ASTM A153 na ASTM A123 bụ ụkpụrụ abụọ dị iche iche mepụtara site na American Society for Testing and Materials (ASTM International), nke metụtara nkọwapụta nke galvanized ígwè. Ndị a bụ isi myirịta na ndịiche ha:
Myiri:
Ebe ezubere iche: Ha abụọ na-agụnye galvanizing na-ekpo ọkụ, nke gụnyere imikpu ngwaahịa nchara n'ime zinc a wụrụ awụ iji mepụta mkpuchi mkpuchi nke zinc.
Ndịiche:
Oghere ọdabara:
ASTM A153: Kwesịrị ekwesị maka ikpo ọkụ na-ekpo ọkụ nke obere akụkụ, bolts, nuts, screws, wdg eji na ngwaahịa dị iche iche.
ASTM A123: Ọ dabara nke ọma maka ihe owuwu buru ibu ma ọ bụ karịa, dị ka ọkpọkọ, akwa akwa, ebe nchekwa, ihe nchara, wdg, yana ihe siri ike maka oyi akwa zinc ha.
Ọkpụrụkpụ mkpuchi:
ASTM A153: mkpuchi a na-achọkarị bụ ihe dị gịrịgịrị ma na-ejikarị eme ihe maka akụkụ nwere obere ihe achọrọ maka nguzogide corrosion.
ASTM A123: Ihe ndị achọrọ maka mkpuchi mkpuchi na-abụkarị ndị siri ike, na-achọ mkpuchi mkpuchi buru ibu iji nye ndụ nguzogide corrosion ogologo.
Ụzọ nchọpụta:
ASTM A153: Usoro nnwale ejiri dị mfe, ọkachasị gụnyere nyocha anya na nha mkpuchi mkpuchi.
ASTM A123 siri ike karịa, nke gụnyere nyocha kemịkalụ, nlele anya, nha nha mkpuchi, wdg.
Oghere ngwa:
ASTM A153: Kwesịrị ekwesị maka ụfọdụ obere akụrụngwa, bolts, akụ, wdg.
ASTM A123: Kwesịrị ekwesị maka ihe owuwu buru ibu ma dị mkpa, dị ka ihe owuwu ụlọ, àkwà mmiri, ụzọ nche, wdg.
N'ozuzu, nhọrọ nke ọkọlọtọ ị ga-eji dabere na ngwa ngwa achọrọ. Ọ bụrụ na nnukwu ụlọ na-etinye aka ma ọ bụ chọọ nguzogide corrosion dị elu, a na-ahọrọkarị galvanizing na-ekpo ọkụ dị ka ọkọlọtọ ASTM A123.
Oge nzipu: Nov-23-2023
