Kev txhim kho ib lub raj raj tshiab yog ib qho kev nqis peev loj.Kev teeb tsa tsis zoo lossis kev saib xyuas tsis raug tuaj yeem txiav lub raj lub neej ib nrab - tig 20-xyoo cov cuab tam rau hauv 10-xyoo lav.RauASTM B111 C68700 Covcov raj tshwj xeeb, muaj cov kauj ruam tseem ceeb uas koj yuav tsum ua kom ntseeg tau tias lub neej ua haujlwm siab tshaj plaws.
Phau ntawv qhia no suav nrog kev coj ua zoo tshaj plaws rau kev txais, tuav, txhim kho, thiab tswj xyuasC68700 txhuas tooj dag rajpob.
Xav tau installation specifications?Mus ntsib peb[ASTM B111 C68700 Cov]rau cov ncauj lus kom ntxaws technical data sheets. Kuj tshawb xyuas peb[ASTM B111 Kub Exchanger Tubes]nplooj ntawv rau lwm cov kev xaiv alloy yog tias koj cov kev ua haujlwm txawv.
Yuav Ua Li Cas Koj Yuav Tau Txais thiab Tshawb Xyuas C68700 Tubes Thaum Xa Khoom?
Kev kuaj xyuas kom zoo tiv thaiv teeb meem kev teeb tsa tom qab.Tsis txhob hla cov kauj ruam no.
| Cov khoom soj ntsuam | Yuav kuaj xyuas dab tsi | Kev lees txais |
|---|---|---|
| Ntim | Cov kaus mom kawg tsis zoo, banding ruaj ntseg | Tsis muaj kev puas tsuaj, cov raj tsis raug |
| Tube Marking | ASTM B111, C68700, kub, loj | Legible, phim kev txiav txim |
| Sab nraud txoj kab uas hla | Ntsuas nrog micrometer | ± 0.05 hli ntawm OD |
| Phab ntsa Thickness | Ntsuas ntawm lub raj kawg | Qhov tsawg kawg nkaus phab ntsa raws li BWG spec |
| Ntev | Ntsuas los ntawm qhov kawg mus rau qhov kawg | +6mm / -0mm rau ASTM B111 |
| Kev ncaj | Yob rau ntawm qhov chaw tiaj tus | No visible bow >1.5 hli / m |
| Nto Zoo | Kev tshuaj xyuas qhov muag | Tsis muaj kab nrib pleb, seams, lossis khawb tob |
| Sab hauv Nto | Borescope los yog lub teeb kuaj | Ntxuav, tsis muaj khib nyiab lossis hnyav oxidation |
Txoj hauv kev kom raug thiab khaws C68700 Tubes ua ntej kev teeb tsa yog dab tsi?
ASTM B111 C68700 Tubeyog mos nyob rau hauv annealed (O61) temper thiab yuav ua tau yooj yim puas los ntawm kev tuav tsis raug.
Handling Ua:
Siv nylon slings los yog padded hooks rau nqa
Nqa cov raj ntawm tus kheej los yog hauv cov pob me me
Khaws cov kaus mom kawg tiv thaiv kom txog thaum kev teeb tsa
Siv cov hnab looj tes huv kom tsis txhob muaj kab mob
Kev tswj tsis tau:
Tsis txhobpoob cov hlab ntsha los yog pob khoom
Tsis txhobtaug kev los yog sawv ntawm cov hlab
Tsis txhobrub cov hlab hla steel nto
Tsis txhobtshem cov kaus mom kawg kom txog thaum npaj txhij rau nruab
Tsis txhobsiv cov cuab yeej steel ncaj qha rau ntawm lub raj nplaim
Kev Cia Siab:
| Qhov xwm txheej | Kev xav tau |
|---|---|
| Qhov chaw | Sab hauv, huv si, qhuav |
| Kub | 10-35 ° F (50-95 ° F) |
| Cov av noo | <60% relative humidity |
| Racking | Pav ca, padded, tawm - hauv av |
| Tshuaj raug | Khaws kom deb ntawm ammonia, acids, kuab tshuaj |
| Lub sijhawm khaws cia | Siv tsis pub dhau 6 lub hlis kom tau txais txiaj ntsig zoo tshaj plaws |
Pro tswv yim:Rau kev khaws cia tshaj 6 lub hlis, ntxivVapor Corrosion inhibitor (VCI)Cov emitters nyob rau hauv lub raj ntim thiab qhwv nrog VCI zaj duab xis.
Yuav Ua Li Cas Npaj Tubesheet rau C68700 Tube Installation?
Kev npaj tubesheet kom raug yog qhov tseem ceeb rau kev xau- cov leeg tsis pub dawb.Rushing cov kauj ruam no ua rau 80% ntawm installation tsis ua hauj lwm.
Kauj ruam -los ntawm - Kauj Ruam Tubesheet Preparation:
| Kauj ruam | Kev ua | Critical Tolerance |
|---|---|---|
| 1 | Ntxuav tubesheet qhov | Tshem tawm xeb, nplai, qub sealant |
| 2 | Tshawb xyuas qhov xwm txheej | Tsis muaj ovality, tsis muaj burrs, tsis pitting |
| 3 | Ntsuas lub qhov taub | Yuav tsum yog raj OD + 0.10 txog 0.25 mm |
| 4 | Deburr qhov npoo | 0.2-0.5 hli chamfer pom zoo |
| 5 | Ntxuav dua | Solvent so tshem cov roj thiab cov khib nyiab |
| 6 | Siv cov roj nplua nyeem (yog tias dov) | Lub teeb lub tsho ntawm lub raj expansion lubricant |
Tubesheet Hole Diameter Guidelines:
| Tube OD | Min qhov taub | Max qhov taub | Qhov zoo |
|---|---|---|---|
| 15.88 hli (5/8 ") | 15.98mm 3 | 16.13 mm | 16.03mm 3 |
| 19.05 hli (3/4 ") | 19.15 mm | 19.30 hli | 19.20 mm |
| 25.40 hli (1 ") | 25.50 hli | 25.65mm 3 | 25.55 mm |
Ceeb toom:Cov qhov uas nruj dhau yuav buckle lub raj thaum muab tso rau. Qhov uas xoob dhau lawm yuav tsis kaw kom zoo tom qab dov.
Yuav ua li cas ntxig thiab yob C68700 Tubes yam tsis muaj kev puas tsuaj?
Tube insertion thiab dov yog qhov feem ntau ntawm kev puas tsuaj tshwm sim.Ua raws li cov txheej txheem no ua tib zoo.
Tube Insertion:
Tshem lub hau kawg ntawm ib qho kawg nkaus xwb (kom lwm qhov kawg capped)
Ntxig lub raj los ntawm ib sab ntawm tubesheet
Thawb lub raj mus txog rau thaum nws txuas mus dhau lub tubesheet
Tube projection:1.5-3.0 hli dhau lub ntsej muag lub ntsej muag (rau dov)
Siv lub tshuab thawb lub raj - tsis txhob rauj rau hauv qhov chaw
Tube Rolling (Expansion):
Sivtus kheej- pub rau cov menyuam expanderstsim rau tooj dag alloys
Rolling torque rau C68700: feem ntau 50-120 N·m nyob ntawm lub raj loj
Roll length:Feem ntau 1-2 × raj txoj kab uas hla (los yog tag nrho tubesheet thickness)
Uaxeem rollsntawm cov raj coj mus kuaj ua ntej txhawm rau txheeb xyuas qhov chaw
| Tube OD | Hom Rolling Torque (O61 temper) | Nco ntsoov txo phab ntsa |
|---|---|---|
| 15.88 hli (5/8 ") | 50-70 N·m | 4-8% |
| 19.05 hli (3/4 ") | 70-100 N·m | 4-8% |
| 25.40 hli (1 ") | 90-120 N·m | 4-8% |
Kev txheeb xyuas:
Ua aKev kuaj hydrostatictom qab dov (feem ntau 1.5 × tsim siab)
Kos rau lub raj kawg kab nrib pleb uas siv dye penetrant los yog kev soj ntsuam pom
Re- yob tej pob qij txha (tab sis txwv rau 2 dov sim ib lub raj)
Tseem ceeb:Tshaj - yob tuaj yeem tawgASTM B111 C68700 Covcev xaus. Hauv qab - dov ua rau xau.Siv lub torque -tswj expander.
Yuav ua li cas tuav U- Khoov Tubes rau C68700?
U- khoov raj yuav tsum tau saib xyuas tshwj xeeb kom tsis txhob muaj kev ntxhov siab corrosion.
Bending Requirements:
Yam tsawg kawg nkaus khoov vojvoog: feem ntau 1.5-2.5 × raj OD
Siv lub mandrel bender los tiv thaiv kinking
Annealed (O61) kub nkaus xwb - H55 tuaj yeem tawg
Ncej -Kev kho cua sov khoov (Critical):
Tom qab khoov,ASTM B111 C68700 CovU-khoov yuav tsum muaj kev ntxhov siab-relief annealed:
Kub: 300-400℃(570-750℃F)
Duration: 1-2 teev
Atmosphere: Tiv thaiv (nitrogen lossis argon) los tiv thaiv oxidation
Cua txias: Cua txias
| Khoov Radius | Yuav tsum muaj kev ntxhov siab? | Qhov tshwm sim yog Hla |
|---|---|---|
| >5x cev OD | Pom zoo | Txo qaug zog lub neej |
| 2-5 × Tube OD | Yuav tsum tau | Kev pheej hmoo siab SCC |
| < 2× tube OD | Yuav tsum tau | SCC siab heev |
Tsis muaj kev ntxhov siab,U- khoov hauv C68700 tuaj yeem ua tsis tiav los ntawm kev ntxhov siab corrosion tawg hauv lub hlis thaum raug cov dej noo thiab taug qab ammonia.
Lub Sijhawm Saib Xyuas Kev Noj Qab Haus Huv thiab Kev Kho Kom Zoo Li Cas rau C68700 Tubes?
Kev saib xyuas tsis tu ncua yog qhov # 1 hauv kev ua tiav 20+ xyoo raj lub neej.C68700 tube corrosion kujnyob ntawm qhov huv, zoo - ntws nto.
Lub Sijhawm Saib Xyuas Kev Pom Zoo:
| Ntau zaus | Kev ua | Lub hom phiaj |
|---|---|---|
| Txhua hnub | Saib xyuas kev khiav ceev, kub, siab | Tshawb xyuas kev ua haujlwm sib txawv |
| Txhua lub lim tiam | Tshawb xyuas dej inlet zoo (pH, turbidity) | Tiv thaiv kev ntxhov siab |
| Txhua hli | Visual inspect inlet xaus (yog siv tau) | Catch erosion ntxov |
| Peb lub hlis twg | Ntxuav nrog daim txhuam cev los yog txhuam | Tshem tawm cov nyiaj tso cia |
| Txhua xyoo | Ua eddy tam sim no xeem (ECT) | Ntsuas phab ntsa thickness |
| Txhua 2-3 xyoos | Tag nrho ECT ntawm txhua lub raj | Kev ntsuam xyuas dav |
| Txhua txhua 5-7 xyoo | Rub ib lub raj rau kev kuaj kev puas tsuaj | Txheeb xyuas qhov xwm txheej |
Txoj kev ntxuav rau C68700:
| Txoj kev | Ntau zaus | Kev ua tau zoo | Risk Level |
|---|---|---|---|
| Daim txhuam cev ntxuav | Txhua hnub mus rau lub lim tiam | Siab | Tsawg |
| Txhuam tu | Txhua hli | Nruab nrab | Tsawg |
| Siab - lub dav hlau dej siab (<5,000 psi) | Txhua xyoo | Siab | Nruab nrab (kev pheej hmoo yaig) |
| Kev ntxuav tshuaj (tsis yog- ammonia) | Raws li xav tau | Siab | Nruab nrab (yog tias tsis ncaj ncees lawm chemical) |
| Ultrasonic tu | Raws li xav tau | Nruab nrab | Tsawg |
Tsis txhob siv:Ammonia-raws li tshuaj ntxuav, hydrochloric acid, los yog abrasive blasting (xuab zeb, grit).
C68700 Tube Degradation yog dab tsi?
Kev tshawb pom ntxov tso cai rau kev kho kom zoo es tsis txhob muaj xwm txheej ceev.Qhia koj tus neeg ua haujlwm kom pom cov cim ceeb toom no.
| Kos npe | Tej yam ua rau | Yuav tsum ua |
|---|---|---|
| Ua kom- nce dej ntws | Lub raj xau | Cais tawm thiab ntsaws lossis hloov lub raj |
| Siab dua li qub rov qab siab | Fouling los yog scaling | Cov raj huv |
| Tsawg eddy tam sim no teeb liab | Phab ntsa thinning | Teem caij retubing |
| Dawb los yog ntsuab deposits ntawm inlet | Kev txhim kho corrosion | Txo qhov nrawm, xyuas cov lim dej |
| Reddish -xim av plugs | Hlau oxide fouling | Txhim kho kev kho dej |
| Tube kawg cracking | Tshaj -rolling los yog SCC | Hloov cov hlab ntsha |
| Vibration los yog rattling | Cov raj xoob lossis ntws -vim kev co | Tshawb xyuas lub raj txhawb nqa |
Eddy Current Testing (ECT) Phab Ntsa Thinning Limits:
| Original Phab Ntsa | Yam tsawg kawg nkaus phab ntsa ua ntej hloov | Kev ua |
|---|---|---|
| 1.245 mm (18 BWG) | 0.80mm ib | Npaj retubing hauv 2 xyoos |
| 1.245 mm (18 BWG) | 0.60mm 3 | Retube tam sim ntawd |
| 1.651 mm (16 BWG) | 1.00 hli | Npaj retubing |
| 1.651 mm (16 BWG) | 0.80mm ib | Retube tam sim ntawd |
Pro tswv yim:Thaum ECT qhia 30% phab ntsa poob, pib npaj rov ua dua. Thaum 50% phab ntsa poob,teem caij tawm tam sim ntawd.
Yuav kho li cas los yog Plug Leaking C68700 Tubes?
Thaum aC68700 txhuas tooj dag rajkev xau, koj muaj peb txoj kev xaiv: ntsaws, lub tes tsho, lossis hloov.
Kev Xaiv 1: Plug (Tsev Kawm Ntawv)
Qhov zoo tshaj plaws rau: cais tawm, luv - lub sij hawm kho
Txoj kev: Ntxig tapered plugs (stainless hlau los yog tooj dag) rau hauv lub raj kawg
Cov kev txwv: txo qhov chaw hloov pauv cua sov, tsis yog kho kom ruaj khov
Ntau tshaj 10% ntawm cov raj tuaj yeem txuas tauua ntej kev ua tau zoo raug kev txom nyem
Option 2: Tube Tsho (nruab nrab-term)
Qhov zoo tshaj plaws rau: Ib qho xau hauv lwm lub raj zoo
Txoj kev: Ntxig ib lub tsho nyias nyias - lub tsho phab ntsa hla qhov chaw xau
Qhov zoo: tswj kev hloov pauv cua sov, khaws cov raj suav
Kev txwv: Yuav tsum muaj cov cuab yeej tshwj xeeb, txo ID me ntsis
Kev Xaiv 3: Hloov Tube (Ntev)
Qhov zoo tshaj plaws rau: Ntau qhov xau, phab ntsa thinning, kawg tawg
Txoj kev: Tshem cov raj qub, nruab lub raj tshiab, yob ob qhov kawg
Qhov zoo: Kev kho kom zoo dua qub
Kev txwv: Yuav tsum muaj kev tawm dag zog, tus nqi siab dua
Plug Limits:
| Number of Plugs | Kev cuam tshuam rau Kev Hloov Kub Kub | Kev pom zoo |
|---|---|---|
| < 5% of tubes | Tsawg kawg | Txais tau |
| 5-10% ntawm lub cev | Nruab nrab | Npaj retubing |
| >10% cev | Qhov tseem ceeb | Retube tam sim ntawd |
FAQ
1. Dab tsi yog qhov yuam kev ntawm kev teeb tsa feem ntau nrog ASTM B111 C68700 hlab?
Qhov yuam kev tshaj plaws yog dhau - dov tube xaus.Tshaj- dov txo cov phab ntsa tuab ntawm cov ntawv sib koom ua ke thiab tuaj yeem ua rau tawg, tshwj xeeb tshaj yog nyob rau hauv annealed (O61) temper. Cov kab nrib pleb yuav tsis pom tam sim ntawd tab sis yuav nthuav tawm thaum lub sij hawm caij tsheb kauj vab, ua rau xau hauv lub hlis.Ib txwm siv lub zog torque- tswj cov menyuam nthuav davthiab ua cov ntawv xeem yob ntawm cov raj coj mus kuaj. Qhov kev ua yuam kev thib ob feem ntau yog ua tsis tau rau kev ntxhov siab- nyem anneal U- khoov, uas ua rau muaj kev ntxhov siab corrosion tawg hauv ammonia- muaj ib puag ncig.
2. Kuv puas tuaj yeem siv tib cov cuab yeej teeb tsa rau C68700 rau cov hlau tsis muaj steel?
Tsis yog, koj yuav tsum tsis txhob siv tib cov cuab yeej.Cov cuab yeej stainless hlau tuaj yeem embed hlau hais rau hauv qhov chaw ntawmASTM B111 C68700 Covcov raj. Cov hlau no tuaj yeem ua rau galvanic corrosion thiab pitting hauv seawater kev pabcuam.Siv cov cuab yeej tshwj xeeb rau tooj liab alloys- zoo dua yog ua los ntawm txhuas bronze los yog coated nrog cov khoom tsis yog-hlau. Yog tias koj yuav tsum siv tib lub cuab yeej, kom huv si huv si thiab degrease lawv ua ntej ua haujlwm nrog C68700 raj kom tiv thaiv kev sib kis -.
3. Lub raj yuav tsum nruj npaum li cas - mus rau - cov pob qij txha rau C68700?
Qhov sib koom ua ke yuav tsum nruj txaus kom tsis txhob muaj cov pa tawm tab sis tsis nruj kom lub raj tawg.Tom qab dov, ib tug zoo nthuavc68700 cevyuav tsum: (1) tiv taus qhov ntsuas hydrostatic siab ntawm 1.5 × tsim siab yam tsis muaj to, (2) tsis pom cov kab nrib pleb ntawm lub raj kawg, (3) muaj qhov tawg me ntsis ntawm lub raj kawg (kwv yees li 0.1-0.2 hli loj dua li txoj kab uas hla tsis tau). Ib qho kev sim ua teb: ib lub raj xa dej kom zoo yuav tsumtsis tigthaum ib tug wrench yog siv maj mam mus rau lub raj kawg. Yog tias nws tig, nws nyob hauv qab - dov.
4. Ntev npaum li cas kuv yuav tsum ua eddy tam sim no kuaj ntawm C68700 raj bundles?
Rau cov khoom siv hluav taws xob tseem ceeb, ua qhov ntsuas tam sim no (ECT) txhua 2-3 xyoos.Rau cov ntawv thov tseem ceeb tsawg (HVAC, tshuaj lom neeg lub tshuab ua kom txias), txhua 5 xyoos yuav txaus.Kev kuaj ntau zaus (ib xyoos ib zaug) raug pom zoo yog tias:(1) koj tau ntsib txoj kev tsis ua haujlwm yav dhau los, (2) cov dej tsis zoo los yog hloov pauv, (3) lub tsev ua haujlwm nrog kev pib nquag- nres cycles, (4) ntws nrawm tsis tu ncua qis dua 1 m / s, lossis (5) ammonia lossis sulfide paug tuaj yeem ua tau. ECT tuaj yeem ntes cov phab ntsa nyias, pitting, thiab tawg ua ntej xau.
5. Dab tsi dej chemistry muaj kev nyab xeeb rau cov raj C68700 thaum ua haujlwm?
Kev nyab xeeb kev khiav hauj lwm ntau rau ASTM B111 C68700:pH 6.5-8.5, yaj oxygen> 2 ppm (kom muaj kev tiv thaiv zaj duab xis), ammonia <2 ppm, hydrogen sulfide <0.1 ppm, chlorides 10,000-35,000 ppm (seawater yog zoo), tshem tawm cov khib nyiab <50 ppm.Cov kev txwv tseem ceeb kom zam:pH qis dua 6.0 ua rau muaj kev xeb dav dav; pH saum toj no 9.0 destabilizes tiv thaiv zaj duab xis; ammonia saum toj no 2 ppm ua rau muaj kev ntxhov siab corrosion tawg; hydrogen sulfide saum toj no 0.1 ppm sai rhuav tshem cov yeeb yaj kiab tiv thaiv thiab ua rau pitting.
6. Kuv yuav ua li cas ntxuav cov hlab ntsha C68700 yam tsis ua rau lawv puas tsuaj?
Siv peb kauj ruam - mus kom ze: (1) Kho tshuab ntxuav- sponge balls (txhua hnub) lossis nylon txhuam (txhua lub limtiam) rau kev tso nyiaj xoob, (2)Siab - dej siab- mus txog 5,000 psi (345 bar) nrog kiv cua lub taub hau rau kev tso nyiaj nyuaj, (3)Tshuaj ntxuav- tsuas yog tsis yog-ammoniated, tsis yog -acidic cleaners pom zoo rau txhuas tooj dag.Tsis txhob siv:xuab zeb blasting, grit blasting, steel txhuam, hydrochloric acid, ammonia-raws li cov tshuaj ntxuav, los yog ib txoj kev abrasive. Tom qab tshuaj ntxuav tes, yaug nrog dej tshiab kom huv si kom txog thaum pH rov qab mus rau nruab nrab.
7. C68700 cov raj puas tuaj yeem raug tshem tawm thiab rov siv dua los ntawm cov khoom qub?
Feem ntau tsis pom zoo.Tshem tawm cov raj los ntawm ib lub pob qub yuav luag txhua zaus ua rau lawv puas tsuaj - cov txheej txheem dov tsim qhov deformation mus tas li ntawm lub raj kawg, thiab rub lub raj los ntawm lub raj xaim khawb rau sab nrauv.Reused C68700 rajmuaj qhov tsis ua haujlwm ntau dua li cov raj tshiab. Qhov kev zam tsuas yog yog tias qhov kev teeb tsa thawj zaug siv lub raj xoob haum (tsis muaj dov), uas yog qhov tsawg heev.Rau kev pabcuam txhim khu kev qha, ib txwm nruab cov raj tshiab- tus nqi ntawm kev ua tsis tiav ntxov ntxov tshaj qhov kev txuag nyiaj los ntawm kev siv cov raj qub qub.
8. Dab tsi yog qhov tsim nyog torque rau zawm C68700 raj kawg plugs?
Rau tapered plugs nyob rau hauv C68700 raj, siv 10-20 N·m (7-15 ft·lb) ntawm torque.Qhov no yog qis dua rau cov raj steel vimC68700 txhuas tooj dag rajyog tus mos. Overtightening tuaj yeem faib lub raj kawg. Siv xov sealant rau lub ntsaws ua ntej tso. Rau kev nthuav dav plugs (nrog rau lub tes tsho roj hmab), ua raws li cov chaw tsim khoom lub zog torque specifications - feem ntau 20-30 N·m. Ib txwm sivtooj dag los yog stainless hlau plugs, yeej tsis carbon steel (uas yuav xeb thiab galvanically corrode lub raj).
9. Kuv yuav tiv thaiv kev puas tsuaj hauv C68700 raj li cas?
Kev vibration yog qhov ua rau lub raj tsis ua haujlwm hauv siab - daim ntawv thov ceev.Txoj kev tiv thaiv: (1) Xyuas kom cov paib txhawb nqa lub raj muaj qhov sib raug zoo (feem ntau txhua txhua 0.5-1.0 meters), (2) Siv cov khoom tiv thaiv kev vibration los yog strips hauv cov pob, (3) Ua kom lub raj zoo ib yam los muab kev sib koom tes, (4) Tsis txhob ua haujlwm ntawm resonant frequencies (hloov twj tso kua mis ceev), (5) ntxiv rau kev vibration.cov phab ntsa tuab(16 BWG es 18 BWG). Thaum lub sij hawm kev teeb tsa, xyuas tias tag nrho cov raj tau zaum hauv cov ntawv txhawb nqa - cov hlab xoob vibrate ntau dua.
10. Dab tsi yog qhov kev cia siab ntawm kev khaws cia zoo C68700 lub raj ntim khoom?
Hauv huv, siab - dej hiav txwv ceev nrog kev ua haujlwm thiab kev saib xyuas kom zoo, ASTM B111 C68700 raj bundles feem ntau kav 15-25 xyoo.Ntau lub tuam txhab hluav taws xob tshaj tawm txog 20+ xyoo kev pabcuam. Cov yam tseem ceeb rau lub neej ntev: (1) tswj qhov tsawg kawg nkaus 1 m / s ntws nrawm txhua lub sijhawm, (2) dej huv tsis muaj kuab paug lossis sulfides, (3) tu tsis tu ncua (sponge balls lossis txhuam), (4) kev ntsuas txhua xyoo eddy tam sim no, (5) tswj dej kom zoo. Kev tswj xyuas tsis zoo hauv tib daim ntawv thov tuaj yeem ua tsis tiav hauv 5-10 xyoo.Kev saib xyuas yog qhov # 1 sib txawv- nqis peev rau nws.
100% Kev Tshuaj Xyuas Ib ASTM B111 / C68700 - Cov Neeg Siv Khoom Pom Zoo
Txhua lub raj hauv ntau qhov no tau dhau qhov thib peb - tog neeg pom kev tshuaj xyuas raws li ASTM B111 tus qauv rau C68700 alloy. Hauv qab no yog cov duab tiag tiag los ntawm cov neeg siv khoom- kev tshuaj xyuas ntawm qhov chaw, suav nrog kev ntsuas tam sim no thiab kev txheeb xyuas qhov ntev.
Cov khoom tshawb xyuas tau lees paub:
• Eddy tam sim no kuaj (ECT) – tsis dhau los ntawm - phab ntsa tsis xws luag
• Sab nraud txoj kab uas hla & phab ntsa thickness - nyob rau hauv ± 0.02mm kam rau ua
• Nto tiav & temper (O61) - ua raws li ASTM
• Hardness & tshuaj muaj pes tsawg leeg – tau ntawv pov thawj.
Export-Packing - Anti-Xeb & Ntoo Case
Tom qab kev soj ntsuam dhau lawm, tag nrho cov raj tau ntim raws li cov qauv xa tawm thiab cov neeg siv khoom - cov cai tshwj xeeb. Cov txheej txheem ntim khoom tau sau tseg hauv qab no kom paub meej txog kev taug qab thiab kev puas tsuaj - pub dawb.
Packing cov kauj ruam qhia hauv video & duab:
1. Tube tu & ziab
2. Cov kaus mom yas kawg ntawm ob qhov kawg
3. VCI los tiv thaiv- xeb daim ntawv qhwv
4. Bundle strapping nrog noo noo barrier zaj duab xis
5. Plywood ntoo rooj plaub (ISPM-15 raws) nrog ua npuas ncauj padding
6. Daim ntawv lo nrog ASTM qib, ntau tus lej, thiab cov ntawv tshuaj ntsuam xyuas
Peb lub Hoobkas & Khoom siv
Tag nrho cov raj ASTM C68700 yog tsim thiab tshuaj xyuas ntawm peb hauv - khoom siv hauv tsev, tso cai rau tag nrho cov txheej txheem tswj los ntawm billet casting mus rau qhov kawg ntim.
Cov khoom siv tseem ceeb siv rau ntau qhov no:
• Induction melting rauv – precision alloying (Cu + Zn + Al + As)
• Kab rov tav nruam casting – ib yam li cov qauv billet
• Extrusion xovxwm (800T / 1630T) – seamless raj txoj kev
• Txias kos duab lub rooj ntev zaum (5–40m) - qhov tseeb qhov tseeb rau ± 0.02mm
• Online eddy tam sim no tester (FOERSTER / MAC) - 100% NDT
• Ultrasonic phab ntsa thickness ntsuas - tiag - xyuas lub sij hawm
• Lub qhov cub tawg (tswj cua) – kub O61
Hauv -house metrology: Micrometers, pin gauges, optical comparator, hardness tester (HV/HRB)
Tag nrho cov cuab yeej yog calibrated peb lub hlis twg. Cov ntaub ntawv ntau lawm yog traceable los ntawm ntau tus lej.
Copper & Copper Alloy Cov Khoom - Cov Khoom Muag Khoom
| Daim ntawv khoom | Common Alloys / Qib | Qhov Loj | Cov qauv | Tej kev siv |
|---|---|---|---|---|
| Tube / Tube | C12200, C11000, C68700, C70600, C71500, C44300, C27000 | OD: 4mm-219mm Phab ntsa: 0.5mm-20mm Ntev: mus txog 15m |
ASTM B68, B75, B111, B280, B359, B466 | Thaum tshav kub kub exchangers, condensers, HVAC, kav dej, roj txias |
| Phaj / Ntawv | C11000, C12200, C26000, C26800, C52100, C68700 | Loj: 0.5mm-50mm Dav: mus txog 1200mm Ntev: mus txog 4000mm |
ASTM B152, B169, B103, B465 | Hluav taws xob qhov chaw, ru tsev, gaskets, industrial panels |
| Qws / Bar | C11000, C26000, C36000, C46400, C48500, C63000 | Loj: 3mm-120mm Ntev: 1m - 6m (los yog kev cai) |
ASTM B16, B124, B138, B150, B453 | Valve stems, shafts, fasteners, machined Cheebtsam |
| Hlau | C11000, C16200, C17500, C26000, C52100, C64700 | Loj: 0.1mm-12mm Coil hnyav: mus txog 100kg |
ASTM B1, B2, B3, B197, B206, B624 | Vuam electrodes, hluav taws xob conductors, springs, mesh |
| Sawb / Ntawv Nyiaj | C11000, C19400, C26000, C26800, C52100, C70250 | Loj: 0.05mm-3.0mm Dav: 5mm-600mm |
ASTM B36, B465, B694, B888 | Connectors, terminals, roj teeb tabs, shielding, stamping qhov chaw |
Tshawb xyuas Hnub no Cov Tshuag & Lub Sijhawm Lead
