Emkhakheni wokwakha nokukhiqiza, amashidi ensimbi ahlanganisiwe avele njengento ebalulekile ngenxa yokuqina kwawo kanye nokumelana nokugqwala. Inqubo yokufaka i-galvanization, ikakhulukazi i-hot-dip galvanization, ihilela ukumboza insimbi ngengqimba ye-zinc ukuze ithuthukise ubude bayo nokusebenza kwayo. Njengoba izimboni emhlabeni jikelele zamukela amashidi ensimbi ahlanganisiwe ngokwandayo, kubalulekile ukuqonda izinqubomgomo nezindinganiso zomhlaba wonke ezilawula ukukhiqizwa nokusetshenziswa kwawo. Izinkampani ezifana ne-JINDALAI Steel Group Co., Ltd. ziphambili kulokhu kuthuthuka, ziqinisekisa ukuthi imikhiqizo yazo ihlangabezana nezidingo zomhlaba wonke eziqinile.
Emhlabeni jikelele, ukukhiqizwa nokusetshenziswa kwamashidi ensimbi agqitshiwe kuncike ezinqubweni ezahlukahlukene ezisemthethweni ezihloselwe ukuqinisekisa ikhwalithi nokuphepha. Izinhlangano ezifana ne-International Organisation for Standardization (ISO) kanye ne-American Society for Testing and Materials (ASTM) zisungule iziqondiso abakhiqizi okumele bazilandele. Lezi zindinganiso zihlanganisa izici ezifana nobukhulu be-zinc coating, izakhiwo zensimbi, kanye nobukhulu bamashidi. Ukuhambisana nale mithetho akugcini nje ngokuqinisekisa ikhwalithi yamashidi agqitshiwe kodwa futhi kukhuthaza nemikhuba yokuhweba efanele phakathi kwabakhiqizi emhlabeni jikelele.
Ukuhlukaniswa kwamashidi e-galvanized kusekelwe kakhulu endleleni yokufakwa kwe-galvanization kanye nokusetshenziswa okuhlosiwe. Amashidi ensimbi e-galvanized ashiswa ngokushisa athandwa kakhulu ngenxa yokumelana kwawo nokugqwala okuphezulu, okutholakala ngokucwiliswa kwensimbi ku-zinc encibilikisiwe. Le ndlela iholela ekugqokeni okujiyile nokuqinile uma kuqhathaniswa nezinye izindlela zokufakwa kwe-galvanization. Ngaphezu kwalokho, amashidi e-galvanized angahlukaniswa ngobukhulu bawo, ububanzi, nobude, okwenzelwe ukuhlangabezana nezidingo ezithile zephrojekthi. Ukuqonda lokhu kuhlukaniswa kubalulekile kubakhiqizi nakubathengi ngokufanayo, njengoba kuthonya ukukhethwa kwezinto zokusetshenziswa okuhlukahlukene.
Uma kukhulunywa ngemininingwane yosayizi, amashidi ensimbi agqitshiwe atholakala ngobukhulu obahlukahlukene ukuze ahlangabezane nezidingo zokwakha ezahlukahlukene. Osayizi abavamile bafaka amashidi angamafidi angu-4×8, amafidi angu-5×10, kanye nosayizi owenziwe ngokwezifiso ngokwezidingo zeklayenti. Ubukhulu bala mashidi buvame ukusuka ku-0.4 mm kuya ku-3 mm, kuye ngesicelo. Kubalulekile ukuthi abakhiqizi abanjengoJINDALAI Steel Group Co., Ltd. banikeze imininingwane yosayizi enembile ukuqinisekisa ukuthi imikhiqizo yabo iyahlangabezana nezidingo zemikhakha yokwakha neyokukhiqiza.
Ukusebenza kwamashidi agqitshiwe kudlulela ngale kokusekelwa kwesakhiwo; futhi kudlala indima ebalulekile ekukhuliseni ukukhanga kobuhle bezakhiwo nemikhiqizo. Ukubonakala kwamashidi ensimbi agqitshiwe kubonakala ngokuqedwa okukhazimulayo, kwensimbi okungaphathwa kabanzi ngemiphumela eyengeziwe yokubuka. Le khwalithi yobuhle, ehlanganiswe nezinzuzo zokusebenza kwamashidi, iwenza abe ukukhetha okuthandwayo kwabakhi bezakhiwo nabakhi. Njengoba isidingo samashidi ensimbi agqitshiwe siqhubeka nokukhula, ukunamathela ezindinganisweni nasezinqubomgomo zomhlaba wonke kuzohlala kubaluleke kakhulu ekuqinisekiseni ukuthi abakhiqizi baletha imikhiqizo esezingeni eliphezulu ehlangabezana nezidingo zemakethe yomhlaba wonke.
Ekuphetheni, isimo sokukhiqizwa kweshidi lensimbi eliqinisiwe sibunjwa yizinqubomgomo nezindinganiso zomhlaba wonke ezibeka phambili ikhwalithi, ukuphepha, kanye nokusebenza. Izinkampani ezifana ne-JINDALAI Steel Group Co., Ltd. zizimisele ukunamathela kule mithethonqubo, ziqinisekisa ukuthi imikhiqizo yazo ayigcini nje ngokuhlangabezana kodwa futhi idlula okulindelwe embonini. Njengoba imikhakha yokwakha kanye neyokukhiqiza ithuthuka, ukubaluleka kwashidi lensimbi eliqinisiwe ngokungangabazeki kuzoqhubeka nokukhula, kuqhutshwa ukuguquguquka kwawo kanye nokuqina kwezicelo ezahlukahlukene.
Isikhathi sokuthunyelwe: Ephreli-28-2025
