Tag: ASTM
ASTM D7803-Standard don Shirya HDG karfe don rufin foda
Gada ASTM D7803 misali ɗaya ne na ayyukan gine-gine waɗanda galibi ana yin su daga ƙarfe mai zafi mai zafi. Yadda ake sutura wannan karfe ba tare da gazawar mannewa na tsarin foda an bayyana shi a cikin sabon ma'aunin ASTM. Sabuwar ma'auni, ASTM D7803, "Tsarin Shirye-shiryen Zinc (Hot-Dip Galvanized) Mai Rufe Iron da Karfe Samfurin da Hardware Surfaces for Powder Coatings" ya rufe shirye-shiryen da zafi pretreatment na baƙin ƙarfe da karfe kayayyakin da hardware wanda ba a fentin ko ko. foda mai rufi a bayaKara karantawa …