Ib tus neeg yuav khoom ib zaug xa peb lub platform brackets rau cov khoom siv offshore. Lawv ntsuas nyob rau hauv kam rau ua, welds ntsia lub suab, thiab cov ntawv ntim tau tiav. Rau lub hlis tom qab, xeb tau los ntshav los ntawm cov ntiv taw uas tsis muaj hlua khi, cov qhov dej me me dhau los ua kom cov tshuaj tsuag tsuag, thiab cov txheej txaws-zone txheej yog flaking. Qhov ua rau ploj RFQ nthuav dav, tsis ua haujlwm.
Feem ntaumarine thiab offshore fabricationKev ua tsis tiav yog tiv thaiv tau yog tias tus neeg yuav khoom piav qhia ib puag ncig, khoom siv, vuam, ua tiav, thiab kev xa khoom ua ntej kev yuav khoom.
Tom qab tshuaj xyuas ntau pua pob khoom tsim rau marine thav duab, khoom siv skids, nkag platforms, thiab cov yeeb nkab txhawb nqa los ntawm OEM cov neeg yuav khoom thoob plaws cov khw sib txawv, peb pab neeg ua haujlwm engineering ntawm Qingdao Tianhua Yihe Hlau Fabrication (qdthyhmetalfab.com) tau pom tsib lub ntsiab lus sib txawv uas suav rau feem ntau qhov kev ua tsis tiav.
Cov khoom no - thav duab, skids, platforms, thiab cov yeeb nkab txhawb nqa hauv cov pa roj carbon thiab stainless hlau - zaum hauv peb cov marine thiab offshore fabrication ntau yam.
Nyeem Cov Ntawv Tshawb Xyuas
| Yam khoom | Yam tsawg kawg nkaus specification | Vim li cas thiaj tseem ceeb |
|---|---|---|
| Ib cheeb tsam ib puag ncig | Atmospheric, tidal, txaws, los yog submerged | Txheej lub neej yog nyob ntawm cheeb tsam |
| Cov ntaub ntawv qib + daim ntawv pov thawj | S355JR / Q355B lossis 316/316L; EN 10204 3.1 MTC nrog tus lej xov tooj cua sov | "Marine qib" tsis yog tus qauv; traceability pib ntawm daim ntawv pov thawj zeb |
| Vuam standard + soj ntsuam | WPS to AWS D1.3, EN 1090, AS/NZS 5131; VT txhua qhov vuam, UT / MT yog tias tau teev tseg | Ntsev tawm tsam weld toes ua ntej |
| Kev tiv thaiv nto | HDG rau ISO 1461 / ASTM A123 / AS / NZS 4680, duplex, xim, hmoov, lossis anodizing | Ib daim ntawv thoob ntiaj teb tsis tshua muaj npog txhua cheeb tsam |
| Cov ntaub ntawv | Weld maps, WPS refs, welder IDs, txheej ntawv qhia, daim ntawv qhia qhov ntev | Cov ntaub ntawv pov thawj thiab kev lees paub yuav tsum muaj cov ntaub ntawv |
| Ntim & thauj khoom | Seaworthy crate, VCI, thaiv, desiccant, thauj cov duab | Cov av noo ntsev tuaj yeem ua rau cov khoom puas hauv kev thauj mus los |
1. Tsim rau ib puag ncig, tsis yog kos duab xwb
Cov qauv hauv ntug dej hiav txwv tuaj yeem pom huab cua, txaws, tidal, thiab submerged zones hauv ib lub thav duab. Ib daim duab uas tsuas qhia qhov ntev tsis quav ntsej txog kev tswj hwm lub neej kev pabcuam.
Tsis txhob sawv ntsug dej.Qhia qhov ntws ntawm qhov qis tshaj ntawm txhua qhov kab noj hniav; ib lub qhov 10 hli yog qhov ua tau yam tsawg kawg nkaus kom ntsev thiab cov khib nyiab tsis ntsaws.
Tshem tawm crevices.Lap pob qij txha thiab unstitched weld ntiv taw ntxiab chloride-laden noo noo; xav tau kev foob welds ntawm zais backsides.
Xav txog kev nkag.Lub bracket uas yooj yim rau welding tab sis tsis tuaj yeem rov qab tsho rau hauv lub tshav pob yuav ua tsis tau ntawm cov npoo ua ntej.
Txoj kev zoo dua:Ntxiv ib daim ntawv qhia txog corrosion-zone rau koj pob ntawv kos duab thiab khi txhua qhov chaw rau daim ntawv tiv thaiv.
Skid thiab thav duab assemblies staged ua ntej ntawm cov khoom xa tuaj. Cov lus qhia tshwj xeeb uas txiav txim siab ntev npaum li cas lawv tau kho ntev npaum li cas ua ntej lub ntsiab lus no - cov txheej txheem, cov kua dej, thiab cov khoom siv vuam yog kos cov kev txiav txim siab, tsis yog cov khw hauv pem teb.
Nyeem Cov Ntawv Tshawb Xyuas
| Yam khoom | Yam tsawg kawg nkaus specification | Vim li cas thiaj tseem ceeb |
|---|---|---|
| Ib cheeb tsam ib puag ncig | Atmospheric, tidal, txaws, los yog submerged | Txheej lub neej yog nyob ntawm cheeb tsam |
| Cov ntaub ntawv qib + daim ntawv pov thawj | S355JR / Q355B lossis 316/316L; EN 10204 3.1 MTC nrog tus lej xov tooj cua sov | "Marine qib" tsis yog tus qauv; traceability pib ntawm daim ntawv pov thawj zeb |
| Vuam standard + soj ntsuam | WPS to AWS D1.3, EN 1090, AS/NZS 5131; VT txhua qhov vuam, UT / MT yog tias tau teev tseg | Ntsev tawm tsam weld toes ua ntej |
| Kev tiv thaiv nto | HDG rau ISO 1461 / ASTM A123 / AS / NZS 4680, duplex, xim, hmoov, lossis anodizing | Ib daim ntawv thoob ntiaj teb tsis tshua muaj npog txhua cheeb tsam |
| Cov ntaub ntawv | Weld maps, WPS refs, welder IDs, txheej ntawv qhia, daim ntawv qhia qhov ntev | Cov ntaub ntawv pov thawj thiab kev lees paub yuav tsum muaj cov ntaub ntawv |
| Ntim & thauj khoom | Seaworthy crate, VCI, thaiv, desiccant, thauj cov duab | Cov av noo ntsev tuaj yeem ua rau cov khoom puas hauv kev thauj mus los |
1. Tsim rau ib puag ncig, tsis yog kos duab xwb
Cov qauv hauv ntug dej hiav txwv tuaj yeem pom huab cua, txaws, tidal, thiab submerged zones hauv ib lub thav duab. Ib daim duab uas tsuas qhia qhov ntev tsis quav ntsej txog kev tswj hwm lub neej kev pabcuam.
Tsis txhob sawv ntsug dej.Qhia qhov ntws ntawm qhov qis tshaj ntawm txhua qhov kab noj hniav; ib lub qhov 10 hli yog qhov ua tau yam tsawg kawg nkaus kom ntsev thiab cov khib nyiab tsis ntsaws.
Tshem tawm crevices.Lap pob qij txha thiab unstitched weld ntiv taw ntxiab chloride-laden noo noo; xav tau kev foob welds ntawm zais backsides.
Xav txog kev nkag.Lub bracket uas yooj yim rau welding tab sis tsis tuaj yeem rov qab tsho rau hauv lub tshav pob yuav ua tsis tau ntawm cov npoo ua ntej.
Txoj kev zoo dua:Ntxiv ib daim ntawv qhia txog corrosion-zone rau koj pob ntawv kos duab thiab khi txhua qhov chaw rau daim ntawv tiv thaiv.
2. Cov khoom qib thiab daim ntawv pov thawj Clarity
"Marine-qib steel" txhais tau hais tias sib txawv hauv kev lag luam sib txawv. Rau carbon-steel fabrications, S355JR los yog Q355B yog cov qib ntau; 316 los yog 316L stainless suits hnyav chloride raug. Hom ntawv pov thawj tseem ceeb npaum li qib.
EN 10204 3.1lees paub lub zeb cov txiaj ntsig kev xeem thiab txaus rau feem ntau OEM ua haujlwm.
EN 10204 3.2ntxiv kev tshuaj xyuas ywj pheej thiab feem ntau yuav tsum tau ua rau kev faib cov haujlwm.
Cov xov tooj cua sov yuav tsum tau traceable rau cov khoom hauv lub rooj sib txoos zaum kawg.
Txoj kev zoo dua:Sau cov qhab-nees, tus qauv, thiab hom ntawv pov thawj hauv BOM.
3. Welding Standards Uas ciaj sia ntsev cua
Salt-laden huab cua concentrates kev ntxhov siab ntawm cov ntiv taw thiab cov cua sov ua kom sov. Tus txheej txheem txoj cai ua rau cracking deb tsawg dua.
Siv tus tsim nyog WPS.Raws li AWS D1.3, EN 1090, lossis koj lub zos sib npaug xws li AS/NZS 5131, txhawb nqa los ntawm ISO 3834 welding zoo tswj.
Preheat kev qhuab qhia.Xyuas kom tseeb tias preheat tsawg kawg yog 25 hli los yog 1.5 npaug ntawm lub phaj thickness ntawm qhov sib koom ua ke, qhov twg loj dua, ntawm ob sab. Rov xyuas dua tom qab muaj kev cuam tshuam.
Tack welds yog tiag tiag welds.Lub caij txias tack yog qhov pib tawg; preheat tacks zoo li lub hauv paus hla.
Postheat rau xav tau cov pob qij txha.Rau cov pa roj carbon sib npaug saum 0.55 lossis ntu tshaj 50 hli, 250℃postheat tuav drives diffusible hydrogen tawm. Hydrogen tawg tuaj yeem tshwm sim ntau teev, hnub, lossis lub lis piam tom qab vuam.
Kev tshuaj ntsuam xyuas.Kev ntsuam xyuas pom ntawm txhua qhov vuam nrog lub cav vuam yog lub hauv paus; UT / MT yog muaj los ntawm cov neeg koom tes soj ntsuam raws li kev thov.
Saib seb peb tswj vuam zoo hauv peb li cashnyav phaj vuam kev pabcuam.
Vertical stiffeners rau ntawm daim phiaj saum toj kawg nkaus - qhov sib koom ua ke uas tawg ua ntej yog tias preheat thiab hlaws profile raug tso tseg.
4. Kev tiv thaiv nto: Ib lub tsho tiv no tsis tshua muaj txaus
Ib daim ntawv pleev xim ib zaug feem ntau yog qhov txuas tsis muaj zog tshaj plaws nyob rau hauv marine specification. Cov cheeb tsam sib txawv xav tau cov tshuab sib txawv.
Kub-dip galvanizing (HDG).Ib txheej txheej pov thawj rau atmospheric thiab txaws-zone carbon steel. Peb khiav HDG hauv tsev mus rau ISO 1461, ASTM A123, thiab AS / NZS 4680. Qhia txog txheej txheej thickness ntau yam thiab xyuas qhov adhesion ntawm cov npoo thiab lub qhov qhov.
Duplex systems.HDG ntxiv rau cov xim sib xws lossis cov hmoov pleev xim pleev xim rau lub neej ntev nyob rau hauv cov cheeb tsam hnyav tshaj plaws.
Lwm yam tiav.Hmoov txheej, kua xim, thiab anodizing haum cov hlau sib txawv thiab ib puag ncig.
Txoj kev zoo dua:Txhais qhov kev tiv thaiv los ntawm cheeb tsam corrosion, tsis yog ib qho kev ceeb toom thoob ntiaj teb, thiab xav tau cov txheej txheem txheej txheej thickness.
5. Cov ntaub ntawv thiab Traceability
Offshore fabrications tau tshawb xyuas ntev tom qab lawv tawm hauv lub hoobkas. Lub pob ntawv muaj zog tiv thaiv ob tog.
Weld traceability.Weld daim ntawv qhia, WPS siv, welder ID, thiab VT cov ntaub ntawv rau txhua qhov vuam.
Khoom siv traceability.Cov xov tooj cua sov txuas rau txhua ntu lossis batch.
Txheej cov ntaub ntawv.Pre-kho, txheej thickness nyeem ntawv, thiab adhesion xeem tau.
Daim ntawv qhia qhov ntev.Ntsuas qhov tseem ceeb tiv thaiv datum rau bolted interfaces.
Txoj kev zoo dua:Nug ib qho qauv ntaub ntawv pob nrog thawj kab lus.
6. Ntim thiab Logistics rau Seaworthy tuaj txog
Ib qho zoo tseem tuaj yeem tuaj txog kev puas tsuaj tom qab lub lis piam hauv lub thawv ntsev-cua. Tus neeg muag khoom muaj cov khoom ntim; tus neeg yuav khoom yuav tsum muaj tus spec.
Seaworthy ntim.Ntoo crates nrog VCI zaj duab xis, desiccant, thiab thaiv kom tsis txhob txav mus los thiab tiv thaiv corrosion.
Chaw thau khoom pov thawj.Cov duab ntawm lub pallet, crate sab hauv, thiab thawv lashing cov ntaub ntawv thaum tawm mus.
Clear Incoterms thiab HS cov lej.Cov teeb no leej twg them rau dab tsi thiab cov ntaub ntawv kev lis kev cai. Tus neeg muag khoom muaj cov ntaub ntawv, tsis yog ciam teb.
Txoj kev zoo dua:Ntxiv cov ntawv ntim rau PO thiab thov kom thauj cov duab raws li tus qauv.
Crate, VCI zaj duab xis, desiccant, tensioned strapping - thiab ib daim duab coj ua ntej lub qhov rooj kaw.
Core Takeaways
Pib nrog daim ntawv qhia cheeb tsam corrosion, tsis yog daim ntawv txheej.
Qhia cov ntaub ntawv qib, hom ntawv pov thawj, thiab cov kev cai traceability hauv BOM.
Siv cov txheej txheem vuam tsim nyog thiab txheeb xyuas qhov ntsuas hauv RFQ.
Siv thaj chaw tshwj xeeb tiv thaiv; HDG yog txheej txheej muaj zog rau carbon steel hauv marine ib puag ncig.
Thov ib qho qauv ntaub ntawv pob thiab thauj cov duab ua ntej thawj batch nkoj.
Cov lus nug nquag
Kuv yuav tsum qhia qib steel li cas rau kev tsim khoom hauv hiav txwv thiab sab nrauv?
Rau cov pa roj carbon steel fabrications, S355JR lossis Q355B yog cov qib sib txawv. Rau cov tshuaj chloride hnyav, 316 lossis 316L stainless yog qhov kev xaiv ib txwm muaj. Hom ntawv pov thawj tseem ceeb npaum li qib: EN 10204 3.1 lees paub lub zeb cov txiaj ntsig kev xeem thiab txaus rau feem ntau OEM ua haujlwm, thaum EN 10204 3.2 ntxiv kev tshuaj xyuas ywj pheej thiab feem ntau xav tau rau kev faib cov haujlwm.
Dab tsi welding tus qauv siv rau marine thiab offshore fabrications?
Raws li AWS D1.3, EN 1090, lossis qhov sib npaug hauv zos xws li AS/NZS 5131 hauv RFQ, txhawb nqa los ntawm ISO 3834 vuam kev tswj kom zoo. Txhais qhov kev soj ntsuam nyob rau tib lub sijhawm: kev kuaj pom ntawm txhua qhov vuam nrog lub vuam cav yog lub hauv paus, thiab UT lossis MT yuav tsum muaj los ntawm cov neeg koom tes tshawb xyuas thaum thov.
Yuav ua li cas tiv thaiv nto yuav tsum tau teev rau marine steel?
Txhais cov kev tiv thaiv los ntawm corrosion zone es tsis yog ib daim ntawv thoob ntiaj teb. Kub-dip galvanizing rau ISO 1461, ASTM A123, los yog AS / NZS 4680 yog ib txheej pov thawj rau atmospheric thiab splash-zone carbon steel, nrog rau cov txheej txheej thickness ntau thiab adhesion xyuas ntawm cov npoo thiab lub qhov qhov. Duplex systems, HDG ntxiv rau cov tsho tiv no sib xws, txuas lub neej nyob rau thaj tsam hnyav tshaj plaws. Xav tau ib daim ntawv qhia txheej thickness.
Vim li cas cov dej ntws tseem ceeb hauv cov qauv marine welded?
Cov kab noj hniav kaw ntom nti, thiab cov dej ntsev-dawb uas tsis tuaj yeem ntws los ua qhov chaw pib rau sab hauv corrosion. Qhia qhov dej ntws ntawm qhov qis tshaj plaws ntawm txhua qhov kab noj hniav, nrog 10 hli raws li qhov ua tau zoo tshaj plaws kom ntsev thiab cov khib nyiab tsis ntsaws. Lap pob qij txha thiab unstitched weld ntiv taw kuj cuab chloride-laden noo noo, yog li yuav tsum tau foob welds ntawm zais backsides.
Cov ntaub ntawv dab tsi yuav tsum nrog rau kev txiav txim marine fabrication?
Daim ntawv qhia weld nrog WPS siv, welder ID, thiab VT cov ntaub ntawv rau txhua qhov vuam; cov xov tooj cua sov txuas rau txhua ntu lossis batch; txheej cov ntaub ntawv npog ua ntej kev kho mob, txheej thickness nyeem, thiab adhesion xeem tau; thiab daim ntawv qhia qhov ntev ntsuas tiv thaiv datum rau bolted interfaces. Nug ib qho qauv ntaub ntawv pob nrog thawj kab lus.
Npaj Ua Koj Cov Khoom Siv Offshore Specification Bulletproof?
Xa koj daim duab rau peb, cov khoom specification, lub hom phiaj kom muaj nuj nqis, thiab kev pab cuam ib puag ncig. Peb yuav xa rov qab daim ntawv tshaj tawm DFM nyob rau hauv 48 teev uas suav nrog kev txhim kho corrosion-zone tsim, vuam cov pob qij txha, kev xaiv qhov chaw tiav, thiab kev hloov pauv tus nqi. Tsis xav tau kev cog lus.
Tau txais kev tshuaj xyuas DFM dawb rau koj qhov project marine lossis offshore →
Kev nyeem ntawv
Marine thiab offshore fabrication- thav duab, skids, platforms, thiab yeeb nkab txhawb nqa hauv carbon thiab stainless hlau.
Sheet hlau fabrication muaj peev xwm- enclosures, brackets, thiab lub teeb-gauge marine qhov chaw.
Heavy phaj vuam kev pabcuam- WPS tswj thiab preheat kev qhuab qhia rau kev xav tau cov pob qij txha.
Steel Qauv OEM raug- platforms, skids, thiab thav duab.
Hais txog tus tshaj tawm
Qingdao Tianhua Yihe Hlau Fabricationyog ib daim ntawv hlau thiab welded fabrication tsum nyob hauv Qingdao, Suav teb. Peb ua haujlwm nrog OEMs ntawm kev cai ntawv hlau qhov chaw, nruab nrab thiab hnyav phaj vuam, thiab cov txheej txheem steel fabrication, nrog ISO 3834 vuam zoo tswj thiab HDG
