Nnianimu
Wɔ adansi ne nneɛma a wɔyɛ mu no, nneɛma a wɔpaw no di dwuma titiriw wɔ sɛnea adwuma bi bedi nkonim na akyɛ no mu. Wɔ saa nneɛma yi mu no, galvanized steel coils da nsow esiane sɛ ɛyɛ soronko a ɛyɛ den sɛ ɛbɛtra hɔ akyɛ, atumi agyina nsɛe, ne sɛnea ɛyɛ adwuma pii nti. Nanso, nea ɛfata a wobɛpaw . Galvanized steel coil ma wo project pɔtee no betumi ayɛ adwuma a ɛyɛ den, esiane akwan horow pii a ɛwɔ gua so nti. Saa asɛm yi botae ne sɛ ɛbɛma wɔanya akwankyerɛ a ɛkɔ akyiri a ɛbɛboa adwumayɛbea ahorow, akwan a wɔfa so yɛ adwuma, ne wɔn a wɔkyekyɛ nneɛma wɔ gyinaesi a ɛyɛ nokware mu bere a wɔrepaw galvanized steel coils no.
galvanized steel coils ho ntease .
galvanized steel coils yɛ dade ntama a wɔde zinc a wɔde akata so akata so na amma nsɔe ne nsu a ɛbɛbɔ no ansiw. Nea ɛka galvanization nhyehyɛe no ho ne sɛ wɔde dade no bɛhyɛ zinc a ayow mu, na ɛyɛ akwanside a ɛbɔ ho ban wɔ nsu no ani. Ɛnyɛ sɛ saa zinc yi bɔ dade no ho ban fi nneɛma a atwa yɛn ho ahyia ho nko na mmom ɛma afɔrebɔ ho banbɔ nso, a ɛkyerɛ sɛ zinc no bɛsɛe ansa na dade no ayɛ saa, na ɛnam so atrɛw dade no nkwa nna mu.
Nneɛma ahorow a wɔde fa galvanization .
Akwan pii wɔ hɔ a wɔfa so nya galvanization, a emu biara wɔ n’ankasa su ahorow ne sɛnea ɛfata ma dwumadie ahodoɔ:
Hot-dip galvanization: ɔkwan a wɔtaa fa so, a dade ahyɛ nsu ase wɔ zinc a ayɛ hyew mu. Ɛma wonya ade a ɛyɛ den a ɛyɛ den a wɔde kata so a eye ma abɔnten ne mfiridwuma mu nneɛma.
Electro-Galvanization: de anyinam ahoɔden di dwuma de mprɛte zinc gu dade no so. Saa kwan yi ma wonya ade a ɛyɛ tratraa a wɔde kata so, a ɛfata ma nneɛma a wɔde di dwuma wɔ dan mu wɔ baabi a asiane a ɛwɔ hɔ sɛ ɛbɛsɛe no sua.
Galvannealing: Ɛka hot-dip galvanizing ne annealing nhyehyɛe ahorow bom, na ɛma matte finish a paint a ɛbata ho yiye, a eye ma kar ne mfiri nnwuma.
Nneɛma atitiriw a ɛsɛ sɛ wususuw ho bere a worepaw galvanized steel coils .
Sɛ wopaw dade a wɔde ayɛ galvanized coil a ɛfata a, ɛsɛ sɛ wosusuw nneɛma ahorow a ɛka adwumayɛ ne ɛka a wɔbɔ no yiye ho yiye. Afã horow a ɛho hia a ɛsɛ sɛ yɛsɔ hwɛ:
1. Nneɛma a atwa yɛn ho ahyia tebea .
Nneɛma a atwa yɛn ho ahyia a wɔde dade bedi dwuma wom no nya galvanized coating ko a ɛho hia no so nkɛntɛnso kɛse. Sɛ nhwɛso no, mpoano mmeae a nkyene a ɛwɔ mu no dɔɔso no hwehwɛ sɛ zinc a ɛyɛ den no yɛ kɛse esiane tebea a ɛyɛ basabasa a ɛyɛ hu nti. Nea ɛne eyi bɔ abira no, nneɛma a wɔde di dwuma wɔ dan mu no betumi ayɛ nea ɛdɔɔso a wɔde biribi a ɛyɛ tratraa bɛkata so.
2. Mfiridwuma mu nneɛma .
Sɛ wote mfiri a ɛho hia wɔ wo dwumadi no mu ase a, ɛho hia. Nneɛma te sɛ ahoɔden a ɛtwetwe ade, sɛnea ɛyɛ mmerɛw sɛ ɛbɛdannan, ne sɛnea wotumi yɛ no na ɛkyerɛ sɛnea wobetumi ayɛ dade no ho adwuma a ɛrensɛe ne nhyehyɛe mudi mu kura. Nnwuma a ɛhwehwɛ sɛ wɔde wɔn ho hyɛ mu a ɛyɛ nwonwa anaasɛ wɔyɛ no no betumi ahia dade a ɛwɔ ductility a ɛkorɔn.
3. Coating thickness ne emu duru .
zinc a wɔde kata so no mu duru, a wɔde microns anaasɛ ade a wɔde kata so no mu duru (g/m虏) no ne corrosion protection level no wɔ abusuabɔ tẽẽ. Amanaman ntam gyinapɛn ahorow, te sɛ ASTM ne ISO, de akwankyerɛ ahorow ma wɔ adesua a wɔde kata ade so ma dwumadie ahodoɔ ho. Sɛnea ɛbɛyɛ a wobetumi de wɔn ho ahyɛ abɔnten bere tenten mu no, wɔkamfo kyerɛ sɛ wɔmfa nneɛma a wɔde kata so no mu duru a ɛkɔ soro.
4. Ɔfasu a ɛwɔ soro ne sɛnea ɛte .
Nneɛma a ɛwɔ soro no betumi anya afɛfɛde ne dwumadi nyinaa so nkɛntɛnso. Nneɛma a wubetumi apaw no bi ne spangle (ahwehwɛ nsusuwso a ɛwɔ soro), a ɛyɛ mmerɛw, anaasɛ matte awie. Ebia nneɛma bi a wɔde di dwuma te sɛ adansi mu nneɛma a wotumi hu no behia sɛ wɔde wie pɔtee bi na ama wɔatumi adi afɛfɛde ho gyinapɛn ahorow ho dwuma.
5. Ɛne nea edi hɔ no hyia .
Sɛ galvanized steel coil no bɛyɛ adwuma foforo, te sɛ mfoniniyɛ, welding, anaa sɛnea wɔyɛ a, ɛho hia sɛ wopaw ade a ɛne saa nneɛma yi hyia. Sɛ nhwɛso no, galvannealed dade ma paint adhesion yiye sɛ wɔde toto standard hot-dip galvanized steel ho a.
Gyinapɛn a ɛyɛ papa ne adansedi nkrataa a wɔbɛhwehwɛ mu .
Amanaman ntam gyinapɛn ahorow a ɛyɛ papa a wodi so no hwɛ hu sɛ dade a wɔde ayɛ galvanized no di dwuma pɔtee bi ho gyinapɛn ahorow. Adansedie a ɛfiri ahyehyɛdeɛ te sɛ ASTM International, ISO, ne EN (European Standards) mu no yɛ nsusuiɛ a wɔde hwɛ sɛ ɛyɛ papa. Sɛ woretɔ dade coils a, hwɛ sɛ nea ɔyɛe no di gyinapɛn ahorow a ɛfa ho no so na ama woatumi de ahotoso ayɛ nneɛma a wɔde yɛ nneɛma no.
Mill Test Reports (MTR) ho hia .
MTRs de nsɛm a ɛkɔ akyiri a ɛfa nnuru ne mfiridwuma mu nneɛma a ɛwɔ dade no mu ho ma, a nea ɛka ho ne ade a wɔde kata so, nea ɛwom, ne nea efi mu ba wɔ mfiridwuma mu. MTRs a wobɛsan ahwɛ mu no ma wo kwan ma wo si so dua sɛ dadeɛ no hyia nsɛm a wɔhwehwɛ ma wo adwuma no.
Ɛka a wɔbɔ ne sikasɛm nhyehyɛe .
Bere a ɛyɛ sɔhwɛ sɛ wobɛpaw ano aduru a ɛho ka sua sen biara no, ɛho hia sɛ wobɛkari pɛ wɔ ɛka a wɔbɔ wɔ bere tenten mu no ho. Nneɛma a ne bo yɛ mmerɛw a wɔde nneɛma a ɛyɛ tratraa akata so no betumi ama wɔabɔ ka kɛse wɔ nsiesie ho na wɔadi kan de asi ananmu esiane sɛ ɛyɛ nsɛe nti. Sɛ́ wɔbɛyɛ asetra mu nneɛma a ɛho ka yɛ den ho nhwehwɛmu no betumi aboa ma wɔahu nea sikasɛm mu mfaso kɛse wom sen adwuma no nkwa nna.
Supplier a wɔpaw ne ahotoso a ɛwɔ mu .
Ahotoso a wo supplier no wɔ no yɛ nea ɛho hia sen biara. Susuw wɔn a wɔde nneɛma ma a wɔada no adi sɛ wɔagye din wɔ nnwuma mu, din pa a ɛwɔ nnwuma mu, ne tumi a wɔde bɛma nneɛma a ɛyɛ papa a ɛkɔ so daa no ho hwɛ. Wɔn nneɛma a wɔyɛ, adetɔfo som, ne bere a wɔde ma no a wɔbɛhwehwɛ mu no betumi abrɛ asiane ahorow a ɛbata nneɛma a wɔde ma mu ɔhaw ahorow ho no ase.
Mfiridwuma mu mmoa ne nnwuma a wɔde bɛyɛ nhwehwɛmu .
Wɔn a wɔde mfiridwuma ho mmoa ma no betumi ayɛ nea ɛsom bo kɛse, titiriw bere a wɔredi nsɛm a ɛyɛ den anaa adwuma no ho ahwehwɛde soronko ho dwuma no. Wobetumi de akwankyerɛ ama wɔ nneɛma a wɔpaw, nyansahyɛ ahorow a wɔde di dwuma, ne ɔhaw ahorow a wobesiesie ho, na ama adwuma no nyinaa aba a ɛbɛma ayɛ kɛse.
Nneɛma a ɛbɛkɔ so atra hɔ daa ne nneɛma a atwa yɛn ho ahyia so nkɛntɛnso .
Bere a nneɛma a atwa yɛn ho ahyia ho haw ahorow no reyɛ kɛse no, dade a wɔde galvanized ayɛ a wɔpaw denam nneyɛe a ɛtra hɔ daa so no betumi aboa ma wo dwumadi no ayɛ nea ɛnyɛ nea ɛde ɔhaw ba nneɛma a atwa yɛn ho ahyia no so. Hwehwɛ wɔn a wɔde nneɛma ma a wɔde nneɛma a wɔasan de adi dwuma di dwuma, nneɛma a wɔde yɛ ahoɔden a wɔde yɛ nneɛma a ɛmma ahoɔden nsɛe, na wodi nneɛma a atwa yɛn ho ahyia ho mmara so.
Nneɛma a wɔde yɛ nneɛma foforo ne nea wɔde susuw nneɛma ho wɔ nkwa nna awiei ho .
galvanized steel yɛ nea wotumi de di dwuma kɛse a ɛnyɛ nea ɛyera. Nhyehyɛeɛ a wobɛyɛ de asan ayɛ dadeɛ afã ahodoɔ wɔ wɔn som asetena awieeɛ no ma wo dwumadie no kɔ so yie na ɛbɛtumi ama sikasɛm mu mfasoɔ denam scrap value recovery so.
Nsɛm a wɔayɛ ho nhwehwɛmu ne nnwuma a wɔde di dwuma .
Wiase ankasa mu nhwehwɛmu a wɔyɛ mu nhwehwɛmu no betumi ama yɛanya nhumu wɔ nneɛma a mfaso wɔ so a ɛsɛ sɛ wosusuw ho bere a worepaw dade a wɔde ayɛ galvanized coils no. Eyi yɛ nhwɛso ahorow a efi nnwuma ahorow mu:
Adansi Nnwuma .
Wɔ mpoano abɔnten so kwan bi a wɔyɛe mu no, mfiridwumayɛfo paw dade a wɔde galvanized galvanized galvanized coils a ɛwɔ zinc a wɔde kata so mu duru kɛse de ko tiaa nkyene nsu a asɛe no. Nneɛma a ɛko tia corrosion a ɛkɔ soro no trɛw bridge no nsiesie ntam, na ɛmaa ɛka a wɔbɔe kɛse bae bere a bere kɔɔ so no.
Kar ho adwumayɛbea .
Kar yɛfo bi paw galvannealed steel coils maa nipadua no ho ntama esiane wɔn paint a ɛbata ho yiye ne weldability nti. Saa gyinaesi yi maa kar no afɛfɛde no su ne ne nhyehyɛe mu no yɛɛ yiye, bere a ɛmaa nneɛma a wɔyɛ no yɛɛ mmerɛw no.
Nneɛma a wɔyɛ wɔ hɔ .
Mpɛn pii no, wɔn a wɔyɛ mfiri no hwehwɛ dade a ɛwɔ soro a ɛkorɔn. Wɔpɛ dade a wɔde electro-galvanized ayɛ no ma ɛyɛ mmerɛw na ɛfata sɛ wɔyɛ ho adwuma bio te sɛ mfoniniyɛ ne ade a wɔde kata so, na ɛma ade no yɛ fɛ na ɛyɛ den.
Abenfo nhumu ne nyansahyɛ ahorow .
Nnwuma mu abenfoɔ si hia a ɛhia sɛ wɔde nneɛma a wɔbɛpaw no ne adwuma no ahwehwɛdeɛ hyia so dua. John Smith, a ɔyɛ nneɛma ho nimdefo panyin, tu fo, 'Atease a atwa wo ho ahyia ne mfiri a wɔhwehwɛ wɔ wo dwumadi no mu no ho hia yiye.
Saa ara nso na adetɔ ho nimdefo Emily Davis si abusuabɔ a ɛda nneɛma a wɔde ma so dua: 'Wɔne adetɔnfo a wotumi de ho to wɔn so yɛ adwuma bom hwɛ sɛ ɛnyɛ nneɛma a ɛyɛ papa nko na mmom wobenya mfiridwuma ho mmoa ne ano aduru a ɛyɛ mmerɛw a wɔayɛ ama w'ahiade nso.'
Awie
Dadeɛ a wɔde galvanized galvanized galvanized coil a ɛfata a wɔbɛpaw no yɛ adeyɛ a ɛwɔ afã ahodoɔ a ɛhia sɛ wɔnya nneɛma no su, nneɛma a atwa yɛn ho ahyia tebea, ne adwuma no ho nsɛm ho nteaseɛ a ɛkɔ akyiri. Ɛdenam nneɛma te sɛ galvanization akwan, coating thickness, mfiridwuma su, ne supplier ahotoso a wubesusuw ho so no, wubetumi asi gyinae a ɛfata a ɛbɛma wo nnwuma no adwumayɛ ne ne nkwa tenten ayɛ kɛse.
Kae sɛ bere a wode bɛto hɔ wɔ nhyehyɛe a wɔde paw nneɛma mu no betumi ama woanya mfaso kɛse bere tenten, a nea ɛka ho ne ɛka a wobɛkora so, nsiesie a wɔbɛtew so, ne nneɛma a ɛbɛkɔ so atra hɔ yiye. de nneɛma te sɛ owiyammo sɔhwɛ amanneɛbɔ ahorow di dwuma na wo ne nnwuma mu abenfo nsusuw ho na ama woahwɛ ahu sɛ . Galvanized steel coil a wopaw no di wo project ahwehwɛde nyinaa so.
