Taw qhia: Tus caj qaum ntawm qhov tseem ceeb vuam
Nyob rau hauv lub realm ntawm cov txheej txheem fabrication thiab hnyav kev lag luam, tus7018 Vuam QwsSawv ntsug ua lub pob kws muaj kev cia siab, muaj npe rau nws qhov siab {{0} {-}}}}}}} qhov ua rau tawg. Hais raws li qhov qis - hydrogen hlau hmoov elec elec electrode nyob rau hauv cov ntaub ntawv tseem ceeb rau qhov twg tsis {6} Hais tau. Los ntawm Skyscraper txheej txheem rau ntug dej Rigs, 7018 tus pas xa khoom raws li qhov kev ua tau zoo ib puag ncig uas tsis muaj kev xaiv. Cov ntawv sau no tshawb txog cov kev ua yeeb yam, siv cov xwm txheej zoo tshaj plaws
Cov Hom Phiaj Cov Lus Qhia: Dab tsi teeb tsa 7018 sib nrug
Cov Cuab Yeej thiab Kev Ua Haujlwm Zoo
Qhov 7018 electrode nws lub koob npe nrov rau ib qho tshwj xeeb ntawm cov tshuaj lom neeg thiab cov qauv tsim flux. Nws qhov qis - hydrogen txheej (tsawg dua los yog sib npaug hauv cov pob zeb, ib qho tseem ceeb ntawm kev tawg ua kom tsis txhob tawg hauv qhov tawg txias. Cov khoom tseem ceeb xws li muaj:
| Ntiag tug | Yam tsawg kawg nkaus yuav tsum tau ua (AWS A5.1) | Cov nqi raug |
|---|---|---|
| Lub zog tensile | 490 MPa (70,000 PSI) | 555 MPa (80,500 psi) |
| Paib lub zog | 400 MPA (58,000 PSI) | 455 MPa (66,000 PSI) |
| Elongation | 22% | 33% |
| Charpy V -} negch cuam tshuam lub zog (-30 degree) | 27 J | 150 J |
Tau qhov twg los: Lincoln Fais Easy EasyNArc®7018 Cov Ntawv Qhia Cov Ntaub Ntawv
Tus pas dej hlau hlau -} kev ua kom zoo nkauj (95-98%) thiab Arc Stablity- qhov txiaj ntsig vuam.
Tshuaj lom neeg tshuaj lom neeg: precision hauv txhua txhua Weld
7018's Weld Hlau Chemistry yog nruj nreem kom muaj kev nruj thiab tawg. Ib qho kev sib haum xeeb suav nrog:
| Lub ntsiab | Siab tshaj plaws | Cov nqi raug |
|---|---|---|
| Carbon (c) | 0.15% | 0.07% |
| Manganese (mn) | 1.60% | 1.10% |
| Silicon (si) | 0.75% | 0.40% |
| Sulphur (s) | 0.035% | 0.020% |
| Phosphorus (p) | 0.035% | 0.023% |
Source: esab 7018-1 Prime Khoom Specifications
Daim qauv no ua kom pom tseeb compatibility nrog qis {{0 eg {{{{1} {{{} {{{}} cov kabmob qauv.
Thaum Twg Yuav Xaiv 7018: Cov Ntawv Thov Tseem Ceeb Scararios
1. Tus qauv hlau sib txuas
Hauv kev tsim kho choj, siab -}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} ece}} ece industrialework, 70 / ructility ua nws tsis tseem ceeb. Piv txwv li, tusSan Francisco -} akland Bay Chia Choj Requabation Project(2013) vam khom 7018 electrodes rau vuam huab cua cov huab cua, ua tiav 35% nrawm dua kev sib koom ua ke hauv -10℃piv rau E7016 rods (High - Lub zog 7018 Vuam Rods Box, 2025).
2. Siab rau cov hlab ntsha thiab boilers
ASME BPVC -} Ciav tshuaj Assors (piv txwv, Chav Boilers) Thov Welds nrog Pes Tsawg thiab cov neeg qaug zog tsis kam. Lub 7018's x - duab ci ua haujlwm tso nyiaj (98% tsis kho {{pub dawb rau cov ntsiab lus ntsuas hluav taws xob) thiab cov khoom siv hydrogen (<4 ml/100g) meet these stringent requirements. A case study in power plant maintenance reported 15 {-} xyoo tas kev lom zemHauv boiler Tube vssis xaiv tau los ntawm Ultrasonic Kuaj (Ibid.).
3. Ntughore thiab Marine Engineering
Offshore platforms thiab nkoj hulls ntsej muag heev corrosion thiab dynamic loads. Qhov 7018 lub noo noo - Tsis muaj xim (tsawg dua lossis sib npaug ntawm 274 degree) thiab -40 J) ua rau nws xaiv qhov kev xaiv Piv txwv li,Bohler 7018 H4R RodsTxo Weld Porosity los ntawm 28% nyob rau hauv chaw kub ntug ib puag ncig piv rau cov qauv ntim khoom (Ibid.).
4. Hnyaj Tshuab Kho
Cov khoom siv tsuas, sib tsoo, thiab locomotive thav ntawv yauv tsis txaus ntseeg kev ntxhov siab. 7018 lub peev xwm los weld siab - cov qeb carbon (li 0.45% c) thiab qis, 4130 cov cim kev kho) Lincoln Electric Electricur ®7018-1 Mr., piv txwv li, yog qhia rau kev kho cov kab ntsigLincoln Fais Excalib Excerur®7018-1 Mr Datasheet).
7018 thiab lwm yam electrodes: ib qho kev sib piv
| Khoom siv hluav taws xob | Qhov Tseem Ceeb | Kev txwv | Zoo tshaj plaws rau |
|---|---|---|---|
| 7018 | Lub zog siab, hydrogen tsawg, tag nrho - txoj haujlwm muaj peev xwm | Nruj cutting (yuav tsum muaj qhov cub) | Cov txheej txheem tseem ceeb, cov hlab ntsha siab |
| 6010 | Tob nkag, dc - nkaus xwb | Porosity Yuav pheej hmoo nyob rau hauv cov xwm txheej vaum | Pipeline Cag Passes |
| 6011 | Ac / dc versatility, zam rau xeb | Txo tensile lub zog (60,000 psi) | Kev Kho General, Tsis Yog - kev fab tseem ceeb |
| 7014 | Tus Nqi Tso Cai Loj | Pluag tawm - ntawm - Txoj Haujlwm Kev Ua Haujlwm | Ca / kab rov tav Fillet Welds |
Tau qhov twg los: "Xaiv txoj cai muab tub lim hlau - part 5 smaw E7018," Lub Generator Orancast, 2012
Tseem ceeb tshaj plaws kev coj ua rau 7018
Cia thiab tuav
Baking yuav tsum tau: Preheat unpoed rods ntawm300 Qib rau 60 Feeb; rov qab muab cov pas nrig ntawm 300-350℃rau 60-120 feeb (Aws A5.1: 2021).
Hauv -} siv cia: Khaws cov pob zeb qhib hauv a100-150℃tuav qhov cub; discard if exposed to air for >4 hours (or >8 teev rau HR4 Suffix Rods).
Kev Tiv Thaiv yaav: Siv Nqus -} Cov thawv ntim hauv siab (piv txwv li av noo) kom tsis txhob muaj hydrogen {}}} Qhov tsis muaj kev tawg (Vuamweb archive, 2012).
Vuam tsis muaj
Qhov kev pom qib tam sim no sib txawv los ntawm ROD INCH:
| Qhov dav | Ac tam sim no (a) | DC + Tam Sim No (A) | Mus Ncig Ceev |
|---|---|---|---|
| 2.5mm (3/32 ") | 80–120 | 70–110 | 10-15 cm / min |
| 3.2mm (1/8 ") | 100–160 | 90–160 | 12-18 Cm / min |
| 4.0 hli (5/32 ") | 140–210 | 130–210 | 15-20 cm / min |
Tau qhov twg los: Lincoln Fais Easy EasyNTC®7018 Vuam Kaus
Cov qauv kev lag luam thiab cov qauv yav tom ntej
TusAws D1.1: 2025 qauv qauv vuam codeRov qab siv 7018 lub luag haujlwm hauv seismic {{}} illantant kev tsim kho, xav tau nws siv rau qib 80 (690 mpa) steel pob qij zog. Kev Tawm Tsam muajnoo noo -} tiv taus h4r tsim qauv(piv txwv li, esab 7018 {{4 4}} 1 Prime ur4), uas txuas rau hauv-cua sib raug rau 8 teev, thiabWaveForm -} Tswjhwm Fais fabuas ua kom zoo ACC ruaj khov los ntawm ± 2A, txo cov kab hauv qab ntawm 27% (Aws D1.1: 2025 hloov tshiab, Fabne 2025).
Xaus: Tus Qauv Kub rau Kev Ntsuas Kev Ntsuas
7018 vuam qws tseem tsis tau sib txuas hauv cov ntawv thov xav taulub zog, kev muaj zog, thiab kev ntseeg tauCov. Nws cov khoom siv hydrogen ntau, tag nrho {{{1} Txoj Haujlwm Versatility, thiab ua raws li kev xaiv thoob ntiaj teb (AWS, AWS, ABINE, AUTS, AUTYE, ASSICES hauv cov qauv kev ua lag luam thiab cov tsiaj txhu hauv ntiaj teb, thiab cov cuab yeej siv zog Los ntawm adhering rau nruj kev cai tswj kev cai thiab leverulation nws cov kws tshaj lij, cov tub txawg tuaj yeem ua kom cov kev pabcuam uas tiv thaiv ib puag ncig ntawm cov chaw hnyav.
Raws li kev lag luam hloov zuj zus, 7018 tus pas nrig txuas ntxiv mus hloov kho cov tshuab, cov neeg sib xyaw ua ke tseem tab tom koom nrog cov hlau tseem ceeb.
