A galvanized steel coil isimbi yakakungurutswa yesimbi yakavharwa nedhizaini ye zinc. Iyi zinc layer inodzivirira simbi kubva ku ngura nekukuvadzwa, zvichiita kuti coil ive yakasimba uye igare yakasimba. Kambani yedu inopa zvemhando yepamusoro galvanized simbi coil zvigadzirwa zvinonyanya kushandiswa nemafekitori uye vavaki pakuvaka, kugadzira, uye zvikamu zvemotokari. Muna 2022, angangoita mamirioni zana nemakumi mana ematani ematani emarara esimbi akagadzirwa pasi rese, neChina ichitungamira kugadzira. Zvigadzirwa zvedu zvakagadzirirwa kusangana nekukura kuri kudiwa kweakavimbika galvanized simbi coils mumaindasitiri akasiyana siyana.
Key Takeaways
Galvanized steel coil isimbi yakafukidzwa ne zinc. Zinc inobatsira kumisa ngura uye inoita kuti simbi igare kwenguva refu. Izvi zvinoita kuti simbi ive yakasimba uye yakanaka kune zvakawanda.
Kune marudzi akasiyana uye mamakisi emagalvanized steel coil. Mhando yega yega inoshanda zvakanyanya kune mamwe mabasa. Yakakora zinc coatings inodzivirira zviri nani kunze. Zvipfeko zvakatetepa zviri nani zvemukati kana zvekutaridzika.
Kupisa-dip, pre-galvanizing, uye electrogalvanizing inzira dzekuwedzera zinc. Nzira imwe neimwe inopa hukuru hwakasiyana uye kutarisa. Imwe neimwe inoshandiswa kune zvakakosha.
Galvanized simbi coil inoshandiswa zvakanyanya mukuvaka, mota, uye michina yemumba. Inobatsira kuchengetedza mari nekuti inoda kugadziriswa kushoma uye kutarisirwa kushoma.
Kunhonga coil chaiyo zvinoreva kufunga nezvekukora, zinc coating, giredhi, uye kwaichashandiswa. Izvi zvinobatsira kuve nechokwadi kuti inoshanda zvakanaka uye inogara kwenguva refu.
Galvanized Steel Coil Overview
Chii chinonzi Galvanized Steel Coil
Koiri yesimbi ine galvanized steel sheet. Inopetwa kuita coil. Iyo coil yakafukidzwa ne zinc layer. Zinc inochengetedza simbi kubva ku ngura nekuora. Mafekitori uye vavaki vakaita semarara esimbi coil. Iyo yakasimba uye inogara kwenguva refu. Inoshanda zvakanaka kunyange mumamiriro ekunze akaoma. Zinc layer inovhara mvura nemhepo. Izvi zvinobatsira kumisa ngura kubva pakuumba. Kana iyo coil iri kunze, zinc inosangana neokisijeni nehunyoro. Inogadzira firimu rakatetepa rinodzivirira coil. Iyi firimu inobatsira coil kuramba kukuvara.
Galvanized simbi coil ine zvinhu zvakawanda zvakakosha:
Property |
Typical Value |
Kukosha/Kubatsira |
Density |
Anenge 7.85 g/cm³ |
Uremu huremu hwakakodzera kune zvimiro zvekushandisa |
Surface Coating Weight |
30-350 g/m² (mativi ese) |
Inopa corrosion dziviriro inochinjika kune nharaunda |
Surface Smoothness |
Hushasha (Ra) 0.8-1.5 μm |
Inowedzera coating adhesion uye kusimba |
Thermal Conductivity |
Kusakanganiswa ne galvanizing layer |
Inokodzera kushandiswa kwekupisa kupisa |
Electrical Conductivity |
Zvishoma zvishoma pane simbi yakachena |
Inosangana neindasitiri conductivity zvinodiwa |
Coefficient of Thermal Expansion |
11.5 x 10⁻⁶/°C |
Inovimbisa kugadzikana kwedimensional pasi pekuchinja kwekushisa |
Cherechedza: Zinc layer inobatsira coil kuramba makemikari. Inoramba yakagadzikana munzvimbo dzine pH kubva pa6 kusvika 12. Iyo coil inogona kubata kupisa kusvika ku200 ° C kwenguva yakareba. Inogona kutora kusvika ku300 ° C kwenguva pfupi.
Madiro Akakosha
Vagadziri vanogadzira galvanized simbi coil muhukuru hwakawanda. Vanoitawo makobvu akasiyana. Izvo zvinonyanya kuzivikanwa ndezveukobvu, hupamhi, huremu hwekoiri, uye dhayamita yemukati. Aya anobatsira vatengi kutora iyo yakanaka coil kune zvavanoda.
Specification Parameter |
Common Range / Kukosha |
Ukobvu |
0.12 mm kusvika 0.8 mm (dzimwe kusvika 4.0 mm kana 6.0 mm) |
Upamhi |
600 mm kusvika 1500 mm (mamwe masosi 600 mm kusvika 1250 mm) |
Coil Weight |
3 kusvika ku8 metric tons (standard), kusvika ku25 metric tons pakukumbira |
Coil Inner Diameter |
508 mm kana 610 mm |
Iyo zinc yekuputira ukobvu yakakosha zvikuru. Zvinokanganisa kuti koiri inorwisa sei ngura. Inoshandurawo kuti coil inotora nguva yakareba sei. Makoiri akasiyana ane huremu hwekuputira hwakasiyana uye ukobvu. Tafura iri pazasi inoratidza marudzi akajairika uye maitiro awo:
Designation |
Zinc Coating Weight (oz/ft⊃2;) |
Hukuru hwepedyo (µm padivi) |
Typical Corrosion Resistance |
Common Applications |
G30 |
0.30 yakazara (0.15 padivi) |
~2.5 |
Chiedza chekudzivirira |
Indoor frameming, midziyo |
G60 |
0.60 yakazara (0.30 padivi) |
~5 |
Dziviriro iri pakati nepakati |
HVAC, mwenje wekunze wakagadzira |
G90 |
0.90 yakazara (0.45 padivi) |
~7.5 |
Kudzivirirwa kwepamusoro |
Denga, siding, kurima |
G235 |
2.35 yakazara (1.175 padivi) |
~20 |
Maximum kudzivirira |
Marine, guardrails, high-corrosion environments |
Nzira iyo zinc inoiswa pacoil inoshandura ukobvu hwayo. Kupisa-dip galvanizing kunoita machira akakora. Izvi zvinowanzova pakati pe45 ne100 micrometers. Electro-galvanizing inogadzira machira matete. Izvi zvinobva pa2.5 kusvika ku25 micrometer. Makobvu machira anodzivirira zvirinani asi anodhura zvakanyanya. Zvipfeko zvitete zvinotaridzika zvakapfava uye zvinoshandiswa mukati kana kushongedza.
Galvanized simbi coil inofanira kutevedzera mitemo yenyika. Iyi mitemo inoita kuti coil yakachengeteka uye yakasimba. Mimwe mipimo yakakosha ndeiyi:
Standard |
Scope / Application |
Mazano Anokosha |
ASTM A653/A653M |
Steel Sheet, Zinc-Coated (Galvanized) kana Zinc-Iron Alloy-Yakaputirwa neHot-Dip process. |
Kupfeka huremu, kunamatira, kunaka kwepamusoro, ukobvu hwekuputira hushoma, kupera, kutaridzika, kuomerera |
ASTM A924/A924M |
Zvinodiwa Zvakawanda zveSimbi Sheet, Metallic-Yakavharwa neHot-Dip process |
General coating zvinodiwa zvinosanganisira ukobvu, adhesion, uye pamusoro pemhando |
ASTM A123/A123M |
Kupisa-Dip Galvanized Coatings paSimbi neSimbi Zvigadzirwa |
Coating ukobvu kushoma, inoenderera yakatsetseka kupera, hapana nzvimbo dzisina kuvharwa, kuomerera kwakasimba muhupenyu hwesevhisi |
ISO 3575 |
Inoenderera Kupisa-Dip Zinc-Yakavharwa Carbon Steel Sheet yeKutengesera uye Kudhirowa Hunhu |
Coating ukobvu, chitarisiko, ngura kuramba |
ISO 1461 |
Kupisa Dip Galvanized Coatings paIron Yakagadzirwa uye Simbi Zvinyorwa - Zvinotsanangurwa uye Nzira dzekuedza. |
Coating ukobvu, chitarisiko, ngura kuramba |
ASTM uye ISO zviyero zvinoisa mitemo yekuputira uremu uye ukobvu.
Miedzo tarisa kuti zinc inonamira sei kusimbi uye kuti kunyange kupfekedza kuri sei.
Corrosion resistance inoedzwa nesalt spray nedzimwe nzira.
Mhando uye Magiredhi
Galvanized simbi coil inouya mumhando dzakasiyana uye mamakisi. Rudzi rumwe norumwe rune maitiro akakosha kune mamwe mabasa.
Hot-Dip Galvanized Steel Coils: Makoiri aya anogadzirwa nekunyika simbi muzinc yakanyunguduka. Izvi zvinogadzira danda gobvu, rakaomarara rinomisa ngura. Vavaki vanoshandisa macoil anopisa-dip kuzvinhu zvekunze zvakaita sematenga nemafenzi.
Electro-Galvanized Steel Coils: Makoiri aya anowana zingi nekushandisa magetsi mune imwe solution. Iro rakatetepa uye rakatsetseka. Mafekitari anoshandisa makoiri aya kumidziyo yemotokari uye midziyo inoda kutaridzika kwakanaka.
Magiredhi anoshandisa 'G' nenhamba. Nhamba yacho inoratidza kuti zinc yakawanda sei pacoil. Nhamba huru dzinoreva zinc yakawanda uye kudzivirirwa kuri nani. G60, G90, uye G275 ndiwo magiredhi akajairika.
Grade Type |
Tsanangudzo |
Typical Applications |
Commercial Grade |
Mugove mukuru wemusika; kushandiswa kwese mukuvaka |
Denga, siding |
Kudhirowa Hunhu |
Inoshandiswa mukugadzirwa kwesimbi inotonhora |
Motokari, midziyo |
High Simba Low Alloy |
High simba uye kusimba |
Mabhiriji, zvivakwa, zvikepe |
Structural Grade |
Inoshandiswa pakuvaka mabhiriji uye zvivakwa |
Zvirongwa zvemaitiro |
Vamwe |
Specialty mamakisi ane chaiwo zvivakwa |
Various specialized application |
Mechanical properties inoshanduka negiredhi rega rega. Tafura iri pazasi inoratidza kuti simba uye kuchinjika kwakasiyana sei:
Giredhi |
Tensile Simba (MPa) |
Goho Simba (MPa) |
Elongation (%) |
Core Advantage |
Typical Application/Processing |
Commercial Giredhi (CS) |
270 - 410 |
N/A |
≥ 20 |
Basic rustproofing, general simba |
Kukotama kuri nyore uye kucheka (hapana kutsika kwakadzika) |
Structural Giredhi (SS) |
340 - 550 |
≥ 230 |
Pakati nepakati |
High simba uye weldability |
Kutakura-kutakura, welding, mabhaudhi zvinongedzo |
Dhirowa Giredhi (D) |
Pakati nepakati |
N/A |
≥ 30 |
High ductility uye yunifomu elongation |
Kudhinda kwepakati nepakati |
Yakawedzera Deep Drawing Giredhi (EDD) |
Lower |
N/A |
≥ 40 |
Kunyanya kuumbwa, kuramba kuonda |
Complex stamping nechaizvo molds |
High Strength Structural Giredhi (HSS) |
550 - 980 |
Goho reshiyo ≤ 0.85 |
Pakati nepakati |
Yepamusoro-simba-ku-huremu reshiyo, yakakwirira simba kutorwa |
Specialized processing (laser kucheka, hydraulic molding) |
Galvanized simbi coil ine akasiyana epamusoro kupera:
Regular Spangled: Unogona kuona zinc makristasi. Inoshandiswa pakugadzira.
Minimized Spangle: Makristasi madiki anoita nzvimbo yakatsetseka. Inoshandiswa mumotokari nemidziyo.
Zero Spangle: Hapana makristasi anoonekwa. Nzvimbo yacho inopenya uye yakatsetseka. Inoshandiswa mumaindasitiri ezvekudya nemakemikari.
Specialty Coatings: Mamwe macoil ane mamwe mataira ezvigunwe, mabhakitiriya, kana kupisa.
Zano: Sarudza mhando uye giredhi rakakodzera rebasa rako. Makobvu machira uye mamakisi epamusoro akanakira kunze kana nzvimbo dzakaoma. Mapeti matete uye kupera kwakatsetseka kwakanakira mukati kana kushongedza.
Nzira dzekugadzira
Hot-Dip Galvanizing
Kupisa-dip galvanizing ndiyo inonyanya kufarirwa nzira yekudzivirira makoiri esimbi. Kutanga, vashandi vanochenesa simbi. Vanochera uye vanoita kuti pasi. Zvadaro, vanonyika coil mu zinc yakanyunguduka. Izvi zvinogadzira yakasimba zinc-iron alloy layer. Mushure mekunyura, coil inotonhorera pasi. Vashandi vanoibata nepassivation uye mafuta. Aya matanho anobatsira chimuti chekuputira uye kutarisa zviri nani. Inspectors tarisa ukobvu uye kuti iyo yekupfeka inotaridzika sei. Zvadaro, coil inozara. Zinc layer yakakora, kazhinji 45 kusvika 85 micrometer. Izvi zvinoenderana nemitemo yeASTM seA123 uye A653. Iyo nzira inobatsira simbi kurwisa ngura nekukwenya. Yakanakira zvivakwa zvekunze uye mabasa akaomarara.
Process Flow:
Gadzirira uye chenesa zvinhu
Pickle uye bvisa girizi
Geza uye usarerekera
Wedzera pretreatment coating
Nyora mu zinc yakanyunguduka
Kutonhorera uye kubata coil
Gadzirisa uye cheka coil
Ongorora kunaka
Cheka uye uumburudze mumakoiri
Rongedza uye kutumira chigadzirwa
Pre-Galvanizing
Pre-galvanizing inoitika pachigayo chesimbi isati yaumbwa. Vashandi vanochenesa simbi kutanga. Zvadaro, vanoifambisa kuburikidza ne zinc yakanyunguduka mumutsetse. Izvi zvinogadzira kutsetseka uye kunyange zinc layer. Iyo yekupfekedza inowanzoita 20 kusvika 30 micrometer gobvu. Iyo yekupedzisira inopenya uye iri nyore kugadzira. Simbi yepre-galvanized inodhura zvishoma uye inoshanda zvakanaka kumabasa makuru. Asi, mipendero yakachekwa uye welds inogona kuratidza simbi isina chinhu. Izvi zvinoreva kudzivirirwa kushoma ngura. Pre-galvanizing yakanakira zvinhu zvemukati kana zvikamu zvinoda kutaridzika zvakanaka.
Feature |
Hot-Dip Galvanizing |
Pre-Galvanizing |
Coating Ukobvu |
45-85μm |
20-30μm |
Coverage |
Yakazara, kusanganisira mipendero |
Kwete pamacheto |
Finish |
Variable |
Uniform, yakajeka |
Best Use |
Kunze, kunorema-basa |
Indoor, zvikamu zvinooneka |
Electrogalvanizing
Electrogalvanizing inoshandisa magetsi kuvhara simbi ne zinc. Vashandi vanotanga kuchenesa simbi. Zvadaro, vanoiisa mune imwe sarudzo inokosha. Zinc ions inonamira kune simbi uye inogadzira yakaonda, kunyange yakatsetseka. Iyo yekupfekedza inowanzoita 5 kusvika 25 micrometer gobvu. Electrogalvanized steel inotsvedzerera uye inopenya. Inokotama nyore uye inodzivisa ngura munzvimbo dzine mvura. Zviri nyorewo kupenda. Vanhu vanoishandisa kuita zvidimbu zvemotokari, midziyo yemagetsi, nemagetsi. Maitiro acho anotevera ASTM A879 mitemo. Zvakanaka kune zvigadzirwa zvinoda nzvimbo yakanaka uye imwe yekudzivirira ngura.
Cherechedza: Electrogalvanized steel inoshanda zvakanyanya mukati uye pasi pepende. Inomisa ngura zvakanaka asi haidziviriri kubva pakupfekwa senzira dzekupisa-dip.
Galvanealing
Galvanealing inosanganisa galvanizing nekudziya. Mushure mekupisa-dip galvanizing, vashandi vanopisa simbi yacho zvakanyanya. Izvi zvinogadzira zinc-iron alloy layer. Iyo layer inobatsira ne welding nekupenda. Galvanealed simbi iri nyore kuisa uye kuumba. Inoshandiswa mumotokari, zvivakwa, uye midziyo. ASTM A653 inopa mitemo ye galvanealed simbi coil. Izvi zvinoita kuti kunaka uye kushanda kwakadzikama.
Features uye Benefits
Corrosion Resistance
Simbi ine galvanized haiite ngura zviri nyore nekuda kwe zinc yairi. Zinc layer inodzivirira simbi iri pasi. Kana mvura kana mhepo yabata coil, zinc inotanga kuita. Izvi zvinogadzira nhovo inomisa okisijeni nemvura kuti isasvike pasimbi. Iyo zinc layer inogadzirawo yakakosha makomisheni senge zincite (ZnO), hydrozincite, uye Simonkolleite. Mishonga iyi inoumba firimu gobvu. Iyo firimu inoderedza ngura uye inochengetedza simbi yakachengeteka. Kunyangwe iyo coil ikakweshwa kana kucheka, zinc inoramba ichiidzivirira. Iyo zinc coating inoshandura mabatiro anoita simbi kune ngura. Zinc layers dzakakora dzinopa dziviriro yakawanda. Vanogara kwenguva refu munzvimbo dzakaoma.
Iyo zinc coating inopera simbi isati yaita.
Mafirimu anodzivirira anovhara okisijeni nemvura kubva musimbi.
Iyo yekupfekedza inozvigadzirisa pachayo pamakwara kana kucheka.
Zinc-rich primers inopa dziviriro yakawedzerwa mumamiriro akaoma.
Miedzo inoratidza galvanized simbi inodzivisa ngura zviri nani pane plain simbi. Izvi ndezvechokwadi munzvimbo dzine mvura kana kunze.
Muenzaniso |
Corrosion Rate (50°C) |
Main Corrosion Products |
Product Morphology |
Q235 simbi |
1 |
Fe3O4 |
Loose |
Simbi isina kuparadzwa |
0.07 |
ZnO |
Dense |
Simbi yakakuvara |
0.66 |
Fe3O4 + ZnO |
Dense |
Durability uye Maintenance
Iyo zinc coating inobatsira galvanized simbi kugara kwenguva refu. Inoshanda zvakanaka kunze mumvura, zuva, uye mhepo. Vanhu vanoishandisa kugadzira matenga, fenzi, uye michina. Simbi isina tsvina inogara kwenguva yakareba munzvimbo dzakaoma zvikuru. Asi galvanized simbi inodzivirira zvakanaka uye inodhura zvishoma. Nokufamba kwenguva, zinc layer inogona kupera. Kuongorora nguva dzose uye kugadzirisa nyore kunoita kuti simbi yakasimba.
Zano: Chengeta marata munzvimbo dzakaoma. Putira makoiri kuti uzvidzivirire. Tarisa mvura nguva zhinji. Kana ukaona kukanganisa, gadzirisa nependi ine zinc-rich kana spray.
Maitiro ekugadzirisa anokurudzirwa:
Shandisa makemikari kana mafuta kumisa kupokana uye kukanganisa.
Putira makoiri nemapepa kana epurasitiki paunenge uchichengeta kana kutumira.
Tarisa mvura nemakoiri akaoma ipapo ipapo kana akanyorova.
Gadzirisa kurongedza nekukasira kumisa kukwenya.
Chengetedza makoiri mumakamuri anodzorwa nemamiriro ekunze. Usazvichengeta kwenguva yakareba.
Kubudirira Kwemari
Simbi yakabatiswa inopa kukosha kwakanaka kwemari. Inodhura kupfuura simbi isina chinhu pakutanga. Asi yakachipa pane simbi isina tsvina kana coils yakapendwa. Iyo zinc coating inoreva kushoma kugadzirisa uye kushoma kupenda. Izvi zvinochengetedza mari nekufamba kwenguva.
Mutengo Aspect |
Kupisa-Dip Galvanized Simbi |
Painted Steel System (Two-Coat) |
Mutengo Wokutanga |
Kukwikwidzana kana kuderera |
Dzimwe nguva yakakwirira kana yakafanana |
Kuchengeta Kwegore |
$0.03 pagore |
$0.15 pagore |
Nzvimbo Hupenyu |
30 years |
30 years |
Kuchengeta Kunodiwa |
Hapana |
Nguva dzose kupenda |
Hupenyu-Kutenderera Mutengo |
Kazhinji mutengo wekutanga chete |
Zvakawanda zvakanyanya nekuda kwekuchengetedza |
Simbi yakagadziriswa inobatsira kuderedza mari munguva refu. Inoda kugadziriswa uye kugadziriswa zvishoma. Inochengetedzawo simba muzvivako. Izvi zvinoita kuti ive sarudzo yakangwara yekuvaka nekugadzira zvinhu.
Zvishandiso zveGalvanized Steel Coil
Kuvaka uye Denga
Galvanized simbi coil yakakosha pakuvaka. Vavaki vanoishandisa kugadzira matenga, madziro, mapango, uye mbariro. Zinc layer inochengetedza zvivakwa kubva ku ngura uye nemamiriro ekunze akaipa. Izvi zvinoita kuti ive sarudzo yakanaka yekushandiswa kwekunze. Yakasimba uye haityoki nyore. Inogara kwenguva yakareba munzvimbo dzakaoma. Vazhinji vavaki vanotora galvanized simbi koiri yezvivakwa zvesimbi, marata, uye mapaneru emadziro. Inenge hafu yeese magalvanized steel coil inoshandiswa pakuvaka. Mamwe maguta nemapurojekiti matsva anoita kuti kudiwa kwechinhu ichi kukure, kunyanya muAsia-Pacific.
Kugadzira uye Zvemotokari
Mafekitari anoshandisa galvanized steel coil nekuti yakaoma uye iri nyore kugadzira. Vagadziri vemota vanoshandisa inopisa-dip galvanized coils kumitumbi yemotokari, mafuremu, uye zvikamu zvepasi. Zinc layer inomisa zvikamu izvi kubva kuita ngura. Izvi zvinobatsira kuti mota dzigare dzakachengeteka uye dzishande zvakanaka. Makambani emotokari muChina neIndia anoshandisa mamwe galvanized steel coil izvozvi. Vanoda mota dzakareruka uye dziri nani. Dzimwe mota dzemagetsi zvinorevawo kudiwa kwakawanda kwezvinhu izvi. Mitemo mitsva pamusoro pekusvibiswa uye kuchengetedza mafuta inoita kuti makambani ashandise galvanized steel coil. Nzira dzekupfekedza dziri nani uye mafekitori emuno anobatsira kuzadzisa kudiwa kukuru munzvimbo idzi.
Zvimwe Zvishandiso
Galvanized simbi coil inoshandiswa kune zvinopfuura zvivakwa uye mota chete. Vagadziri vemidziyo vanoishandisa kune washers, mafiriji, uye air conditioners. Haina ngura uye inotaridzika zvakanaka. Izvo zvinyorwa zvinoshandiswa zvakare mugirinhi simba uye smart mapurojekiti eguta. Motokari dzemagetsi uye simba rakasvibira zvinoda simbi isingaite ngura yezvinhu zvitsva. MuAsia-Pacific, inopfuura chikamu chimwe muzvina chesimbi yakabatiswa coil inoshandiswa pamidziyo. Mapurojekiti matsva eguta uye mamwe mafekitori anoita kuti kudiwa kwesimbi iyi kukwire. Makambani ave kushandisa tekinoroji nyowani kugadzira zvigadzirwa zvesimbi zvakangwara uye zvakakosha zvemisika mitsva iyi.
Kufunga Nezvinogumira
Kusarudza Koiri Yakarurama
Kutora koiri yesimbi yakakodzera yebasa kwakakosha. Unofanira kufunga pamusoro pezvinhu zvakawanda. Izvi zvinhu zvinoshandura kuti coil inoshanda sei uye kuti inogara kwenguva yakareba sei.
Ukobvu : Simbi yakakora inobata huremu hwakawanda uye inogara kwenguva refu. Vavaki vanoshandisa makoiri akakora ematanda nezvikamu zvakasimba. Makoiri matete akanakira zvinhu zvakareruka semadhaivhu emhepo.
Coating Weight : Iyo zinc coating inochengeta ngura kure. Heavy coatings, seG90, yakanakira nzvimbo dzakanyorova kana dzine munyu. Machira akareruka, seG60, akanakira mukati kana nzvimbo dzakapfava.
Giredhi : Giredhi rega rega rine simba rayo uye kubhenda. Magiredhi akasimba akanaka kana uchida simbi yakaoma. Flexible mamakisi ari nani kana uchida kupeta kana kuumba coil.
Upamhi uye Kureba : Saizi yakasarudzika inobatsira kukwana purojekiti yega yega. Izvi zvinoita kuti kuvaka nekugadzira zvive nyore.
Zvimwe Zvaunofunga : Funga nezvemutengo, rudzi rwebasa, uye kwauchashandisa coil. Kupisa-dip kana electrogalvanizing inotorwa zvichienderana nezvaunoda.
Zano: Gara uchitarisa mitemo yeindasitiri uye tarisa kunaka kwemutengesi wako usati watenga.
Zvinhu Zvakatipoteredza
Nzvimbo yaunoshandisa simbi coils inogona kuchinja mabatiro avanoita. Munyu uri mumhepo pedyo negungwa unopwanya zinc nekukurumidza. Kusvibiswa kunobva mumafekitari kunoita mvura ine acid inopedza zinc. Kuchengeta makoiri munzvimbo dzine unyoro kunogona kuteya mvura uye kukonzeresa ngura chena. Kupisa kukuru kunobva mukunama kana kuchekwa kunogona kupisa zingi uye kusiya simbi yakavhurika kuita ngura.
Environment |
Main Risk |
Chiito Chekudzivirira |
Coastal |
Munyu spray, pitting |
Shandisa heavy zinc coating |
Industrial |
Acid mvura, ngura |
Shandisa passivation, chisimbiso micheto |
Humid Storage |
White ngura kugadzira |
Chengetedza munzvimbo yakaoma, ine mhepo |
Nyaya Dzakajairika
Simbi makoiri anogona kuva nematambudziko kana akashandiswa kana kuchengetwa:
Ngura chena inogona kuoneka kana mvura ikaramba iri pacoil, kunyanya kana passivation isina kuitwa zvakanaka.
Kukwenya, kucheka, kana welding zvinogona kukuvadza zinc layer uye kuita ngura zvakanyanya.
Kana zinc isina kana simbi ine tsvina, mavara asina simba anogona kuumba.
Mavara matema anogona kuitika kana ngura chena ikaramba ichikura.
Kuchengeta makoiri zvisiri izvo, senge munzvimbo dzine mvura, kunoita kuti ngura iwande.
Cherechedzo: Bata makoiri nekungwarira, atarise nguva nenguva, uye achengete zvakanaka kuti amise matambudziko mazhinji.
Koiri yesimbi inochengetedza simbi kuti isave nengura. Inomisawo kukanganisa. Nyaya iyi yakasimba uye inogara kwenguva refu. Zvinobatsira kuchengetedza mari zvakare. Vavaki vanoishandisa kugadzira matenga nemadziro. Vagadziri vanoishandisa kune mota nemidziyo. Vatengi vanofanirwa kutarisa ukobvu uye uremu hwekuputira. Vanofanirawo kutarisa giredhi. Miyero yeASTM inobatsira kuve nechokwadi chekuti coil yakanaka. Humidity nemunyu mumhepo zvinogona kushandura mashandiro azvinoita. Kutora coil chaiyo kunopa mhedzisiro iri nani.
FAQ
Ndechipi chinangwa chikuru chegalvanized steel coil?
Koiri yesimbi inoita kuti simbi isaite ngura kana kukuvara. Zinc layer inoshanda senhoo. Vavaki nemafekitari vanoishandisa kugadzira zvikamu zvinogara kwenguva refu uye zvinogara zvakasimba.
Ko zinc inodzivirira sei ngura?
Zinc inosangana nemvura nemhepo simbi isati yaita. Izvi zvinogadzira tambo yakakosha pamusoro. Iyo layer inomisa mvura nemhepo kubata simbi.
Vanhu vanowanzoshandisa kupi koiri yesimbi?
Vanhu vanoshandisa coil yerata mukuvaka, kugadzira mota nekugadzira midziyo. Yakanakira matenga, zvikamu zvemotokari, uye zvidimbu zvemuchina.
Koiri yesimbi inogona kupendwa here?
Iwe unogona kupenda galvanized simbi coil. Nzvimbo yacho inoda kutanga yakachena uye yakaoma. Special primers inobatsira pende inonamatira kune zinc layer.
Ndezvipi zviyero zvinoshanda kune galvanized steel coil?
ASTM A653 uye ISO 3575 ndiyo mitemo mikuru yemagalvanized steel coil. Mitemo iyi inotaura nezvekukora kwakaita coating, mataridzike epamusoro, uye kuti inorwisa sei ngura.
