ERW Pipes thiab SAW Pipes Manufacturing Sib txawv

Welded steel kav yog tsim los ntawm kev ua cov hlau tiaj tus rau hauv cov duab tubular thiab koom nrog cov npoo los ntawm kev tswj cov txheej txheem vuam. Txawm li cas los xij, cov txheej txheem vuam sib txawv tsim cov kav dej nrog cov yam ntxwv sib txawv, cov kev xav tau ntau lawm, qhov peev xwm, thiab kev siv.

Ob pawg tseem ceeb yogERW steel yeeb nkabthiabSubmerged Arc Welded (SAW) yeeb nkab. ERW sawv rau Hluav Taws Xob Vuam Vuam, thaum SAW sawv rau Submerged Arc Vuam. Txawm hais tias ob qho tib si yog welded-cov yeeb nkab tsim thev naus laus zis, lawv cov qauv tsim khoom thiab cov khoom siv sib txawv txawv heev.

ERW yog siv dav rau kev tsim cov khoom me me - thiab nruab nrab - txoj kab uas hla, tshwj xeeb tshaj yog thaum muaj kev kub ceev thiab qhov ntev yuav tsum tau ua. SAW thev naus laus zis feem ntau yog siv rau loj - txoj kab uas hla thiab tuab dua - cov kav dej, suav nrog LSAW thiab SSAW cov khoom. Kev nkag siab txog qhov sib txawv ntawm cov thev naus laus zis no yog qhov tseem ceeb thaum xaiv cov yeeb nkab rau ib qho kev lag luam lossis kev siv vaj tse.

ERW Steel Pipe yog dab tsi?

ERW steel yeeb nkab yog tsim los ntawm steel sawb lossis coil uas txuas ntxiv tsim rau hauv cov duab cylindrical. Cov npoo ntev ntawm cov sawb yog coj los ua ke thiab ua kom sov los ntawm hluav taws xob tsis kam. Tom qab ntawd lub siab yog siv rau forge cov rhuab npoo ua ke, tsim ib tug nruam longitudinal weld seam.

Niaj hnub nimno ERW yeeb nkab mills feem ntau siv siab - zaus hluav taws xob tam sim no kom mloog zoo rau cov cua sov ntawm cov npoo npoo. Cov txheej txheem yog automated heev thiab tuaj yeem ua haujlwm tsis tu ncua, ua rau nws haum rau siab - ntim khoom.

Ib yamERW Steel Pipe ntau lawm kabsuav nrog lub tshuab uncoiler, leveling tshuab, tsim seem, siab- zaus vuam tsev, weld- cov hlaws tshem tawm qhov system, sizing zeb, txiav tshuab, thiab cov cuab yeej tshuaj xyuas.

Dab tsi yog Submerged Arc Welded Pipe?

Submerged Arc Welded yeeb nkab yog tsim los siv cov txheej txheem SAW, nyob rau hauv uas ib tug hluav taws xob arc yog generated ntawm ib tug tsis tu ncua welding hlau thiab cov hlau. Lub vuam cheeb tsam yog them los ntawm granular flux, uas tiv thaiv lub molten weld pas dej ua ke los ntawm atmospheric paug.

SAW thev naus laus zis feem ntau yog siv los tsim cov kav loj - txoj kab uas hla thiab hnyav - phab ntsa kav. Muaj ob lub yeeb nkab loj- kev tsim khoom: LSAW thiab SSAW.

LSAW (Longitudinal Submerged Arc Welded)yeeb nkab muaj ib tug longitudinal weld seam, thaumSSAW (kauv submerged Arc Welded)cov yeeb nkab muaj helical los yog kauv weld seam.

Kev siv vuam hlau thiab flux muab SAW ib qho kev sib txawv ntawm kev sib txawv ntawm ERW.

Qhov sib txawv ntawm Vuam Tshuab

Qhov sib txawv tseem ceeb tshaj plaws ntawm ERW thiab SAW kav yog txoj kev siv los tsim cov vuam.

HauvERW khoomn, hluav taws xob tsis kam ua kom sov ncaj qha ntawm cov npoo ntawm cov hlau. Cov npoo rhuab yog ces nias ua ke nyob rau hauv kev tswj siab. Tsis muaj qhov sib cais vuam hlau lossis granular flux yog ib txwm xav tau.

HauvSAW production, ib qho hluav taws xob arc melts ib qho txuas txuas txuas txuas thiab cov hlau uas nyob ib sab. Granular flux npog thaj tsam vuam thaum ua haujlwm.

Yog li, ERW feem ntau yog akuj welding txheej txheem, whereas SAW is anarc vuam txheej txheem.

Qhov sib txawv ntawm Kab Ntau Lawm Configuration

Cov kab ntau lawm rau ERW thiab SAW kav dej muaj ntau qhov sib txawv.

Ib hom ERW ntau lawm kab hauv qab no:

Uncoiling → Leveling → Strip Guiding → Forming → HF Vuam → Bead Removal → Sizing → Cutting → Inspection

Cov hlau sawb txav tsis tu ncua los ntawm kev sib sau thiab vuam seem. Qhov kev npaj tas mus li no tso cai rau kev ua haujlwm siab ntau lawm.

Ib tug raug SAW yeeb nkab ntau lawm kab yuav ua raws li:

Phaj / Sawb Kev Npaj → Ntug Milling → Forming → Tack Vuam → Internal SAW → Sab Nraud SAW → Expansion/Sizing → End Beveling → Inspection → Hydrostatic Test

Qhov tseeb configuration nyob ntawm seb cov yeeb nkab yog tsim los ntawm LSAW los yog SSAW technology.

Qhov sib txawv ntawm cov khoom siv raw

ERW cevfeem ntau yog tsim los ntawm steel kauj. Lub kauj yog tsis tu ncua uncoiled thiab pub rau hauv txoj kev zeb.

LSAW pipesfeem ntau yog tsim los ntawm steel phaj. Lub phaj yog npaj, tsim rau hauv ib lub cylindrical zoo, thiab welded raws nws longitudinal seam.

SSAW kavfeem ntau yog tsim los ntawm steel sawb lossis coil. Lub sawb nkag mus rau hauv cov txheej txheem ntawm lub kaum sab xis tswj thiab maj mam tsim rau hauv cov kav dej kauv thaum lub helical seam yog welded.

Qhov sib txawv ntawm raw- cov khoom siv teeb tsa muaj qhov cuam tshuam loj ntawm cov yeeb nkab qhov ntev uas txhua lub tshuab tsim khoom tuaj yeem ua tau zoo.

Qhov sib txawv ntawm txoj kab uas hla

Txoj kab uas hla yog ib qho tseem ceeb tshaj plaws thaum piv ERW thiab SAW tshuab.

ERW ntau lawmtshwj xeeb tshaj yog siv tau rau me me - thiab nruab nrab - txoj kab uas hla. Raws li kev tsim zeb tsim, ERW cov kab ntau lawm yuav npog kwv yees li20-600 mm sab nraud txoj kab uas hla, txawm tias cov mills tshwj xeeb tuaj yeem ua haujlwm dhau qhov no.

SAW thev naus laus zis feem ntau cuam tshuam nrog cov kab uas loj dua. LSAW thiab SSAW kab feem ntau tuaj yeem tsim cov kav dej hauv ntau yam xws li400-2,000 mm OD los yog ntau dua, nyob ntawm cov khoom siv tshwj xeeb.

Cov nuj nqis no yog qhov qhia tau ntau dua li kev txwv kev lag luam ruaj khov. Kev muaj peev xwm tsim tau tiag tiag nyob ntawm cov yeeb nkab- txoj kev tsim, qib steel, phab ntsa thickness, sawb lossis phaj dav, thiab ntau lawm- kab tsim.

Qhov txawv ntawm phab ntsa Thickness

Phab ntsa thickness yog lwm qhov sib txawv tseem ceeb.

ERW millsfeem ntau yog tsim los rau nyias - thiab nruab nrab - cov khoom siv phab ntsa. Nyob ntawm cov khoom siv thiab cov khoom siv, ib qho ERW kab yuav ua tau kwv yees li ntawm1.5-16 hliphab ntsa thickness.

SAW ntau lawm yog tshwj xeeb tshaj yog haum rau hnyav dua - cov yeeb nkab phab ntsa. Nyob ntawm txoj kab teeb tsa, SAW kav yuav raug tsim nyob rau hauv thicknesses ib ncig6-25 hli, nrog cov tshuab tshwj xeeb muaj peev xwm ua cov khoom tuab.

Qhov ntau yam tsim nyog nyob ntawm qib steel, yeeb nkab txoj kab uas hla, txoj kev tsim, vuam cov cuab yeej, thiab cov qauv khoom siv.

Qhov sib txawv ntawm Kev Ua Haujlwm Ceev

ERW muaj qhov zoo tshaj plaws hauv kev ua haujlwm nrawm nrawm. Vim hais tias cov hlau sawb txuas ntxiv tsim thiab welded, niaj hnub ERW mills tuaj yeem ua tiav cov zis siab.

Nyob ntawm cov yeeb nkab qhov ntev thiab ntau lawm- kab tsim, ERW mills tuaj yeem ua haujlwm ntawm kwv yees li20-120m / min, thaum siab - cov tshuab ceev tuaj yeem ncav cuag qhov nrawm dua rau cov khoom tsim nyog.

SAW productionfeem ntau ua haujlwm ntawm cov kab qis qis vim tias cov txheej txheem cuam tshuam nrog kev tsim cov kav dej loj dua thiab tso cov khoom siv vuam los ntawm arc vuam. Nyob ntawm cov yeeb nkab txoj kab uas hla thiab phab ntsa thickness, SAW ntau lawm ceev yuav yog kwv yees li1-20m / min.

Txawm li cas los xij, kev ceev ntau lawm yuav tsum tau soj ntsuam ua ke nrog cov yeeb nkab qhov ntev thiab cov peev txheej ntau lawm es tsis yog sib piv cov kab siab tshaj plaws ib leeg.

Vuam Hlau thiab Flux Requirements

ERW thiab SAW muaj qhov sib txawv ntawm cov khoom siv.

ERW feem ntau tsis siv cov vuam hlau sib cais lossis cov dej ntws tawm. Lub steel sawb nws tus kheej muab cov khoom uas yog rhuab thiab forged ua ke thaum kuj welding.

SAW sivsubmerged arc vuam hlauraws li cov electrode thiab granular vuam flux los npog thaj tsam vuam.

Qib thiab kev sib xyaw ua ke ntawm vuam hlau thiab flux yog qhov tseem ceeb hauv SAW yeeb nkab tsim. Lawv cuam tshuam rau weld-hlau chemistry, mechanical zog, nkag mus, deposition rate, thiab weld kev ua tau zoo.

Yog li ntawd, SAW ntau lawm yuav tsum tau ceev faj tswj ntawm vuam tam sim no, voltage, xaim- pub ceev, mus ncig ceev, flux mob, thiab flux rov qab.

Qhov sib txawv ntawm Weld Seam Structure

ERW tsim ib qho txuas txuas txuas txuas txuas txuas txuas ntawm cov yeeb nkab.

Nyob rau hauv cov txheej txheem ERW, cov npoo ntawm cov sawb yog rhuab thiab koom nrog lub siab. Qhov tshwm sim weld cheeb tsam muaj cov yam ntxwv cuam tshuam nrog kev ua haujlwm vuam thiab kev kho cua sov tom qab lossis vuam - hlaws ua, nyob ntawm cov kab ntau lawm.

SAW kav dej tuaj yeem muaj qhov ntev los yog kauv weld seams. LSAW muaj ib tug ncaj longitudinal seam, thaum SSAW muaj ib tug helical seam.

Cov txheej txheem vuam yog li sib txawv ntawm ERW, LSAW, thiab SSAW kav.

Qhov txawv ntawm Weld Quality

Ob leeg ERW thiab SAW tuaj yeem tsim tau siab - cov yeeb nkab zoo thaum cov txheej txheem tsim khoom raug tswj kom raug.

Txawm li cas los xij, weld zoo nyob ntawm ntau ntau dua li vuam tshuab nws tus kheej. Cov hlau tsis zoo, vuam tsis zoo, tsim qhov tseeb, cov khoom siv hluav taws xob, kev npaj ntug, cov khoom siv, kev tswj tus neeg teb xov tooj, thiab cov txheej txheem tshuaj xyuas txhua yam cuam tshuam rau cov yeeb nkab tiav.

Rau SAW ntau lawm, kev tswj ntawm vuam hlau, flux, vuam tsis, thiab seam alignment yog ib qho tseem ceeb tshwj xeeb.

Rau ERW ntau lawm, ntug kev npaj, hluav taws xob tsis, vuam siab, cua sov input, tsim raug, thiab weld- hlaws dai yuav tsum tau ceev faj tswj.

Kev soj ntsuam yuav tsum tau

Ob leeg ERW thiab SAW kav dej tuaj yeem xav tau kev tshuaj xyuas ntau nyob ntawm lawv daim ntawv thov thiab cov qauv siv tau.

Cov kev tshuaj ntsuam xyuas muaj xws li:

• Kev kuaj pom
• Dimensional soj ntsuam
• Kev kuaj ultrasonic
• Eddy kev sim tam sim no
• Radiographic tshuaj xyuas
• Kev ntsuam xyuas hydrostatic
• Mechanical kuaj
• Kev tshuaj xyuas Weld
• Kev tshuaj xyuas saum npoo

Cov kev soj ntsuam tshwj xeeb yog nyob ntawm tus qauv yeeb nkab, qib steel, cov kev pabcuam, cov neeg siv khoom xav tau, thiab daim ntawv thov npaj.

Rau kev siv cov kav dej, cov qauv xws li ISO 3183 qhia cov kev cai rau cov yeeb nkab steel siv hauv cov kav dej thauj mus los thiab npog cov kev tsim khoom sib txawv.

ERW Ntau Lawm Qhov Zoo

ERW thev naus laus zis muaj ntau qhov zoo rau cov tuam ntxhab.

Cov txheej txheem tsim khoom tas mus li txhawb kev tsim khoom siab thiab automation. Aniaj hnub ERW zebtuaj yeem sib sau ua ke, siab - zaus vuam, sizing, txiav, thiab tshuaj xyuas rau hauv cov kab ntau lawm.

Lwm qhov zoo dua yog kev tsim cov qauv ntawm cov yeeb nkab qhov ntev. Thaum cov txheej txheem yob thiab cov txheej txheem ntau lawm tau teeb tsa kom raug, cov yeeb nkab loj tuaj yeem tsim tawm tsis tu ncua.

ERW yog li tshwj xeeb tshaj yog txaus nyiam rau cov ntawv thov uas xav tau cov khoom ntim ntau thiab qhov ntev.

SAW Production Advantages

SAW thev naus laus zis muab cov txiaj ntsig tseem ceeb rau qhov loj - txoj kab uas hla thiab tuab - phab ntsa yeeb nkab ntau lawm.

Cov txheej txheem siv vuam hlau thiab granular flux, tso cai rau kev tswj arc vuam nrog tus nqi qis heev. Cov cuab yeej siv tau nrog ob qho tib si longitudinal thiab kauv yeeb nkab- txoj kev tsim.

LSAW productionyog tshwj xeeb tshaj yog haum rau loj - txoj kab uas hla kav yuav tsum tau tswj longitudinal vuam.SSAW productionmuab kev hloov pauv hauv kev tsim cov kav loj - txoj kab uas hla los ntawm steel sawb.

Cov yam ntxwv no ua rau SAW thev naus laus zis muaj feem cuam tshuam rau cov kav dej loj thiab cov phiaj xwm kev tsim kho vaj tse.

Qhov sib txawv ntawm cov khoom siv

Cov cuab yeej xav tau rau ERW thiab SAW ntau lawm yog qhov sib txawv heev.

IbERW millsyuav tsum tau ua cov yob, siab- cov khoom siv vuam zaus, vuam- cov cuab yeej tshem tawm cov hlaws, qhov loj me, thiab siab - cov cuab yeej txiav ceev.

A SAW ntau lawm kabxav tau cov khoom siv rau kev npaj phaj los yog sawb, sib sau, tack welding, SAW vuam, flux tuav, thiab feem ntau nthuav, kawg beveling, thiab nws kim heev tshuaj xyuas.

SAW kab yog li ntawd yuav muaj cov cuab yeej sib txawv thiab kev ua haujlwm ntau lawm piv nrog ERW mills tas li.

Qhov sib txawv hauv Cov Ntawv Thov Kev Cai

ERW thiab SAW kav dej ua haujlwm rau thaj chaw sib txawv, txawm hais tias muaj qee qhov sib tshooj.

ERW kav dej yog dav siv rau:

• Cov kav dej
• Cov qauv siv
• Mechanical tubing
• Kev tsim kho
• General industrial piping
• Cov kav dej siv hluav taws xob
• Tsawg- thiab nruab nrab- kev pabcuam siab
• SAW kav feem ntau siv rau:
• Loj -kab kav dej
• Roj thiab roj kis tau tus mob
• Ntev - cov kav dej nyob deb
• Hlau ncej
• Loj loj infrastructure tej yaam num
• Cov qauv siv
• Muaj kev thauj mus los pipelines
• Submerged los yog faus pipeline daim ntawv thov

Qhov kev xaiv zaum kawg yuav tsum yog raws li kev xav tau ntawm engineering es tsis yog xav tias ib qho kev siv thev naus laus zis yog universally superior.

ERW vs. LSAW vs. SSAW

Nws yog ib qho tseem ceeb kom paub qhov txawv ntawm peb lub technologies.

ERWsiv hluav taws xob tiv thaiv kom sov thiab koom nrog cov npoo ntawm cov hlau tsis tu ncua.

LSAWsiv submerged arc welding los koom nrog ib txoj hlua ntev tom qab tsim cov phaj steel rau hauv cov yeeb nkab.

SSAWsiv submerged arc vuam los koom nrog cov hlua khi hlua khi thaum steel sawb yog helically tsim rau hauv cov yeeb nkab.

Yog li ntawd, SAW piav txog cov txheej txheem vuam, thaum LSAW thiab SSAW piav txog cov yeeb nkab tshwj xeeb- tsim cov txheej txheem siv cov txheej txheem vuam.

Sib piv Specification Ranges

Cov lus hauv qab no muab cov kev qhia dav dav rau kev nkag siab txog qhov sib txawv:

Cov kab no tsuas yog cov piv txwv dav dav xwb. Cov khoom siv tiag tiag tuaj yeem sib txawv raws li cov chaw tsim khoom, cov yeeb nkab qhov ntev, qib steel, thiab cov kev xav tau ntau lawm.

Kev txiav txim siab nqi

Kev sib piv tus nqi yuav tsum xav txog cov txheej txheem tsim khoom tiav es tsis yog kev ua haujlwm vuam xwb.

ERW tuaj yeem raug nqi -zoo rau siab- ntim ntau lawm vim nws cov txheej txheem txuas ntxiv thiab kev tsim khoom ceev. Nws tseem tuaj yeem txo cov kev cai tuav thaum cov kab ntau lawm yog automated.

SAW tej zaum yuav muaj cov txheej txheem ntau dua thiab cov khoom yuav tsum tau ua, nrog rau cov vuam hlau thiab kev tuav flux. Txawm li cas los xij, nws ua tau zoo heev thaum tsim cov loj - txoj kab uas hla lossis hnyav - cov yeeb nkab phab ntsa uas yuav tsis haum rau cov khoom siv ERW.

Yog li ntawd, cov txheej txheem kev lag luam feem ntau yog nyob ntawm qhov xav tau ntawm cov yeeb nkab qhov ntev, ntau lawm, cov khoom siv, cov kev xav tau, thiab daim ntawv thov zaum kawg.

Yam Technology Yuav Tsum Tau Xaiv?

Tsis muaj ib qho kev siv vuam tshuab uas zoo tshaj plaws rau txhua lub yeeb nkab.

Rau cov chaw tsim khoom uas tsim cov ntim loj me me - thiab nruab nrab - txoj kab uas hla cov yeeb nkab, ERW tuaj yeem muab cov kev daws teeb meem zoo thiab siv tau zoo heev.

Rau qhov loj - txoj kab uas hla lossis hnyav - cov yeeb nkab phab ntsa, SAW tej zaum yuav yog cov cuab yeej tsim nyog dua. Tsis pub dhau SAW ntau lawm, cov chaw tsim khoom tuaj yeem xaiv LSAW lossis SSAW raws li qhov yuav tsum tau muaj qhov ntev, cov khoom muaj, qhov project xav tau, thiab cov tswv yim tsim khoom.

Yog li ntawd, cov neeg siv yeeb nkab yuav tsum ntsuas txoj kev tsim khoom ua ke nrog cov qauv tsim nyog thiab kev ua haujlwm yuav tsum tau ua.

Kev sib piv zaum kawg

Qhov sib txawv nruab nrab ntawmERW Pipe vs SAW Pipeyog lub hauv paus ntsiab lus vuam thiab kev tsim khoom- kab teeb tsa.

ERW siv hluav taws xob tiv thaiv cua sov thiab siab los koom nrog cov npoo ntawm cov hlau tsis tu ncua. Nws yog tshwj xeeb tshaj yog haum rau siab -ceev, nruam zus tau tej cov me me - thiab nruab nrab - txoj kab uas hla yeeb nkab.

SAW siv ib qho hluav taws xob arc, vuam hlau, thiab granular flux los tsim cov vuam. Nws yog tshwj xeeb tshaj yog haum rau loj - txoj kab uas hla thiab tuab - cov yeeb nkab phab ntsa thiab tuaj yeem siv los tsim cov kav dej LSAW thiab SSAW.

Yog li kev xaiv ntawm ERW thiab SAW yuav tsum yog raws liyeeb nkab txoj kab uas hla, phab ntsa thickness, qib steel, ntau lawm ntim, vuam yuav tsum, qib soj ntsuam, kev khiav hauj lwm tej yam kev mob, thiab siv cov qauv.

Tsis yog ERW lossis SAW yog universally superior. Txhua lub tshuab muaj nws tus kheej lub zog, thiab qhov kev xaiv raug yog ib qho uas haum rau cov khoom tsim nyog thiab kev tsim khoom.