GB/T 222-2025 "Simbi uye Alloys - Inotenderwa Kutsauka muChemical Kuumbwa Kwezvakapera Zvigadzirwa" ichatanga kushanda muna Zvita 1, 2025, ichitsiva zviyero zvekare GB/T 222-2006 uye GB/T 25829-2010.
Key Content of the Standard
1. Kukura: Inovhara kutsauka kunobvumidzwa mumakemikari ekugadzirwa kwezvakapera zvigadzirwa (kusanganisira mabheti) eisina-alloy simbi, yakaderera-alloy simbi, alloy simbi,simbi isina ngura, simbi isingapise kupisa, simbi inodzivirirwa necorrosion, uye alloys anopisa.
2. Kuchinja Kukuru Kwehunyanzvi:
Yakawedzerwa kupatsanurwa kweanobvumidzwa sarufa kutsauka kune isiri-alloy simbi uye yakaderera-alloy simbi.
Yakawedzerwa kupatsanurwa kweanotenderwa kutsauka kwesarufa, aluminium, nitrogen, uye calcium mune alloy simbi.
Yakawedzerwa kutsauka kunobvumidzwa kwemakemikari kuumbwa mune yakagadzirwa corrosion-resistant alloys uye yakakwirira-tembiricha alloys.
3. Purogiramu Yekuita
Zuva Rokuburitswa: Nyamavhuvhu 29, 2025
Zuva rekuita: Zvita 1, 2025
Nguva yekutumira: Nov-07-2025
