Cov pa roj carbon steel seamless kav yog siv dav hauv cov cuab yeej siv hluav taws xob, roj xa khoom, petrochemical, nkoj tsim thiab boiler kev lag luam, nrog cov yam ntxwv ntawm kev ua haujlwm siab corrosion ua ke nrog cov khoom tsim nyog.
Chrome Moly Alloy Steel Seamless Yeeb Nkab
Chrome moly alloy seamless yeeb nkab yog cov khoom siv tubular nrog txhim kho qib ntawm chromium thiab molybdenum. Qhov ntxiv chromium pab ua kom cov hlau hardenability thiab corrosion kuj, whereas lub txhim kho molybdenum pab txhawb nws cov toughness thiab corrosion kuj.
Stainless hlau seamless kav
Stainless hlau yeeb nkab yog ib hom hollow ntev round steel, dav siv nyob rau hauv roj av, tshuaj, kev kho mob, khoom noj khoom haus, lub teeb kev lag luam, mechanical instrumentation, thiab lwm yam industrial kis tau tus mob pipeline thiab mechanical qauv qhov chaw. Tsis tas li ntawd, nws yog qhov sib dua ntawm qhov hnyav nrog tib lub zog khoov thiab torsional, yog li nws kuj tau siv dav hauv kev tsim cov khoom siv tshuab thiab cov qauv tsim vaj tsev. Nws kuj yog feem ntau siv los ua rooj tog thiab chav ua noj..
Lub zog loj dua
Seamless steel kav yog tsim los ntawm cov khoom steel hlau, uas ua rau lawv muaj zog thiab ruaj khov dua li cov kav dej welded. Qhov no ua rau lawv zoo tagnrho rau siv nyob rau hauv high-pressure daim ntaub ntawv.
Kev tsis sib xws
Seamless steel kav yog ua rau cov tuab tuab thiab loj, uas txhais tau hais tias lawv muaj lub zog zoo sib xws ntawm kev ua haujlwm thoob plaws lawv qhov ntev. Qhov no ua rau lawv yooj yim dua rau kev ua haujlwm nrog thiab txo qhov kev pheej hmoo ntawm kev ua tsis tiav vim qhov chaw tsis muaj zog lossis qhov tsis xws luag.
Smooth nto
Seamless steel kav muaj ib tug du nto tiav, uas txo cov kev sib txhuam thiab tsis kam mus rau cov dej ntws. Qhov no ua rau lawv zoo tagnrho rau kev siv hauv kev thauj mus los, xws li hauv kev lag luam roj thiab roj.
Corrosion Resistance
Seamless steel kav feem ntau coated nrog ib txheej ntawm cov khoom tiv thaiv, xws li zinc los yog epoxy, los tiv thaiv corrosion. Qhov no ua rau lawv zoo tagnrho rau siv nyob rau hauv ib puag ncig corrosive, xws li offshore drilling rigs.
Nqi-zoo
Txawm hais tias seamless steel kav yuav kim dua li cov kav dej welded, lawv muaj zog dua thiab kav ntev, uas tuaj yeem ua rau lub neej ua haujlwm ntev dua thiab txo cov nqi kho lub sijhawm. Lawv kuj yooj yim rau nruab thiab yuav tsum tau qis qis rau kev tu lossis kho.

Kev lag luam chiv
Cov kav hlau seamless tuaj yeem ua ke hauv ntau qhov chaw ntawm kev lag luam chiv. Cov cheeb tsam ntawm daim ntawv thov ntawm cov kab hauv kev lag luam chiv feem ntau suav nrog cov khoom siv hauv cov kav dej, cov kav dej siab hauv Melamine cov nroj tsuag, thiab cov cua kub sib hloov hauv Urea synthesis ethylene nroj tsuag. Lwm yam tshaj li qhov tau hais los saum toj no, cov kav dej seamless steel kuj tau siv ntau yam hauv kev lag luam.
Fais Fab Tsim Kev Lag Luam thiab Environmental Technologies
Hlau seamless kav thiab raj yog siv feem ntau raws li cov cua kub exchangers nyob rau hauv loj loj fais fab nroj tsuag thiab lub zog department. Kev siv ib puag ncig thiab cov nroj tsuag pov tseg kuj tseem siv tib daim ntawv thov style hu ua reheater superheaters.
Chemical thiab Petrochemical Industries
Steel seamless nroj tsuag ua pov thawj zoo heev nyob rau hauv tshuaj thiab petrochemical industries. Lub cheeb tsam ntawm daim ntawv thov nyob rau hauv cov tshuaj thiab petrochemical sectors mas muaj xws li cov hauv qab no: High-pressure kav nyob rau hauv Melamine nroj tsuag, elaborate piping systems thiab tshav kub exchanges systems ntawm urea synthesis ethylene nroj tsuag.
Curate Shipbuilding Parts rau cov neeg siv khoom thoob ntiaj teb
Ntau yam txheej txheem ntawm kev tsim nkoj yuav tsum tau siv cov yeeb nkab steel seamless thiab cov raj. Thaum nws nyuaj rau export lub nkoj npaj txhij, nws yog qhov yooj yim dua rau kev xa tawm qhov chaw uas yuav siv los tsim lub nkoj. Raws li kev thov ntawm cov neeg muag khoom thoob ntiaj teb, ntau yam steel seamless kav xa tawm mus rau thaj av deb. Cov raj no ces siv rau hauv cov txheej txheem ntawm kev tsim khoom nkoj.
Roj thiab Roj Industries
Hlau seamless kav yog ib qho yuav tsum tau rau cov roj casing thiab tubing rau offshore thiab onshore Roj & Gas hloov. Cov roj rho tawm ntawm ntug dej hiav txwv xav tau cov raj loj kom xa los ntawm ib lub reservoir mus rau lwm qhov. Tsis yog txhua yam khoom siv tuaj yeem txhawb nqa cov roj tsis zoo. Steel seamless kav yog ib daim ntawv thov zoo meej rau cov hom phiaj.
Engineering thiab Kev Tsim Kho Kev Lag Luam
Steel seamless kav yog siv heev nyob rau hauv engineering thiab kev lag luam kev lag luam nyob rau hauv cov nram qab no sectors: tsheb tsim technology, khoom noj khoom haus kev lag luam, kev ntsuas thiab tswj technology, hydraulic xovxwm, cylinders thiab twj tso kua mis, thiab lwm yam. Stainless hlau Seamless kav yog siv los ua ib nrab ntawm cov khoom tiav. nyob rau hauv cov departments uas tau hais los saum no. Lawv yog siv los ua fittings thiab raj ntsia tau rau hauv cov tshuab loj lossis ua ib nrab ntawm cov khoom tiav rau cov khoom siv machined.
Automotive Kev Lag Luam
Hauv kev lag luam tsheb, DMV cov khoom siv tau meej meej hauv cov hauv qab no: Lwm yam tshaj li no, lawv kuj tau siv hauv hydraulic braking systems.
Yuav Ua Li Cas Xaiv Seamless Steel Pipes

Yuav ua li cas xaiv raws li qhov sib txawv
Qhov siab dua ntawm qhov nruab nrab conveyed, lub thickness ntawm phab ntsa ntawm cov yeeb nkab, thiab feem ntau yog qhov siab dua qhov yuav tsum tau ua rau cov khoom siv yeeb nkab.Thaum lub siab nruab nrab siab tshaj 1.6MPa, seamless steel kav los yog cov kav hlau tsis muaj hlau tuaj yeem siv tau. Thaum lub siab siab heev, xws li hauv kev tsim cov khoom siv hluavtaws ammonia, urea thiab methanol, qhov nruab nrab siab ntawm qee cov kav dej yog siab li 32MPa. High-pressure seamless steel kav ua los ntawm 20 # lossis 15CrMo feem ntau yog siv. Cov kav dej ntawm cov khoom siv lub tshuab nqus tsev thiab cov kav dej oxygen thaum lub siab siab dua 10MPa feem ntau siv cov raj tooj liab thiab tooj dag.
Thaum lub siab nruab nrab qis dua 1.6MPa, welded steel kav, cam khwb cia hlau kav lossis cov kav hlau tsis yog hlau tuaj yeem txiav txim siab. Txawm li cas los xij, lub siab uas cam khwb cia hlau kav los ntawm qhov nruab nrab yuav tsum tsis pub tshaj 1.0MPa. Qhov nruab nrab siab uas cov kav dej tsis yog xim hlau tuaj yeem tiv taus yog cuam tshuam nrog cov khoom tsis yog xim hlau. Piv txwv li, rau cov kav dej polyvinyl chloride nruj, kev khiav hauj lwm siab tsawg dua los yog sib npaug rau 1.6MPa; rau cov kav dej polypropylene reinforced, kev khiav hauj lwm siab tsawg dua los yog sib npaug rau 1.{{10}}MPa; rau cov kav dej ABS, kev khiav hauj lwm siab tsawg dua los yog sib npaug ntawm 0.6MPa.Rau cov kav dej, thaum cov dej siab qis dua 1.0MPa, welded steel kav ua los ntawm Q235A feem ntau yog siv; Thaum cov dej siab siab dua 2.5MPa, 20 # seamless steel kav feem ntau siv.
Xaiv cov khoom siv yeeb nkab raws li cov khoom siv tshuaj sib txawv ntawm Media
Txhawm rau thauj cov xov xwm sib txawv, cov khoom siv yeeb nkab sib txawv yog siv.Neutral media feem ntau tsis muaj cov khoom siv siab, yog li cov kav dej zoo tib yam siv tau; rau acidic los yog alkaline media, acid-resistant los yog alkali-resistant kav yuav tsum tau xaiv. Cov kua qaub muaj zog thiab cov hauv paus muaj zog thiab cov kua qaub tsis muaj zog thiab cov hauv paus tsis muaj zog muaj qhov sib txawv ntawm kev siv cov kav dej. Tib cov kua qaub lossis alkali muaj cov khoom siv sib txawv rau cov kav dej uas muaj qhov sib txawv.
Rau kev thauj dej thiab chav dej, cov kav dej carbon steel yog txaus. Hauv cov nroj tsuag urea, cov kav hlau stainless feem ntau yog siv los thauj cov pa roj carbon dioxide, vim tias carbon dioxide tsim carbonic acid thaum nws ntsib dej, thiab carbonic acid muaj corrosive rau cov kav hlau zoo tib yam. Carbon steel kav siv tau rau fuming sulfuric acid, tab sis carbon steel kav tsis tuaj yeem siv rau dilute sulfuric acid, vim tias dilute sulfuric acid thiab carbon hlau tuaj yeem hnov mob thiab corrode carbon steel, yog li duralumin kav siv tau.

Peb lub Hoobkas
Peb muaj lub Hoobkas ua tiav, kev saib xyuas zoo thiab xa khoom.


Peb Daim Ntawv Pov Thawj
Tam sim no, lub tuam txhab muaj ISO9001, ISO14001, ISO45001, Kev soj ntsuam daim ntawv pov thawj ntawm kev koom ua ke ntawm industrialization thiab industrialization tswj system, Tuam Tshoj Sab saum toj 500 Manufacturing Private Enterprises certifications.




Qhov kawg FAQ Qhia rau Seamless Steel Pipes
Q: Dab tsi yog seamless steel kav?
Q: Dab tsi yog qhov txawv ntawm seamless thiab welded steel kav?
Q: Dab tsi yog qhov zoo ntawm seamless steel kav?
Q: Dab tsi yog seamless steel kav siv rau?
Q: Dab tsi yog cov txheej txheem tsim khoom rau seamless steel kav?
Q: Dab tsi yog qhov sib txawv ntawm seamless steel kav?
Q: Dab tsi yog qhov sib txawv ntawm qhov kawg kev sib txuas rau seamless steel kav?
Q: Dab tsi yog qhov kub siab tshaj plaws uas cov kav dej seamless tuaj yeem tiv taus?
Q: Dab tsi yog qhov siab tshaj plaws uas cov kav dej seamless tuaj yeem tiv taus?
Q: Dab tsi yog qhov txawv ntawm seamless steel kav thiab stainless hlau kav?
Q: Dab tsi yog qhov txawv ntawm seamless steel kav thiab galvanized steel kav?
Q: Yuav ua li cas seamless steel kav kuaj kom zoo?
Q: Dab tsi yog qhov sib txawv ntawm qhov chaw tiav rau seamless steel kav?
Q: Lub sij hawm ua cov kav dej seamless steel kav yog dab tsi?
Q: Dab tsi yog qhov tsis zoo ntawm seamless steel kav?















