Rivets suna buƙatar samun ƙayyadaddun ƙaƙƙarfan ƙarfi da filastik, kuma ƙananan ƙarfin ƙarfe na ƙarfe da ƙarfin ƙarfe yana da ƙasa, amma babban filastik da tauri, sarrafa matsa lamba da kyakkyawan aikin walda. % Annealed tsarin da low carbon karfe ne ferrite da karamin adadin pearlite.
Lokacin aikawa: Janairu-11-2021