Cov kav hlau

Dab tsi yog Steel Pipes

Cov kav hlau yog cov raj cylindrical ua los ntawm cov hlau uas siv ntau txoj hauv kev tsim khoom thiab kev tsim kho vaj tse. Lawv yog cov khoom siv feem ntau ua los ntawm kev lag luam steel. Kev siv cov yeeb nkab tseem ceeb yog hauv kev thauj cov kua lossis roj hauv av - suav nrog roj, roj, thiab dej. Txawm li cas los xij, cov kav dej ntawm qhov sib txawv yog siv thoob plaws hauv kev tsim khoom thiab kev tsim kho. Ib qho piv txwv ntawm kev tsim khoom hauv tsev yog qhov nqaim steel yeeb nkab uas khiav cov cua txias hauv cov fridges. Kev tsim kho siv cov kav dej rau cua sov thiab kav dej. Cov qauv tsim tuaj yeem tsim tau siv cov yeeb nkab steel ntawm qhov sib txawv, xws li tes tuav, tsheb kauj vab racks, lossis cov yeeb nkab bollards.

Cov txiaj ntsig ntawm Steel Pipes

Durability

Cov kav hlau steel muaj qhov ruaj khov dua li cov kav dej lossis cov raj ua los ntawm lwm cov ntaub ntawv. Txawm tias tsis muaj tag nrho lwm cov txiaj ntsig txuas rau kev siv lawv, lub zog ntawm cov yeeb nkab steel ua rau nws qhov kev xaiv zoo tshaj plaws rau feem ntau cov haujlwm. nws lub zog ua rau nws tiv taus kev vibrations, poob siab thiab siab siab. Tsis zoo li lwm yam hlau, hlau yuav khoov duav tsis txhob tawg nyob rau hauv cov xwm txheej hnyav, pab tiv thaiv kev nchuav los yog xau.

xeb-pov thawj

Tsis zoo li lwm cov hlau uas xeb los yog corrode yooj yim, steel tubes yog xeb-pov thawj thiab tiv taus lwm yam tshuaj lom neeg uas tuaj yeem ua rau corrosion. Qhov no pab kom lawv muaj kev saib xyuas tsis pub ntau tshaj li lwm hom raj thiab cov kav dej, kav ntev rau ntau xyoo dhau los ntawm kev teeb tsa.

Yooj yim Installation

Kev cai steel kav tuaj yeem tsim rau txhua qhov siab, dav thiab lub zog yuav tsum tau ua kom tau raws li qhov tshwj xeeb ntawm koj txoj haujlwm. Lawv kuj tuaj yeem hloov kho tau yooj yim ntawm qhov chaw, ua rau lawv yooj yim rau nruab. Txhua yam kev kho lossis kev hloov kho uas xav tau tom qab kev teeb tsa tuaj yeem ua tiav sai thiab yooj yim vim tias cov hlau yog cov hlau yooj yim heev los ua haujlwm nrog li ntawd.

Muaj peev xwm ntau dua

Cov yeeb nkab steel muaj zog ntau dua li lwm hom hlau kav. Nws tuaj yeem ua kom loj dua lossis nyias dua yam tsis muaj kev cuam tshuam lub zog, zoo lossis kav ntev. Qhov no ua rau cov yeeb nkab steel pheej yig dua thiab hloov tau rau cov kev xav tau tshwj xeeb lossis kev siv nyiaj txiag.

Ib puag ncig-phooj ywg

Ntseeg nws los tsis, siv cov hlau yog ib txoj hauv kev zoo los saib xyuas cov cheeb tsam hauv cheeb tsam. Kwv yees li 70% ntawm tag nrho cov hlau siv hauv North America tau rov ua dua txhua xyoo. Cov hlau tuaj yeem rov ua dua tshiab tsis tas yuav poob nws qhov zoo thiab lub zog. Mid City Steel hauv Westport, MA tshwj xeeb hauv cov yeeb nkab steel, muab cov neeg siv khoom zoo tshaj plaws ntawm tus nqi pheej yig.

Vim li cas thiaj xaiv peb

Cov khoom zoo

Promisteel paub txog kev xa cov khoom lag luam zoo steel uas ruaj khov thiab txhim khu kev qha. Kev ua tau zoo tau lees paub los ntawm kev soj ntsuam nruj thiab kev tswj xyuas zoo.

Pab neeg muaj kev paub

Promisteel muaj pab pawg neeg paub txog cov kws tshaj lij uas muaj kev paub zoo txog kev lag luam kev lag luam thiab cov neeg siv khoom xav tau.

Kev Pabcuam Cov Neeg Siv Khoom

Promisteel tau cog lus los muab cov neeg siv khoom tshwj xeeb rau cov neeg siv khoom. Koj tuaj yeem tau txais kev pabcuam sai thiab muaj txiaj ntsig los ntawm lawv pab pawg kws tshaj lij.

Tus nqi sib tw

Promisteel muab cov nqi sib tw ntawm lawv cov khoom steel yam tsis muaj kev cuam tshuam zoo. Qhov no ua rau lawv muaj kev xaiv pheej yig rau cov neeg siv khoom.

Kev txawj ntse

Xyuas kom tus neeg muab kev pabcuam muaj kev txawj ntse thiab kev txawj ntse los tswj koj cov kev xav tau tshwj xeeb.

Cov yeeb nkab steel li cas?

Nominal yeeb nkab loj

Cov yeeb nkab loj yog hais raws li "Nominal Pipe Size" lossis NPS. Keeb kwm ntawm NPS cov lej rau cov kav dej me me (< NPS 12) is different to the origin for larger diameter pipes. However, all pipes of a specific NPS number have the same external or outer diameter (OD). The internal diameter will vary depending on the wall thickness of the metal. The reason for this is so that the same structural supports can be used for all piping of a specific NPS number regardless of the wall thickness.

Teem caij

Cov txheej txheem steel yeeb nkab yog ib txoj hauv kev los piav txog phab ntsa tuab ntawm cov yeeb nkab. Qhov no yog ib qho tseem ceeb parameter raws li nws yog ncaj qha ntsig txog lub zog ntawm cov yeeb nkab thiab qhov haum rau cov kev siv tshwj xeeb. Lub sij hawm cov yeeb nkab yog ib tug dimensionless tooj thiab yog xam raws li tus qauv tsim rau phab ntsa thickness, muab lub siab tsim thiab tso cai rau kev nyuaj siab.Piv txwv ntawm lub sij hawm tus xov tooj yog raws li nram no: 5, 5S, 10, 20, 30, 40, 50, 60 , 80, 100, 120, 140, 160, STD, XS, thiab XXS—nrog rau feem ntau yog teem caij 40 thiab 80. Raws li lub sij hawm tus naj npawb nce, phab ntsa thickness ntawm cov yeeb nkab nce. Lub sij hawm tus naj npawb ntawm cov yeeb nkab yog li ntawd txhais cov kab uas hla, raws li OD yog kho los ntawm NPS tus lej.

Lub cev hnyav

Qhov hnyav ntawm cov yeeb nkab tuaj yeem suav tau raws li NPS, uas txhais tau hais tias lub voj voog sab nraud, thiab lub sijhawm, uas txhais cov phab ntsa tuab. Cov qauv siv cov theoretical hnyav ntawm cov hlau ntawm 40.8 phaus ib square feet ntawm 1 nti ntawm thickness los txiav txim qhov tsis tu ncua.

7 Feem ntau siv rau cov yeeb nkab steel

01.

Kev Tsim Kho Kev Lag Luam
Txij li cov yeeb nkab steel yog ob qho tib si ruaj thiab hnav, nws feem ntau siv los ntawm kev tsim kho kev lag luam hauv cov tsev lag luam thiab cov tsev nyob, nrog rau hauv kev lag luam xws li hluav taws xob, dej, kav dej, kev tsim khoom thiab lwm yam. Cov yeeb nkab steel kuj yog qhov kev xaiv zoo tshaj plaws hauv kev tsim kho kev lag luam vim tias nws tiv taus xeb thiab xeb, txhais tau hais tias nws yuav tsis xav tau kev kho ntau zaus lossis hloov. Qhov no tseem ceeb tshwj xeeb tshaj yog nyob rau hauv cov dej, kav dej thiab hluav taws xob, vim tias cov dej xau los yog tawg hauv cov yeeb nkab steel tuaj yeem ua rau muaj kev phom sij thiab raug nqi ntau.

Kev Lag Luam Roj Thiab Roj
Cov yeeb nkab steel yog qhov zoo tagnrho rau siv nyob rau hauv huab cua huab cua xws li corrosive ib puag ncig, qis thiab kub thiab siab. Vim li no, cov yeeb nkab steel yog dav siv hauv kev lag luam roj thiab roj, tshwj xeeb tshaj yog nyob rau hauv cov kav dej xws li cov kab sib sau ua ke (cov raj uas thauj cov roj lossis roj los ntawm qhov chaw tsim khoom mus rau qhov chaw cia lossis cov kav dej loj dua), thiab cov yeeb nkab kab (cov welded. , loj-inch steel kav uas yog siv los thauj cov nkev roj mus ntev). Vim tias cov yeeb nkab steel kav ntev thiab ntau yam, nws tuaj yeem sawv ntsug raws li qhov xav tau tshwj xeeb ntawm kev lag luam roj thiab roj.

Kev Lag Luam Shipbuilding
Lub zog ntawm cov hlau ua rau nws yog qhov kev xaiv zoo rau lub nkoj tsim vim nws tiv taus kev vibrations, poob siab thiab siab. Tsis zoo li lwm yam hlau, steel nrog khoov es tsis txhob tawg nyob rau hauv huab cua txias, uas txhais tau hais tias nws tsis tshua muaj kev tawg lossis tawg. Hauv kev lag luam shipbuilding, steel yeeb nkab yog tsim thiab tsim rau cov boilers, super heaters thiab siab tshuab ntawm lub nkoj.

02.

Kev Lag Luam Textile
Lub versatility ntawm cov yeeb nkab steel ua rau nws yog ib qho kev xaiv nrov hauv kev lag luam textile rau kev tsim cov bale openers, mixers, carding machines, spinning machines, winding machines and texturing machines.

Kev lag luam Agricultural
Cov yeeb nkab steel feem ntau siv hauv kev ua liaj ua teb fittings vim nws cov kav ntev thiab muaj peev xwm tiv taus siab. Hlau kuj qee zaum sib xyaw nrog cov pa roj carbon monoxide los tsim kom muaj lub teeb yuag dua tsis tau ruaj khov ua liaj ua teb haum. Cov neeg ua liaj ua teb thiab lwm lub koom haum ua liaj ua teb siv cov yeeb nkab steel hauv ntau daim ntawv thov, suav nrog lub tshuab tsheb laij teb, cov khoom nqa nqa, cov kav dej hauv teb, cov ntawv thov chiv, cov kav dej thiab lwm yam.

Cov ntawv thov kev lag luam
Cov yeeb nkab steel yog ib qho kev xaiv nyob rau hauv cov chaw tsim khoom, warehouses thiab lwm qhov chaw muaj kev lag luam vim tias nws tsis xeb thiab tsis corrode, them nyiaj siv rau lub neej ntawm kev siv tau. Round steel tubing feem ntau yog siv los thauj cov kua los yog roj los ntawm ib cheeb tsam ntawm ib qho chaw ua lag luam mus rau lwm qhov, nrog rau hauv kev tsim kho cov qauv kev lag luam nws tus kheej.

Cov ntawv thov ntxiv
Ntxiv nrog rau cov npe saum toj no, cov yeeb nkab steel feem ntau pom hauv:
• Cov nroj tsuag muaj zog
• Chaw muag khoom thiab chaw ua zaub mov
• Niaj hnub nimno architecture
• Cov chaw siv tshuaj
• Cov chaw kho dej
• Synthetic fiber ntau lawm
• Desalination
• Kev lag luam hluav taws xob

Dab tsi yog qee txoj hauv kev uas siv cov kav hlau lossis cov kav dej

Dej
Vim hais tias hlau yog ob qho tib si xeb thiab corrosion pov thawj, nws yog ib qho kev xaiv zoo heev rau kev xa dej hauv tsev. Nws lub zog thiab kav ntev pab nws nyob rau ntau xyoo hauv av txawm tias lub siab, poob siab thiab kev co.

Kev tsim kho
Ntau tus neeg cog lus thiab tuam txhab lag luam tam sim no siv steel tubing hauv kev tsim cov hauv paus thiab framing systems. Nws kuj yog siv los tsim cov tes tuav, ncej, laj kab, scaffolding, chimney kav, tso kav dej thiab cov qauv ib ntus.

Cov khoom siv
Cov kav dej steel yog siv los thaiv cov kab hluav taws xob hauv av thiab rau hluav taws xob hluav taws xob, cov roj hluav taws xob, cov kav dej kav dej Cov kav dej thiab lub zog ntawm cov kav hlau thiab cov kav dej ua rau lawv xaiv zoo heev rau kev tiv thaiv kab mob.

Cov Khoom Siv Heev
Cov kav hlau hlau kuj yog ib qho kev xaiv zoo rau cov khoom siv hluav taws xob, xws li cov kav dej kub thiab cov roj tsheb thauj mus los. Cov kav hlau dub yog qhov kev xaiv zoo tshaj plaws nyob rau hauv cov xwm txheej no, vim tias lawv muaj cov hlau oxide txheej sab nraud ntxiv rau lub zog thiab ua haujlwm ntev ntawm cov yeeb nkab steel rau sab hauv.

Dej phwj tuaj
Ntxiv dua thiab, vim nws cov khoom tiv thaiv corrosion, steel tubing yog qhov zoo rau cov dej phwj hauv av. Koj qhov thawj koom ruam zoo tshaj plaws yog xaiv galvanized corrugated steel tubing rau lub hom phiaj no. Cov ripples pom nyob rau hauv cov galvanized corrugated steel tubing ua rau nws muaj peev xwm los tswj cov qib siab, uas tau pom tsis tu ncua hauv cov kav dej hauv av.

Steel Pipe Qib - Lawv siv dab tsi

A252

A252 qib specification tswj welded thiab seamless steel yeeb nkab siv rau piling lub hom phiaj. Hauv qhov no, nws ua raws li cov khoom siv thauj khoom lossis ua lub plhaub rau cov pob zeb ua vaj tse. A252 yeeb nkab tuaj yeem muab faib ua peb qib: Qib 1, Qib 2, thiab Qib 3, txhua qhov muaj qhov sib txawv ntawm qhov sib txawv thiab lub zog tensile .Yield thiab tensile lub zog ntsuas qhia tias cov hlau muaj zog npaum li cas thiab lub siab npaum li cas ntawm cov hlau tuaj yeem tiv taus. . Qhov no yog qhov tseem ceeb tshwj xeeb rau pawg tsav tsheb. Qib uas muaj zog tshaj plaws (Qib 3) feem ntau yog qib uas nyiam tshaj plaws rau kev sib tw.
A252 Qib Tensile Strength Yield Strength
• Qib 1 50,000 (345) 30,000 (205)
• Qib 2 60,000 (415) 35,000 (240)
• Qib 3 66,000 (456) 45,000 (310)

A500
A500 qib specification npog txias-tsim welded thiab seamless carbon yeeb nkab siv rau cov hom phiaj. Cov yeeb nkab tshwj xeeb no tau tawg mus rau ntau qib: Qib A, B, C, thiab D, txhua qhov sib txawv thiab qhov muaj zog tensile (saib hauv qab). Qib B & C yog qhov feem ntau siv rau kev tsim qauv. Feem ntau, A500 cov khoom siv yog siv rau cov welded, riveted, los yog bolted kev tsim kho ntawm cov choj los yog cov tsev, thiab rau cov hom phiaj dav dav.
• A500 Qib Tensile Strength Yield Strength
• Qib B (Round) 58,000 (400) 42,000 (290)
• Qib C (Round) 62,000 (425) 46,000 (315)

A53

Qib A53 yeeb nkab yog tus qauv specification rau dub thiab kub-drip galvanized yeeb nkab. Cov khoom no tuaj yeem yog welded lossis seamless steel yeeb nkab. A53 yeeb nkab kuj tuaj nrog ntau yam tawm los thiab lub zog tensile (saib hauv qab). Lub hom phiaj ntawm cov khoom siv no yog siv rau kev siv tshuab thiab kev siv siab, suav nrog rau chav dej, dej, cua, thiab roj kab hom phiaj. ASTM A53 tuaj yeem tsim thiab welded. Cov yeeb nkab no yog tag nrho cov hom phiaj thiab tuaj yeem siv rau hauv cov chaw tsim hluav taws xob, cov chaw tsim khoom, cov chaw nres tsheb, cov pa roj carbon monoxide, thiab chav ua haujlwm (USS Tubular Website). Tsis tas li ntawd, cov khoom siv kuj yuav tsum dhau qhov kev ntsuas hluav taws xob tsis muaj kev puas tsuaj. A53 Qib yeeb nkab tau dhau los ua cov txheej txheem galvanization, uas txhais tau hais tias cov kav dej tau dipped rau hauv cov zinc molten kom coated cov yeeb nkab nrog cov txheej txheem tiv thaiv uas yuav tsis xeb. Cov txheej txheem no pab tiv thaiv kev laus thiab xeb ntawm cov hlau vim zinc deteriorates qeeb dua hlau.
A53 Qib Tensile Strength Yield Strength
• CW 25,000 45,000
• Qib A 30,000 48,000
• Qib B 35,000 60,000

A589
Qib A589 yeeb nkab yog seamless los yog welded yeeb nkab siv rau cov dej qhov dej. Qhov kev qhia tshwj xeeb ntawm cov yeeb nkab no yog tswj hwm los ntawm American Society for Testing Materials thiab npog plaub yam tshwj xeeb ntawm qhov kawg los yog threaded thiab txuas carbon steel yeeb nkab. Plaub yam tseem ceeb yog raws li nram no: hom ib, tsav yeeb nkab; hom ob, dej zoo reamed thiab drifted yeeb nkab; hom peb, tsav zoo yeeb nkab; thiab hom plaub, dej zoo casing yeeb nkab.
A589 Qib Tensile Strength yield zog
• Qib A 30,000 48,000
• Qib B 35,000 60,000

Hom hlau thiab lwm yam hlau siv hauv cov kav dej

Stainless hlau yeeb nkab qib
Thaum nws los txog rau kev txav cov kua nyob ib puag ncig hauv cov kav dej, ob peb cov ntaub ntawv muaj txiaj ntsig lossis siv dav hauv cov hlau tsis muaj steel. Cov khoom no muaj zoo heev corrosion kuj, thiab kuj yog resistant rau thermal thiab hluav taws xob conductivity. Nws muaj zog heev, tshwj xeeb tshaj yog piv rau nws lub teeb yuag, thiab yog ib qho yooj yim rau fabricate thiab huv si.Qhov feem ntau qib ntawm stainless hlau xaiv ntawm no yog qib 304, txawm tias lwm tus kuj yuav siv tau. Cov qib no tsis yog hlau nplaum thiab tuaj yeem ua kom tawv tawv siv ua haujlwm txias.

Galvanized hlau
Galvanized steel, ntawm qhov tod tes, yog ib hom uas coated nrog zinc ntxiv rau nws cov peev xwm tiv thaiv corrosion, nrog rau kev tsim cov pob zeb hauv av. Cov kav dej Galvanized yog ib hom ntau tshaj plaws uas pom nyob rau hauv cov kav dej, raws li lawv zoo li tus nqi qis dua li cov kev xaiv stainless thiab muaj zog sib piv thiab feem ntau lub neej ntev dua.

Dub Hlau Thiab Dub Hlau
Cov yeeb nkab dub zoo ib yam li cov hlau galvanized nyob rau hauv uas nws muaj kev tiv thaiv los ntawm ib txheej, tsuas yog nyob rau hauv cov ntaub ntawv no lub txheej nyob rau hauv nqe lus nug yog ib tug hlau-oxide uas yog tsaus xim. Qhov no yog ib hom kev tiv thaiv sib txawv dua li galvanization, thiab cov yeeb nkab dub feem ntau yog siv rau kev thauj dej, roj, chav thiab cua. Ib qho kev siv tsis tu ncua yog nyob rau hauv cov tshuab sprinkler, piv txwv li, vim tias nws tiv taus cua sov zoo heev.Tam sim no, nws yog ib qho tseem ceeb kom tsis txhob cuam tshuam cov kav hlau dub nrog cov kav hlau dub. Cov tom kawg yog ntau dua rov qab ua ntej xyoo 1960, ib daim ntawv ntawm cov hlau uas muaj ntau dua thiab yog ua los ntawm cov khoom sib txawv. Cov yeeb nkab dub, txawm li cas los xij, tsis yog corrosion resistant thiab yog li tsis zoo rau feem ntau cov ntawv thov dej.

Kev xaiv tooj dag
Thaum kawg, cov khoom siv tooj dag qub tuaj yeem siv rau qee qhov dej lossis cov kav dej. Nws yog qhov zoo rau kev tiv thaiv corrosion thiab ua tau zoo yog tias tsis muaj cov hlau lead-dawb nrog, thiab tseem ua tau zoo nrog lub foob kaw ntom nti uas tiv thaiv cov xau.

Dab tsi koj yuav tsum xav txog ua ntej yuav cov yeeb nkab steel

Yam cov kav hlau uas koj tab tom nrhiav
Ua ntej yuav ib yam dab tsi, koj yuav tsum txiav txim siab qhov kev faib tawm ntawm cov kav hlau uas koj xav tau thiab koj yuav ua dab tsi nrog cov kav dej. Raws li tau teev tseg saum toj no, muaj 04 hom steel kav nrog cov txheej txheem sib txawv thiab cov yam ntxwv. Carbon steel kav yog cov kav dej kim tshaj plaws kom tau txais thaum cov kav hlau tsis xeb tsis xeb. Galvanized steel kav yog coated nrog ob peb txheej ntawm zinc uas txhim khu kev tiv thaiv corrosion thiab lub zog thaum cov kav hlau dub tuaj yeem siv rau ntau qhov kev lag luam xws li kev tsim kho, tua hluav taws, laj kab ua, scaffoldings ...

Qib ntawm cov yeeb nkab steel
Lwm cov kauj ruam kom tau txais cov kav hlau raug yog los txiav txim siab qib steel koj xav tau. Koj tuaj yeem ua raws li cov qauv thoob ntiaj teb los xaiv cov kav hlau zoo tshaj plaws rau cov haujlwm. Cov qauv ASTM thiab ASME feem ntau muaj cov kav dej tshwj xeeb uas pab koj ntau hauv kev qhia koj cov qib twg yuav ua tau txoj haujlwm zoo tshaj. Txawm li cas los xij, tseem muaj qhov sib txawv ntawm ob tus qauv no, uas tau tshwm sim los ntawm kev sim sib txawv siv. Tias yog vim li cas koj yuav tsum xyuas cov specs ua tib zoo thaum xaiv cov qib zoo ntawm cov kav dej steel.

Seamless los yog welded steel kav
Cov kev xaiv customization ntawm steel kav kuj yog ib qho tseem ceeb yuav tau xav txog thaum muas steel kav. Ntawm cov uas, muaj 02 nrov tshaj plaws kev xaiv ntawm customization: seamless los yog welded. Qhov kev txiav txim siab feem ntau yog nyob ntawm koj qhov kev xaiv ntawm qhov zoo tshaj plaws rau koj cov kev xav tau. Txawm li cas los xij, feem ntau cov kav dej welded yog tus nqi ntau dua li seamless, thiab nws dhau los ua ib qho tseem ceeb los xav txog thaum koj yuav ntau.

Ntau

Txhua yam koj yuav, yuav hauv ntau ib txwm tau txais koj tus nqi zoo dua. Tsis tas li ntawd, koj tuaj yeem muaj txiaj ntsig ntxiv ntawm kev sib xyaw cov kav hlau ntev thiab qhov loj me lossis tau txais cov kav dej raws li xav tau; uas koj yuav tsis muaj ib zaug koj yuav khoom me me. Tsis tas li ntawd, yog tias koj yuav cov kav dej ntawm qhov ntev, tej zaum yuav muaj txiaj ntsig ntxiv los ntawm cov tuam ntxhab. Yuav kom tau txais qhov no, koj yuav tsum tau them sai sai rau lub npe nrov tuam txhab lag luam lub vev xaib kom paub qhov twg cov nyiaj khaws cia ntau tshaj plaws.

Cov yeeb nkab loj

Kev qhia txog cov kav hlau loj tuaj yeem yog qhov teeb meem vim nws feem ntau muaj cov ntsiab lus ntawm cov kav dej uas tsis paub txog cov neeg yuav khoom feem ntau. Nws yog ib qho tseem ceeb kom paub cov fittings thiab qhov loj me ua ntej xaj cov kav hlau. Koj tuaj yeem tshawb xyuas cov fittings thiab qhov ntau thiab tsawg raws li kev tsim cov kab kos, lossis sab laj nrog cov neeg muag khoom. Yog tias koj yuav hauv ntau, nws yooj yim kom tau txais cov kav hlau steel kho raws li koj xav tau thiab xav tau.

Vim li cas txheej txheej tseem ceeb

Hlau yog muaj zog lawm, tab sis cov coatings muab cov khoom ntxiv raws li nws tiv thaiv cov hlau nws tus kheej los ntawm corrosion thiab huab cua hnyav. Yog li ntawd, cov kav dej steel nrog cov txheej txheem tau pom zoo heev thaum koj tab tom nrhiav cov uas muaj zog thiab ruaj khov. Lwm tus 'raws li koj xav tau thiab pob nyiaj siv. Cov kav hlau dub yog lwm txoj hauv kev rau cov kav hlau galvanized yog tias koj tsuas yog xav tau cov kav dej steel los ua haujlwm rau lwm cov haujlwm xws li laj kab, kab thaiv… Meanwhile, galvanized steel kav muaj zog thiab tiv thaiv zoo kawg nkaus tiv thaiv corrosion thiab ua haujlwm zoo dua hauv kev thauj dej.

Txog Peb

Tsim nyob rau hauv 2015 thiab nyob rau hauv Tianjin Tuam Tshoj, Promisteel, ib tug subsidiary ntawm Tianhe Group, yog ib tug thoob ntiaj teb steel trading tuam txhab uas muag nrog nplua nuj nyob rau hauv exports. Peb muaj cov saw hlau ruaj khov los ntawm cov hlau loj hauv tsev thiab cov kws tshaj lij kev muag khoom, pab cov neeg siv khoom hauv ntau tshaj 60 lub teb chaws.
Peb lub tuam txhab muab ntau yam kev pabcuam rau ntau yam kev lag luam xws li cov qauv hlau, cov khoom siv hauv tsev, kev tsim khoom, kev tsim nkoj, kev tsim cov yeeb nkab, roj tank cia, transformer manufacturing, kitchenware manufacturing, thiab ntim khoom noj. Peb tau cog lus los muab cov khoom lag luam zoo thiab tus nqi tsim nyog rau peb cov neeg siv khoom, thiab muab cov kev daws teeb meem los ntawm peb cov neeg siv khoom nyob rau hauv cov txheej txheem ntev ntawm cov saw hlau thoob ntiaj teb.

Peb Cov Ntawv Pov Thawj

Nug cov lus nug

Q: Ntev npaum li cas cov kav dej steel kav?

A: Lub neej expectancy ntawm steel yeeb nkab yog yim caum mus rau ib puas xyoo thiab tsis muaj kev txaus ntshai ntawm tawm hauv qab txhuas nyob rau hauv dej. Cov kav hlau yog dipped nyob rau hauv zinc los muab lawv nrog ib txheej ntawm kev tiv thaiv txheej. Qhov no tiv thaiv corrosion thiab nce lawv lub neej.

Q: Vim li cas steel yeeb nkab thiaj li kim?

A: Kev sib tw rau cov khoom siv raw, zoo li steel, yog nce los ntawm OCTG sector thiab lwm cov khoom tiav cov tuam txhab. Cov neeg siv khoom xav tau nce ntxiv thiab txo qis thoob ntiaj teb cov khoom siv tseem ceeb xws li npib tsib xee, zinc, thiab hlau ore ua rau nce nqi nkag.

Q: Dab tsi yog qhov teeb meem ntawm cov yeeb nkab steel?

A: Sij hawm dhau mus, cov kav dej galvanized steel pib xeb lossis corrode los ntawm sab hauv tawm, ua rau txo cov dej siab thiab txwv cov dej ntws. Qhov no ua rau muaj kev pheej hmoo ntau ntxiv ntawm cov dej xau los yog kev sib tsoo tshwm sim hauv cov kav dej thiab muaj peev xwm ua rau dej nyab puas tsuaj.

Q: Dab tsi yog qhov muaj zog steel yeeb nkab lossis hlau yeeb nkab?

A: Cov kav hlau hlau tuaj yeem tiv taus siab siab, thaum cov kav hlau yog sib dua. Cov kav hlau muaj qhov cuam tshuam rau corrosion thiab xeb, thaum cov kav hlau steel muaj kev tiv thaiv thiab ruaj khov. Cov kav hlau hlau feem ntau siv rau hauv kev tsim vaj tsev, thaum cov kav hlau steel feem ntau siv hauv kev lag luam roj thiab roj.

Q: Cov yeeb nkab hlau twg muaj zog tshaj?

A: Cov kav hlau hlau feem ntau muaj zog dua li cov kav hlau cam hais txog lub zog tensile, uas yog lub peev xwm los tiv thaiv stretching quab yuam yam tsis muaj kev tawg. Qhov no ua rau cov kav hlau steel yog qhov kev xaiv nrov rau cov ntawv thov siab thiab kev teeb tsa hauv av.

Q: Cov kav hlau puas yuav khov?

A: Sab nrauv, tsis muaj rwb thaiv tsev thiab tooj liab lossis galvanized steel kav yog tag nrho cov feem ntau raug rau kev khov.

Q: Hom yeeb nkab twg kav ntev tshaj plaws?

A: Cov kav dej yog feem ntau ua los ntawm cov hlau cam los yog polyvinyl chloride, lossis PVC. Cov hlau cam khwb cia yuav nyob qhov twg los ntawm 75-100 xyoo thaum PVC yeej qhov khoom plig rau cov khoom siv yeeb nkab ntev tshaj plaws nrog kev ua neej tsis kawg.

Q: Kuv tuaj yeem siv dab tsi los kaw cov yeeb nkab steel?

A: Ob txoj kev siv ntau tshaj plaws rau kev sib khi hlau yeeb nkab xov yog anaerobic yeeb nkab xov sealant thiab PTFE xov sealant daim kab xev. Txhawm rau thov PTFE xov sealant daim kab xev sealant rau ntawm cov yeeb nkab, koj qhwv cov txiv neej cov yeeb nkab rau hauv cov kev taw qhia ntawm cov xov kom nruj.

Q: Koj yuav tiv thaiv cov yeeb nkab steel li cas?

A: Ua raws li kev tiv thaiv kev tiv thaiv xws li npog, cov ntaub thaiv npog, lossis cov txheej tiv thaiv dej noo thaum cov kav dej raug los nag, av noo, lossis qhov chaw noo noo. Cov tshuaj tiv thaiv xeb, lossis cov tshuaj tiv thaiv corrosion, ua kom qeeb lossis tiv thaiv xeb. Kho cov kev tiv thaiv kev tiv thaiv thiab cov sij hawm saib xyuas raws li.

Q: Koj yuav ua li cas thiaj li txwv tsis pub cov yeeb nkab steel los ntawm cov dej xau?

A: Siv epoxy putty lossis yeeb nkab putty ua ib ntus kho rau cov yeeb nkab xau. Cov yeeb nkab putty yog tsim los harden nyob rau hauv chav tsev kub thiab kaw lub qhov los yog tawg.

Q: Qhov txawv ntawm cov yeeb nkab steel thiab cov yeeb nkab dub yog dab tsi?

A: Ib qho ntawm qhov sib txawv tseem ceeb ntawm cov pa roj carbon steel thiab cov hlau dub yog cov pa roj carbon steel piping thiab carbon steel yeeb nkab haum yog raug rau corrosion. Cov kav hlau dub, ntawm qhov tod tes, yog tsim los ntawm cov hlau tsis muaj galvanized thiab tsis raug rau corrosion.

Q: Hom F steel yeeb nkab yog dab tsi?

A: A53 yeeb nkab los ntawm peb hom (F, E, S) thiab ob qib (A, B). A53 Hom F yog tsim los nrog lub tshuab hluav taws xob sib txuas lossis tej zaum yuav muaj qhov txuas txuas ntxiv (Qib A nkaus xwb) A53 Hom E muaj qhov hluav taws xob tsis zoo (Qib A thiab B) A53 Hom S yog cov yeeb nkab seamless thiab pom hauv Qib A thiab B)

Q: Dab tsi yog cov khoom muaj zog steel lossis hollow steel yeeb nkab?

A: Dab tsi yog qhov muaj zog steel hlau pas nrig lossis Hollow steel yeeb nkab? Lub zog rau qhov hnyav piv yog zoo dua rau cov yeeb nkab hollow dua li cov pas nrig. Qhov no txhais tau hais tias lub tog raj kheej hollow muaj zog dua tus pas nrig ntawm qhov sib npaug thiab cov khoom siv tib yam. Ib lub tog raj kheej hollow nrog lub loj hauv txoj kab uas hla yog zoo dua.

Q: Dab tsi yog qhov pheej yig tshaj ntawm cov yeeb nkab steel?

A: Raws li tau hais los saum toj no, cov kav dej uas ua los ntawm cov pa roj carbon steel yog qhov kev xaiv pheej yig vim lawv feem ntau suav tias yog hom pheej yig tshaj plaws ntawm cov yeeb nkab steel rau muag hauv ntiaj teb kev lag luam. Ua tsaug rau lawv cov kav ntev, cov kav dej carbon steel tuaj yeem pab koj txuag nyiaj ntau uas yuav tsum tau kho lossis hloov.

Q: Vim li cas steel yeeb nkab dub?

A: Dab tsi yog cov kav hlau dub? Cov kav hlau dub yog ua los ntawm cov hlau uas tsis tau coated nrog cov substrate xws li zinc lossis xim. Txij li thaum nws muaj xim tsaus nti uas yog tsim los ntawm hlau oxide thaum lub sij hawm tsim khoom, nws yog hu ua dub steel yeeb nkab.

Q: Cov nqi hlau puas yuav poob rau xyoo 2023?

A: Txawm hais tias tus nqi steel xav tias yuav nqis mus ntxiv thaum pib xyoo 2023, lawv tuaj yeem muaj kev rov qab los tom qab xyoo.

Q: Cov yeeb nkab hlau twg yuav tsis xeb?

A: Cov chromium oxidizes sai heev los tsim ib txheej tiv thaiv ntawm chromium oxide ntawm cov hlau nto. Cov oxide txheej no tiv thaiv corrosion thaum tiv thaiv cov pa oxygen los ntawm cov hlau hauv qab. Lwm cov ntsiab lus hauv cov hlau, xws li npib tsib xee thiab molybdenum, ntxiv rau nws cov xeb kuj.

Q: Dab tsi yog qhov zoo tshaj plaws steel yeeb nkab?

A: Stainless hlau yeeb nkab thiab carbon steel yeeb nkab yog cov feem ntau hom qauv yeeb nkab siv niaj hnub no.

Q: Vim li cas cov kav dej steel cement lined?

A: Cov kav dej hlau siv hauv cov dej xa mus yog qhov tsis zoo rau corrosion vim muaj cov pa oxygen, cov zaub mov, thiab lwm yam corrosive agents hauv dej. Cement mortar hauv ob sab phlu ua raws li lub cev thiab tshuaj barrier, tiv thaiv kev sib cuag ncaj qha ntawm cov ntsiab lus corrosive thiab steel nto.

Q: Muaj zog npaum li cas yog 2 nti steel yeeb nkab?

A: A {{0}}inch x 2-inch square steel raj nrog phab ntsa tuab ntawm 0.1875 ntiv tes tuaj yeem nqa 4.32 lbs ib ko taw ntev. A 4-inch x 4-inch piece ntawm square steel raj nrog phab ntsa tuab ntawm 0.25 ntiv tes tuaj yeem nqa 5.41 lbs ib ko taw ntev. Raws li square steel tubing tau loj dua, phab ntsa thickness kuj nce.

Peb yog cov kws tshaj lij steel yeeb nkab tuam ntxhab thiab cov muag khoom hauv Suav teb, tshwj xeeb hauv kev muab cov khoom lag luam zoo thiab cov kev pabcuam. Peb sov siab txais tos koj rau cov lag luam wholesale luv nqi steel kav rau muag ntawm no los ntawm peb lub hoobkas. Tiv tauj peb rau kev hais lus.