Yuav Ua Li Cas Weld Weathering Steel: Daim Ntawv Qhia Ua tiav

Weathering steel, tseem hu ua Corten steel, yog dav nrov rau nws qhov tshwj xeeb zoo nkauj txaus siab thiab superior tiv thaiv atmospheric corrosion. Nws yog feem ntau siv rau hauv kev tsim kho thiab engineering tej yaam num, xws li txuas hniav, sculptures, thiab sab nraum zoov qauv. Cov yam ntxwv tseem ceeb ntawm huab cua steel yog nws lub peev xwm los tsim kom ruaj khov, xeb- zoo li txheej tiv thaiv, tiv thaiv corrosion ntxiv thiab ua rau nws zoo tagnrho rau kev siv sab nraum zoov. Cov lus qhia no yuav coj koj los ntawm cov txheej txheem vuam rau Corten steel, suav nrog cov ntsiab lus tseem ceeb, cov tswv yim pom zoo, thiab tshaj tawm - cov lus qhia txog kev kho vuam.

Dab tsi yog weathering steel?

Weathering steel yog qis- carbon steel alloy uas muaj tooj liab, chromium, npib tsib xee, thiab phosphorus. Cov ntsiab lus no pab cov hlau tsim cov txheej txheem tiv thaiv, hu ua patina, thaum raug cua, los nag, thiab noo noo, yog li tiv thaiv kom tsis txhob muaj xeb. Thaum lub sij hawm, lub patina no muab cov hlau nws txawv reddish - xim av tsos, tso cai rau nws muab ib txwm nyob rau hauv nws ib puag ncig.

Weathering steel (Corten steel) yog lub npe lag luam npe, thiab nws tau nrov zuj zus hauv cov qauv thiab kev siv kos duab vim nws cov kav ntev thiab zoo nkauj ua tiav.Welding ntawm weathering steeltau dhau los ua ib feem tseem ceeb ntawm cov haujlwm uas sib npaug ntawm lub zog thiab kev pom zoo.

Properties ntawm weathering steel

Ib qho ntawm cov laj thawj vim li cas huab cua steel nrov yog nws cov khoom tshwj xeeb, suav nrog:

Corrosion Resistance: Lub patina uas tsim rau saum npoo tiv thaiv cov khoom los ntawm kev xeb ntxiv, ua rau nws zoo tagnrho rau ntev - lub sij hawm raug sab nraum zoov.

Lub zog siab: Weathering steel muaj lub zog tensile siab, ua rau nws haum rau kev thauj khoom -cov ntaub ntawv bearing.

Aesthetics: Lub ntuj xeb nyhuv ntxiv qhov tshwj xeeb saib, ua rau nws zoo tagnrho rau kev tsim vaj tsev thiab kos duab.

Tus nqi kho qis: Lub patina tiv thaiv cov hlau los ntawm huab cua, txo qhov xav tau ntawm kev tu thiab pleev xim.

Cov khoom no ua rau vuam weathering steel yog ib qho tseem ceeb rau cov tub txawg ua hauj lwm nrog nws.

Welding Weathering Steel: Cov ntsiab lus tseem ceeb

Vuam weathering steel zoo ib yam li vuam qis- carbon steel, tab sis yuav tsum tau saib xyuas ntxiv nrog rau cov khoom muab tub lim thiab cov txheej txheem vuam. Qhov kev sib tw tseem ceeb hauvwelding weathering hlauyog ua kom ntseeg tau tias cov txheej txheem vuam tsis cuam tshuam cov hlau corrosion kuj.

Thaum welding weathering steel, nws yog ib qho tseem ceeb rau xaiv cov hlau muab tub lim uas phim cov tshuaj muaj pes tsawg leeg ntawm lub hauv paus hlau. Qhov no ua kom ntseeg tau tias qhov sib koom ua ke khaws cov hlau tshwj xeeb, nrog rau nws cov corrosion kuj.

Pom zoo welding cov txheej txheem rau huab cua steel

Nyob ntawm cov khoom thickness thiab kev siv kawg, ntau yam kev siv vuam siv taurau huab cua steel :

Manual arc welding (SMAW): Kev tuav arc vuam yog qhov zoo tagnrho rau kev sib txuas ntawm cov qauv thiab muaj ntau yam thaum ua haujlwm nyob rau sab nraum zoov.

TIG Welding (GTAW): TIG vuam tshuab muaj npe nrov rau lawv cov precision thiab yog qhov zoo tshaj plaws rau kev nplua, huv si vuam ntawm weathering steel, tshwj xeeb tshaj yog rau cov haujlwm zoo nkauj.

MIG welding (GMAW): MIG welding yog txoj kev vuam ceev tshaj plaws thiab tsim nyog rau cov txheej txheem cua sov. Nws yog ib qho kev siv tau zoo thiab muaj ntau yam vuam txoj kev.

Nyob ntawm daim ntawv thov thiab xav tau lub zog, cov txheej txheem vuam no tuaj yeem siv rau txhua qhovwelding weathering hlau. Thaum welding weathering steel siv MIG vuam, nws raug nquahu kom siv cov khoom sib xyawCO₂thiabAr-CO₂ shielding gaseskom tau ib tug smoother arc thiab tsawg spatter.

Yuav ua li cas xaiv cov khoom siv vuam tsim nyog rau huab cua steel

Thaum welding weathering steel, cov cuab yeej zoo yog qhov tseem ceeb raws li cov txheej txheem vuam kom raug thiab vuam hlau. Txhawm rau ua tiav cov txiaj ntsig zoo tshaj plaws, xaiv qhov siab - cov cuab yeej vuam zoo thiab cov khoom siv tshwj xeeb tsim rau huab cua steel yog qhov tseem ceeb heev. Txawm hais tias koj tab tom ua haujlwm ntawm qhov project me me, zoo nkauj zoo nkauj lossis daim ntawv thov loj, cov khoom siv vuam txhim khu kev qha ua kom muaj zog thiab zoo nkauj zoo nkauj welds. Nco ntsoov sab laj nrogcov khoom siv vuam vuamtxhawm rau nrhiav cov cuab yeej tsim nyog tshaj plaws, cov khoom siv hluav taws xob, thiab cov khoom siv rau vuam huab cua, kom ntseeg tau tias txhua qhov vuam muaj qhov ua tau zoo thiab ua haujlwm ntev.

Tej teeb meem: Welding weathering steel

1. Dab tsi yog qhov zoo tshaj plaws vuam txheej txheem rau huab cua steel?

Qhov zoo tshaj plaws vuam txheej txheem rau weathering steel nyob ntawm nws thickness thiab daim ntawv thov. Kev tuav arc vuam (SMAW) yog qhov tsim nyog rau kev sib txuas ntawm cov qauv, argon arc vuam (GTAW) yog qhov zoo tagnrho rau kev huv, meej welds hauv kev siv zoo nkauj, thaum roj hlau arc vuam (GMAW) yog qhov ceev tshaj plaws thiab tsim nyog rau cov seem thinner. Thov xaiv txoj kev vuam tsim nyog raws li qhov xav tau ntawm qhov project.

2. Kuv puas tuaj yeem vuam cov hlau tsis muaj kev cuam tshuam rau nws cov corrosion kuj?

Welding weathering hlauyuav tsis cuam tshuam nws corrosion kuj yog tias cov txheej txheem vuam zoo. Tus yuam sij yog siv vuam hlau sib xws nrog lub hauv paus hlau, xws liAWS E7018los yogQauv: ER70S-6, uas tswj kev ncaj ncees ntawm lub hauv paus hlau lub corrosion kuj. Tsis tas li ntawd, kev tswj cov khoom siv hluav taws xob thiab ua kom zoo tshaj plaws - kev kho vuam yog qhov tseem ceeb rau kev khaws nws cov txheej txheem oxide tiv thaiv.

3. Tom qab welding weathering steel, yuav ua li cas kom phim nws nto xeb txheej?

Tom qabWeathering steel yog welded, qhov chaw welded yuav pib saib txawv ntawm cov khoom nyob ib puag ncig vim qhov txawv ntawm cov xim thiab kev ntxhib los mos. Kom phim cov nyhuv xeb nrog cov khoom nyob ib puag ncig,huab cua acceleratorstuaj yeem siv los ua kom cov txheej txheem xeb, lossis cov hlau tuaj yeem tso cai rau huab cua raws sijhawm. Txawm li cas los xij, nyob ntawm ib puag ncig, cov txheej txheem no tuaj yeem siv sijhawm ntau lub lis piam lossis ntau lub hlis.

4. Cov huab cua hlau puas tuaj yeem pleev xim tom qab vuam?

Huab cua steelpaub txog nws lub peev xwm los tsim kev tiv thaiv patina uas yuav tsum tsis muaj kev pleev xim. Txawm li cas los xij, nws tuaj yeem pleev xim yog tias xav tau. Nws raug nquahu kom siv cov xim tshwj xeeb uas tsim los rau cov huab cua huab cua los tiv thaiv corrosion thiab ua kom ntev - tiv thaiv ntev. Yog tias huab cua huab cua raug huab cua hnyav, patina tseem yuav tsim ib txwm muaj, thaum cov xim tuaj yeem tev tawm.

5. Dab tsi ntawm cov hlau muab tub lim yuav tsum tau siv thaum vuam weathering hlau?

Rauwelding weathering hlau, pom zoo vuam hlau muaj xws liAWS E7018 for shielded metal arc welding and Qauv: ER70S-6rau MIG welding. Cov xov hlau no muaj cov khoom siv kho tshuab zoo thiab kev tiv thaiv corrosion uas phim lub hauv paus hlau. Rau cov ntawv siv me me ntau dua lossis kom ua tiav qhov kev tshaj tawm zoo tshaj -welding tau, koj tuaj yeem txiav txim siab siv qis- alloy vuam hlau tshwj xeeb tsim los rau huab cua steel.

6. Dab tsi yog qee qhov teeb meem thaum vuam weathering steel?

Welding weathering hlaunthuav tawm ntau qhov kev sib tw, suav nrog kev pheej hmoo ntawm kev tawg vim nws cov ntsiab lus alloy siab thiab qhov muaj peev xwm txo qis hauv corrosion kuj ntawm tshav kub- cuam tshuam cheeb tsam. Tsis tas li ntawd, tsim ib txheej oxide txheej tom qab vuam yog qhov nyuaj. Txhawm rau daws cov teeb meem no, cov ntaub ntawv preheating, tswj cov khoom siv hluav taws xob, thiab siv cov khoom siv hlau uas tsim nyog yog cov kauj ruam tseem ceeb los xyuas kom muaj kev vam meej.