galvanized dade .

Nea ɛyɛ galvanized dade .

Galvanization anaa galvanizing yɛ adeyɛ a wɔde zinc coating a ɛbɔ ho ban gu dade anaa dade so, de siw rusting. ɔkwan a wɔtaa fa so no ano ne hot-dip galvanizing, a wɔde afã horow no kata so denam nsu a wɔde gu nsu mu wɔ zinc a ɛyɛ hyew, a ayɛ nwini.

Mfaso a ɛwɔ galvanized dade so .

Ka a Edi Kan a Ɛba Fam a Ɛba Fam .

Galvanizing yɛ nea edi kan no ho ka a ɛba fam sen nneɛma afoforo pii a wɔtaa kyerɛ de bɔ dade ho ban. (adwuma a wɔde kata so a wɔde kata so kɛse te sɛ mfoniniyɛ ho ka no akɔ soro koraa sen ɛka a wɔbɔ wɔ adwumayɛbea dwumadi te sɛ galvanizing.) ho.

Nsiesie a ɛba fam/ɛka a ɛba fam sen biara .

Wɔ nsɛm a ɛfa galvanizing ho ka a edi kan no ho mpo no, ɛkame ayɛ sɛ galvanizing no bo yɛ mmerɛw sen biara wɔ bere tenten mu (efisɛ ɛkyɛ na ɛho nhia sɛ wosiesie no kɛse). na, nsiesie no de ɔhaw ahorow ba na ɛde ka ho bere a adan no wɔ mmeae a ɛwɔ akyirikyiri no, ne bere a afifide a wɔto mu anaasɛ ɔhaw a wɔde ba nneɛma a wɔyɛ so no ka ho{1}}

Nkwa tenten .

Nkwa nna a galvanized coatings wɔ typical structural members so no boro mfe 50 wɔ nkuraase tebea dodow no ara mu, na mfe 20 kosi 25 a wɔde ka ho, mpo wɔ nkurow akɛse ne mpoano a emu yɛ den mu.

Ahotoso .

Wɔde galvanizing kɔ Australia / New Zealand Standard 4680, na wɔde standard, minimum coating thicknesses di dwuma. coating Life na adwumayɛ yɛ nea wotumi de ho to so na wotumi hyɛ ho nkɔm.

Nkataso a ɛyɛ den sen biara .

A galvanized coating wɔ soronko metallurgical nhyehyɛe a ɛma ɛda nsow resistance to mfiridwuma sɛe wɔ akwantu, erection ne ɔsom.

Ahobanbɔ a ɛyɛ adwuma ankasa ma mmeae a asɛe .

Galvanized coatings corrode preferentially to steel, a ɛma cathodic anaa afɔrebɔ ahobammɔ ma mmeae nketewa a ɛda adi denam ɔsɛe. a ɛnte sɛ organic coatings, mmeae nketewa a asɛe hia touch up.

Ahobammɔ a edi mũ .

Wɔabɔ asɛm bi a wɔde galvanized ayɛ no fã biara ho ban, mpo ɛyɛ ntwea so, ntwea a ɛyɛ nnam ne mmeae a wontumi nkɔ hɔ. a wɔde kata so biara a wɔde gu ɔdan anaa nea wɔayɛ so bere a wɔawie akyi no ntumi mma ahobammɔ koro no ara.

Nhwehwɛmu a ɛyɛ mmerɛw a wɔde hwɛ nneɛma mu .

Wɔde aniwa susuw galvanized coatings ho ntɛm, na wobetumi de akwan a ɛyɛ mmerɛw a ɛnyɛ sɛe a wɔde sɔ nneɛma a ɛyɛ den hwɛ no adi dwuma. galvanizing nhyehyɛe no te sɛ nea sɛ ade a wɔde kata so no da adi sɛ nnyigyei ne nea ɛkɔ so a, ɛyɛ nnyigyei ne nea ɛkɔ so.

Bere a wɔde si hɔ ntɛmntɛm .

Sɛnea wogye galvanized steel members no wɔasiesie wɔn ho sɛ wɔde bedi dwuma. bere biara nni hɔ wɔ beae no wɔ beae a wosiesie, mfoniniyɛ ne nhwehwɛmu. bere a wɔaboaboa nhyehyɛe no ano awie no, wɔasiesie wɔn ho ntɛm ara sɛ wɔde bedi dwuma, anaasɛ wɔde bɛyɛ adansi fã a edi hɔ.

Dɛn nti na ɛsɛ sɛ wɔpaw yɛn .

Nneɛma a ɛyɛ papa .

Wonim Promisteel sɛ ɛde dadeɛ nneɛma a ɛyɛ papa a ɛyɛ den na wotumi de ho to so. su no yɛ awerɛhyem sɛ ɛnam sɔhwɛ a emu yɛ den ne nneɛma pa a wɔhwɛ so.

Kuw a wɔwɔ osuahu .

Promisteel wɔ adwumayɛfo kuw a wɔn ho akokwaw a wɔwɔ nimdeɛ a ɛkyɛn so wɔ nnwuma no gua so nsɛm ne adetɔfo ahiade ho.

Adetɔfo som adwuma .

Promisteel ahyɛ bɔ sɛ wɔbɛma adetɔfoɔ a wɔyɛ soronko wɔ atɔfoɔ ho. wobɛtumi ahwɛ kwan sɛ wɔbɛsom ntɛm na wɔayɛ no yie afiri wɔn animdefoɔ kuo no hɔ.

bo a wɔde si akan .

Promisteel de bo a ɛyɛ den ma wɔ wɔn dade nneɛma ho a ɛmma ɛnyɛ nea ɛyɛ papa. Eyi ma wɔyɛ ɔkwan a ne bo yɛ den ma adetɔfo.

Nnipa a wɔyɛ adwuma yiye .

Hwɛ sɛ ɔsomfoɔ no wɔ nimdeɛ ne nimdeɛ a ɛhia a wode bedi w’ahiadeɛ pɔtee ho dwuma.

Nneɛma ahorow a wɔde galvanized ayɛ .

Dade a wɔde galvanized ayɛ a ɛyɛ hyew .
Hot-dipped galvanizing uses an immersion technique whereby the steel is dipped in a bath of molten zinc. The duration of immersion in the bath determines the thickness obtained. A metallurgical bond is formed between the zinc surface and the steel.This bond provides the major difference between electroplating and hot-dipped zinc. Hot-dipping creates an intermediate alloy layer between the highly pure Zinc ne dadeɛ. Saa mfimfini layer yi ma corrosion ahobanbɔ no dodoɔ a ɛho hia ma dadeɛ nnyinasoɔ adeɛ. zinc layer a ɛho tew no yɛ adwuma sɛ akwansideɛ de bɔ dadeɛ no ho ban na ɛma ne su kɔla ne ne su a ɛda adi. no ma nsuo a ɛwɔ mu no ma nsakraeɛ beaeɛ a ɛko tia ntua a ɛba wɔ dadeɛ a ɛwɔ nnyinasoɔ no so{10}}}}}}}}}

dade a wɔde anyinam ahoɔden ayɛ a wɔde galvanized ayɛ .
Electroplated galvanized steels no wɔ pure zinc outer layer nanso enni intermediate alloy layer a ɛfrafra dade ne zinc{0}}Galvanized surfaces no bɛhwere spangle no na ayɛ grey zinc oxide film a ɛyɛ slight to tooth or fuzziness to them{1}} ɛtɔ da bi a galvans no gyae gal no nsɛe no rennyin nkɔso Ahobanbɔ.

Ansa na wɔreyɛ galvanizing .
Afei nso te sɛ hot-dip galvanizing kwan no, nanso wɔyɛɛ no wɔ adeyɛ no fã a edi kan koraa no mu. pre-galvanizing yɛ adeyɛ a ɛfa rolling sheet metal nam cleaning agent so ntɛmntɛm prime nneɛma ma galvanizing{3}} afei, dade no fa pool of molten nsu zinc na is immediately recoiled on leate on this method of aly advantage of advantages of advantages of advantages of ables of Unified coating sen atetesɛm hot-dipped kwan.

Nea nnwuma ahorow de galvanized dade di dwuma .

Mframa & owia ahoɔden adwumayɛbea ahorow .
Ɛsɛ sɛ owia adwumayɛ nya adwumayɛ nhyehyɛe a ɛkɔ so bere a wɔde ahyɛ mu bere a wɔde ahyɛ mu no na nsiesie biara/siesie no de ɔhaw ba ɔsom mu (A{0}}K.A. sika a wonya no ayera). Eyi kyerɛ sɛ dade a wɔde galvanized galvanized ayɛ hot-dipped no agye din wɔ owia nnwuma mu ama wɔn corrosion ahobammɔ. a wɔmfa nyɛ adwuma nso mma wɔn a wɔyɛ adwuma no ho adwuma no ho mfonini a wɔde ma no Nhwɛsoɔ, wɔtaa de di dwuma wɔ kuayɛ adwuma mu ɛfiri sɛ nnwinnadeɛ no yɛ mmerɛw sɛ ɛbɛyɛ mmerɛw sɛ ɛbɛsɛe, na ɛde ahwehwɛdeɛ a ɛfa nnwinnadeɛ a ɛyɛ den, a ɛtumi gyina ano. hot-dip galvanized steel ma corrosion ahobanbɔ a ɛtaa tumi kɔ so mfeɛ du du pii, mpo bere a ɛda adi wɔ tebea a ɛyɛ den a ɛfa kuayɛ ho{9}}

Kar Nnwuma .
Ɛwom sɛ wɔde di dwuma wɔ afɛfɛde ho mfonini nkutoo so kosi 1980 mfe no mu de, nanso mprempren nipadua a wɔde zinc adura ho a wɔde di dwuma ma kar ahorow no yɛ nea wɔtaa yɛ wɔ kar yɛ mu{2}} kar bi ‘nipadua mu fitaa’ no yɛ nipadua no bɛyɛ 80%, a ne nyinaa de dade a wɔde galvanized ayɛ. rust -resistance of the galvanized steel-resisting stell Adetɔfo.

Adansi Nnwuma .
Sɛ́ ɛyɛ atrae anaasɛ aguadi no, dade a wɔde galvanized ayɛ a ɛtra hɔ kyɛ no ama agye din bɛboro mfe ɔha wɔ adansi adwuma mu. Wɔpaw no nso ma adansi esiane sɛ ɛyɛ fɛ nti; ‘Shine’ a galvanized steel de ma no ma ɛyɛ nnɛyi atenka na agye din wɔ nnɛyi adansi ho nhyehyɛe mu. nso, ɛnyɛ sɛ wɔde di dwuma ma structural asinasin nko na mmom nneɛma te sɛ fencing, gutters, rails, tubing, poles, ne pii.

Telecommunication adwumayɛ .
Phone lines nyɛ adwuma a ɛyɛ mmerɛw sɛ wobesiesie, ɛyɛ atenten na mpɛn pii no ɛyɛ den sɛ wobedu hɔ. Hot-galvanized dade betumi adi dwuma wɔ telefon wiring ne nnwinnade nnaka a ɛtew asiane a ɛwɔ hɔ sɛ ɔsɛe ne hia a ehia sɛ wosiesie koraa.

galvanized steel pipe: nea ɛsɛ sɛ wohwehwɛ .

Ne nyinaa fa nsɛe ho .
Grime, nnuru, nsuo, anaa nkyene tumi corrode metal. corrosion ba bere a atɔm a ɛwɔ dadeɛ oxide no ani anaasɛ ɛyera oxygen ions kɔ corroding element{1}} dadeɛ dodoɔ no ara oxidize mmerɛw kɔ oxygen-rich environments te sɛ mframa anaa nsuo{3}}nam galvanizing dadeɛ, metal manufacturers prevents the throps the the throps the the the the the the the oring the oring the oring Corroding, zinc corrodes. ɛtɔ da bi a, wɔde element bi a wɔfrɛ no chromate ka zinc no ho, a ɛma zinc no yɛ oxidize ntɛmntɛm. Wɔfrɛ eyi afɔrebɔ ahobammɔ.

abasobɔde a wɔtaa de di dwuma .
Nneɛma ahorow pii a ɛsono dade a wɔde ayɛ galvanized. A53 dade paipu ne A595 dade pipe yɛ abien a ɛyɛ dodow no ara common grades.nanso cast dade, hot-rolled dade, awɔw-rolled dade, ne mpo binom grades of stainless dade nyinaa fata ma galvanization{{6}"

Nsusuwii a ɛtaa ba .

Galvanized steel pipe comes in a variety of dimensions and sizes. When you buy it, you'll want to measure its diameter by nominal size. To find nominal size, measure the inside diameter of the pipe. Most nominal pipe sizes run between ¼ and 2 ½ inches.If you do not have access to a cut end to measure inside the pipe, you can estimate the nominal size of a pipe by measuring its Nanso, wɔ akyi. no, ma ɛntena w’adwene mu sɛ ɛsɛ sɛ wubu ɔfasu kɛse ho akontaa, a ebia ɛbɛyɛ soronko wɔ paipu ne paipu.Mmara no ho no ka sɛ fa susuw akyi ntwemu no na fa PI (3{{8}14). mu kyekyɛ mu sɛ wowɔ paipu a ɛyɛ gyinapɛn a, twe 1⁄0 inch ma ɔfasu{10} bi a ɛwɔ mu no ho ban{10}.

Nnuru a ɛwɔ mu .

Nnuru a ɛwɔ mu no ho hia efisɛ ɛsɛ sɛ dade no ne zinc alloy a ɛkata so no bata ho wɔ nnuru dodow mu0}} sɛ dade paipu bi wɔ silicon a ɛwɔ 0.25% mu a, ɛbɛma zinc-alloy layer no anyin ntɛmntɛm yiye na awiei koraa no, zinc{7} a ɛwɔ general no mu no, galvanis a ɛwɔ galan no mu no bɛyɛ nea enni hɔ Phosphorus a ennu 0.05%, na manganese a ennu 1.3%. Ɛsɛ sɛ silicon tu mmirika wɔ 0% ne 0.25% ntam.

Nneɛma a wɔde galvanized galvanized ayɛ a wɔde siesie ne nea wɔde siesie .

● Kwati bere tenten a wode wo galvanized steel product no bɛto mmeae a pH no wɔ ase 6 ne soro 12. akyi no pH 6-12 galvanized coating no betumi ahu amane kɛse sen sɛnea ɛte daa.

● Kwati sɛ wo galvanized dadeɛ adeɛ no ne dadeɛ a ɛne no nhyia, te sɛ kɔbere ne kɔbere bɛdi nkitaho tẽẽ, titire wɔ mmeaeɛ a ɛporɔw. baabi a wɔde dadeɛ a ɛne no nhyia bɛbom adi dwuma no hwɛ sɛ insulator bi wɔ dadeɛ a ɛne no nhyia ne galvanized adeɛ no ntam{1}}

● Nsiesie wo galvanised product no bere nyinaa na, baabi a ɛbɛyɛ yiye no, kwati sɛ wobɛhohoro wo galvanized product no nyinaa ho altogether. akwan biako a galvanizing bɔ dade ho ban fi corrosion ho ne sɛnea wɔyɛ thin barrier film a ɛyɛ insoluble zinc corrosion product (a wonim no sɛ papatina) a ɛwɔ galvanized totroupleized to thetroughtroives to thetroughtrodeized to thetroughtromes Patina ne galvanized asɛm no bɛkyekye saa akwanside ahobammɔ bio, agye pii a zinc. daa abrasive ahotew bɛdi zinc ntɛmntɛm ma enti ebetumi atew nkwa a wo galvanized dade ade.

● Wobetumi de emulsifier a egyina nsu so, alkaline-based cleaners a pH a ɛyɛ 12 anaa nea ɛba fam anaasɛ organic solvents. asiesie galvanizing afei fa nsu pa hohoro beae no na fa ntama a ɛyɛ mmerɛw popa kɛkɛ. Yɛsrɛ wo, hwɛ wo galvanizer anaa GAA no nkyɛn sɛ wowɔ nsɛm bi a ɛhaw wo a, wobɛtew wo nneɛma ho{5}}}}}}

● Wɔ galvanizing product a ɛwɔ beae a ɛyɛ corrosive kɛse s.e. Coastal, heavy industrial, etc Wɔhyɛ nyansa sɛ wɔmfa nsu a wɔnom hohoro nneɛma no daa, titiriw wɔ tebea horow a ahobammɔ wom mu (I.E. a wɔmfa wɔn ho nhyɛ osu ne owia mu).

● Kwati sɛ wode ade biara a wɔde galvanized ayɛ no besie bere tenten wɔ tebea a ɛyɛ nwini ne nea mframa nkɔ mu yiye. hwɛ hu sɛ beae a wɔkora nneɛma so no yɛ kusuu na mframa pa wɔ hɔ.

● Sɛ honam fam nneɛma sɛe wɔ galvanized coating a ɛwɔ ade no mu (E.G. coating no ayɛ chipped anaasɛ fabrication akyi galvanizing aba a), wɔkamfo kyerɛ sɛ ɛsɛ sɛ wosiesie beae a asɛe no sɛnea AS/NZs 4680. hwɛ Repairing Hot Dip Galvanizing anaa kasa kyerɛ GAA no .

Nneɛma a ɛma dade a wɔde galvanized ayɛ no sɛe na asɛe .

● Nsuo a ɛyɛ nwini a ɛboro 60% .

● Sodium chloride (nkyene) a ɛwɔ nsu anaa mframa mu .

● Nneɛma a atwa yɛn ho ahyia a ɛyɛ nsu anaasɛ ɛyɛ nsu .

● Ɔhyew a ɛkɔ soro bere a wɔde nneɛma a ɛporɔw te sɛ nsu a ɛyɛ nwini ne mfiridwuma mu efĩ ka ho no .

● acid ahorow; Titiriw sulfur acids a (1) hydrogen sulfide - fi ogya mmepɔw, nsu a ɛyɛ hyew, abɔde mu mframa, ne nsu a ɛkɔ nsu mu - ne (2) sulfur dioxide efĩ wɔ nkurow akɛse mu wim tebea mu .

● alkali a ɛyɛ den .

● Plasters ne cements (titiriw portland cements) a chlorides ne sulfates wom .

● Acid osutɔ nsu a ɛsen fi adan atifi a nnua a wɔde ayɛ shingles wom .

● Nwansena ne lichen .

● Nkitahodi a ɛda nneɛma a wɔde galvanized ayɛ ne kɔbere, dade a ɛho tew, anaa dade ntam no ma galvanic corrosion. galvanic (electrochemical) corrosion yɛ electrolytic corrosion reaction a ɛda zinc coating ne dade a ɛne no nhyia ntam bere a ɛwɔ electrolyte te sɛ osu, dew, fog anaa condensation{1} anim.

Yɛn ho asɛm .

Wɔde sii hɔ wɔ afe 2015 mu na ɛwɔ Tianjin China, Promisteel, Tianhe Kuw no fã bi, yɛ amanaman ntam dade aguadi adwumakuw a ɛwɔ osuahu a ɛyɛ anigye wɔ nneɛma a wɔde kɔ amannɔne mu. yɛwɔ nneɛma a wɔde ma a ɛyɛ den a efi ɔman no mu dade afiri akɛse mu ne adetɔn kuw a ɛyɛ adwumaden, a ɛsom adetɔfo wɔ aman bɛboro 60 mu.
Yɛn adwumakuw no de nnwuma ahorow pii ma nnwuma ahorow a ɛka ho ne dade adan, afie mu nneɛma, barrel a wɔyɛ, po so ahyɛn a wɔyɛ, gas tank a wɔkora so, transformer a wɔyɛ, adididan mu nneɛma a wɔyɛ, ne nnuan a wɔde kyekyere nneɛma. Yɛde yɛn ho ato so sɛ yɛde nneɛma ne nnwuma a ɛyɛ papa na ɛho ka sua bɛma yɛn adetɔfo, na yɛde ɔhaw ahorow a yɛn adetɔfo hyia no ma wɔ amanaman ntam dade a wɔde ma{3}}}}}}}}}}}}}}}}fo no yɛ ɔhaw ahorow a yɛde bɛma yɛn adetɔfo no ho.

Yɛn adansedi nkrataa .

Nsɛmmisa a wobisa .

Asɛmmisa: Dade a wɔde galvanized ayɛ no bɛtra hɔ akyɛ dɛn ansa na ayɛ rust?

A: Galvanization yɛ zinc coating a wɔde gu dade atifi. so no siw rust ne corrosion ano tenten sen paint, mpɛn pii no mfe 50 anaa nea ɛboro saa, nanso awiei koraa no, brown rot no bɛba.

Asɛmmisa: So galvanized steel betumi aka dade a ɛyɛ daa?

A: Wɔrenkamfo sɛ wɔde dadeɛ a ɛda hɔ kwa bɛka galvanized steel ho, ɛfiri sɛ zinc no bɛpɛ sɛ ɛbɔ carbon steel no nyinaa ho ban na coating adwumayɛ nkwa nna nyinaa so bɛtew.

Asɛmmisa: Dade a wɔde galvanized ayɛ no bɛtra hɔ akyɛ dɛn?

A: zinc a wɔde zinc a wɔde galvanized galvanized galvanized ayɛ no bɛtra hɔ wɔ asase a ɛyɛ den sen biara no so yɛ mfe 35 kosi 50 na wɔ asase a ɛnyɛ nea ɛyɛ mmerɛw pii mu no mfe 75 anaa nea ɛboro saa. mu ɛwom sɛ nsu a ɛyɛ nwini no nya nsɛe so nkɛntɛnso de, nanso ɔhyew ankasa wɔ nkɛntɛnso kakraa bi. galvanized zinc coatings no yɛ wɔn ade yiye wɔ awɔw ne ɔhyew a ɛyɛ hu mu{6}}.

Asɛmmisa: So dade a wɔde galvanized ayɛ no bɛbɔ da bi?

A: galvanized steel gye bere tenten ansa na ayɛ rust, nanso awiei koraa no ɛbɛyɛ rust. saa type yi yɛ carbon steel a wɔde galvanized anaasɛ wɔde zinc a ɛyɛ tratraa abɔ ho{1}} zinc no yɛ adwuma sɛ akwanside a esiw oxygen ne nsu ano sɛ ebedu dade no ho, na ɛma ahobammɔ a ɛkɔ akyiri a ɛbɔ ho ban{2}}

Asɛmmisa: Temp bɛn na galvanizing hyew?

A: Wɔ bere tenten mu, a ɛkɔ so da adi no, ɔhyew a ɛsen biara a wɔkamfo kyerɛ no yɛ 392 F (200 C). Ɔhyew a ɛkɔ so wɔ eyi a ɛboro eyi so no betumi ama zinc layer a ɛwɔ akyi no atutu afi zinc-iron aduru a ɛwɔ ase no mu{5}}

Asɛmmisa: Dɛn nti na wuntumi mfa galvanized steel nnoa aduan?

A: Wɔde zinc fumes no to hɔ bere a galvanized steel yɛ hyew. Saa fumes yi yɛ awuduru kɛse ma home. zinc deposits of zinc fi fumes a ɛboaboa ano wɔ aduan no mu{2}} ultuls te sɛ ladles ne galvanized-surfaced pails no ɛnsɛ sɛ wɔde di dwuma ma aduan cooking{4}}

Asɛmmisa: So metumi ayɛ galvanized dade ho mfonini?

A: Hot dip galvanizing no n’ankasa yɛ ɔkwan a ɛtra hɔ kyɛ, ɛho ka sua a wɔfa so bɔ nsɛe ho ban. nanso, wobetumi ayɛ dade a wɔde galvanized ayɛ no ho adwini esiane nneɛma a edidi so yi nti: Fa kɔla ka ho ma afɛfɛde, camouflage, anaa ahobammɔ atirimpɔw ahorow. ma sikasɛm mu asetra a ɛwɔ nhyehyɛe bi mu no nkɔ soro.

Asɛmmisa: So wubetumi de dade a wɔde galvanized ayɛ ahyɛ kɔnkrit mu?

A: Esiane sɛ zinc fi awosu mu bɔ dade ho ban nti, wobetumi de galvanized reinforcement afra uncoated mu dwoodwoo wɔ kɔnkrit.

Asɛmmisa: So metumi de zinc bolts adi dwuma wɔ galvanized steel so?

A: Dadeɛ a ɛnyɛ den ne zinc anaa galvanized steel a wɔde di dwuma no fata nkontabuo kɔkɔɔ. Ɛsɛ sɛ wɔkwati saa nkabom yi.

Asɛmmisa: So wubetumi de aluminum abata galvanized dade ho?

A: Wobetumi de dade a wɔde galvanized ayɛ abɔ dadeɛ foforɔ pii. adansiɛ ho ahiadeɛ titire bi bɛtumi ama dadeɛ a wɔde galvanized ayɛ a ɛne dadeɛ a ɛnyɛ den, aluminium, kɔbere, ne dadeɛ foforɔ a ɛyɛ wim tebea. dadeɛ a wɔde galvanized ne dadeɛ foforɔ abɔ ho no bɛtumi de tebea bi a wɔfrɛ no Galvanic Corrosion.

Asɛmmisa: So wubetumi de bolt a ɛnyɛ den adi dwuma wɔ galvanized steel so?

A: Ne tiawa mu no, bere a ɛrentumi nyɛ yiye sɛ bere nyinaa wobɛkwati nkitahodi a ɛda dade a ɛnyɛ den ne dade a wɔde galvanized ayɛ ntam no, wɔkamfo kyerɛ sɛ wobɛkwati no baabi a ɛbɛyɛ yiye, titiriw wɔ tebea horow a ɛyɛ nsu anaa nkyene mu.

Asɛmmisa: Wobɛyɛ dɛn ama galvanized steel a ɛyɛ den no ayɛ kɛse?

A: Esiane sɛ coating damage taa ba wɔ anoano nti, ahobammɔ a wɔde ka ho wɔ saa junctures yi ho hia. brush- anaasɛ spray-applied coatings wɔ abɔde su a ɛyɛ teateaa wɔ ntwea so ne anoano a ɛma ɔfã no yɛ mmerɛw sɛ ɛbɛtow ahyɛ{3}} ahobammɔ a ɛyɛ pɛ a ɛwɔ hot-dip galvanized steel leaves no mu a ɛyɛ mmerɛw ma corrosion{5}}

Asɛmmisa: Dɛn nti na galvanized dade dan tuntum?

A: Pockets of moisture gye zinc coating a ɛwɔ carbon dioxide a ɛho hia na ama ayɛ ne ahobammɔ "anodized" film. nea edi kan no yɛ nea ɛyɛ nwunu, a afei ɛyɛ ntɛmntɛm ma ɛyɛ tuntum rust bere a zinc no kɔ so gye mframa.

Asɛmmisa: So galvanized dade bere?

A: Yiw, wubetumi ama kwan ma dade a wɔde galvanized ayɛ no ayɛ nea ɛyɛ abɔde mu de. galvanized dade foforo no wɔ hann a ɛhyerɛn a ɛhyerɛn ne reflectivity a ɛboro 70%.

Asɛmmisa: So dade a wɔde galvanized ayɛ no yɛ hyew wɔ owia mu?

A: Expert Response. Mmuae tiawa a ɛwɔ w’asɛmmisa no ho ne sɛ, nsukorade a wɔde galvanized ayɛ no bɛda ɔhyew adi - anka wubenya ɔhyew ho asɛm kɛse wɔ nsukorade tuntum a ɛtwetwe ɔhyew. a ɛka sɛ, nsukorade a wɔde galvanized ayɛ no wɔ zinc a wɔde kata so (a ebetumi akura cadmium) a esiw dade anaa dade a ɛhyɛ ase no ano fi rusting.

Asɛmmisa: So dade a wɔde galvanized ayɛ no yɛ nea ahobammɔ wom ma nsu a wɔnom?

A: galvanized steel awiei koraa no ebefi ase asɛe na ebetumi ayɛ asiane ama nsu a wɔnom, a ɛma ɛyɛ nea ahobammɔ nnim ma nsu a wɔnom wɔ bere tenten mu{0}} Ɔhaw no nyɛ zinc coating na mmom kɔbere ne cadmium, dade abien a emu yɛ duru a ebetumi atra hɔ wɔ zinc no mu esiane galvanizing nhyehyɛe{1}}

Asɛmmisa: So wubetumi abɔ galvanized dade?

A: AWS nhoma no, AWS/ANSI Z49:1, ahobammɔ ne twitwa wɔ welding mu, kata welding ahobammɔ ne akwahosan ho afã horow nyinaa. nanso, galvanized steel betumi ayɛ welded a wonyi zinc coating no mfi hɔ sɛ wodi akwan titiriw akyi.

Asɛmmisa: So Vinegar yi galvanization fi hɔ?

A: Vinegar ne zinc coating. no bɛyɛ adwuma na apete sɛ wɔagyaw no bere tenten a, woyi ade a wɔde kata so no fi hɔ na dade a ɛda hɔ kwa no rennya ahobammɔ biara.

Asɛmmisa: So SandBlasting beyi galvanizing afi hɔ?

A: Ɛnyɛ bere nyinaa na ɛho hia sɛ woyi coating a wɔde galvanized coating fi so, nanso sɛ ɛba a, akwan horow kakraa bi wɔ hɔ a wobetumi afa so ayɛ, a abrasive blasting{0}}

Asɛmmisa: So dade a wɔde galvanized ayɛ no ye ma ogya amena?

A: Wɔde galvanized steel a wɔde yɛ ogya amena no di dwuma mpɛn pii no wɔkamfo kyerɛ esiane ahobammɔ ho haw. galvanized steel a wɔde zinc akata so de bɔ ho ban fi nsɛe ho nti, nanso sɛ wɔde hyew no ma ɛyɛ hyew a, zinc a wɔde kata so no betumi ama wusiw a epira no agyae na ebetumi ama akwahosan ho asiane aba{1}}

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