Le nqubo yaphakanyiswa ukuthi ibuyekezwe ngo-2022 emhlanganweni waminyaka yonke we-ISO/TC17/SC12 Steel/Continuously Rolled Flat Products Sub-Committee, futhi yethulwa ngokusemthethweni ngoMashi 2023. Iqembu elisebenzayo lokubhala lahlala iminyaka emibili nengxenye, lapho kwabanjwa khona umhlangano weqembu elisebenzayo elilodwa kanye nemihlangano emibili yaminyaka yonke ukuze kuxoxwe kabanzi, kwathi ngo-Ephreli 2025, kwaqalwa uhlelo lwesithupha lwe-ISO 4997:2025 standard ebuyekeziwe ethi “Structural Grade Cold Rolled Carbon Thin Steel Plate”.

Leli zinga lingenye indlela yokubuyekezwa kwezinga lomhlaba wonke eholwa yiShayina ngemuva kokuba iShayina ithathe isikhundla sokuba ngusihlalo we-ISO/TC17/SC12. Ukukhishwa kwe-ISO 4997:2025 kungenye intuthuko ekubambeni kweShayina emsebenzini wokulinganisa umhlaba wonke emkhakheni wamapuleti ensimbi kanye nemichilo ngemuva kwe-ISO 8353:2024.

Imikhiqizo yepuleti yensimbi egoqwe ngekhabhoni kanye nemikhiqizo ye-strip izinikele ekuthuthukiseni amandla nokunciphisa ukujiya, ngaleyo ndlela inciphise isisindo semikhiqizo yokugcina, ifinyelele umgomo wokugcina wokonga amandla nokunciphisa ukukhishwa komoya, kanye nokuqaphela umqondo wokukhiqiza "wensimbi eluhlaza". Inguqulo ka-2015 yendinganiso yamandla okukhiqiza asetshenziswa kakhulu emakethe angama-280MPa ensimbi ayinqunywanga. Ngaphezu kwalokho, okuqukethwe kobuchwepheshe kwalendinganiso, njengokungaguquguquki kobuso kanye nesisindo se-batch, akuhlangabezani nezidingo zangempela zomkhiqizo wamanje. Ukuze kuthuthukiswe ukusebenza kwalendinganiso, i-Metallurgical Industry Information Standards Research Institute yahlela i-Anshan Iron & Steel Co. ukuthi ifake isicelo sephrojekthi entsha yomsebenzi ojwayelekile wamazwe ngamazwe walo mkhiqizo. Enkambisweni yokubuyekezwa, izidingo zobuchwepheshe zebanga elisha zanqunywa ngokubonisana nochwepheshe abavela eJapane, eJalimane nase-United Kingdom izikhathi eziningi, bezama ukuhlangabezana nezidingo zokukhiqiza nokuhlola ezweni ngalinye futhi bandisa ububanzi bokusetshenziswa kwale nqubo. Ukukhishwa kwe-ISO 4997:2025 “Ipuleti Lensimbi Encane Eqoqwe Ngobumba Ebandayo” kusunduza amazinga amasha nezindinganiso ezicwaningwe futhi zathuthukiswa yiShayina emhlabeni wonke.