Kina ASTM 653 Prepainted PPGL DX51D DX52D SGCC Galvanized Steel Sheet Coil Manufacturer and Supplier | Ruiyi
ʻO ka pua zinc o ka wela wela Huipuia Galvanized He ʻano ʻenehana e hoʻemi i ka mahana paʻa o ka zinc wai (ʻo ka mahana solidification o ka zinc maʻemaʻe ʻo 419 ℃) a hoʻolōʻihi i ka manawa ulu o ka pua pua zinc ma ka hana ʻana i ka nui o nā nuclei kristal. ʻAʻole hiki ke hana i ka pua zinc maʻemaʻe kiʻekiʻe. No ka laʻana, hoʻohui i ka tin (< 0.5%) e paʻa i ka 198 ℃; hoʻohui i ka cadmium e paʻa i ka 264 ℃; hoʻohui i ke alakaʻi e paʻa i ka 317 ℃; hoʻohui i ka antimony (< 0.3%) e paʻa i ka 409 ℃; a i ʻole ka pipi ʻana i ka ʻili o ka uhi zinc me ka kahe mahu a i ʻole ke kahe kinoea SO2 hiki ke hana i ka pua zinc nui i ka wā hiki.
