ﺍﻧﺠﻤﻦ ﺁﺯﻣﻮﻥ و ﻣﻮﺍﺩ ﺁﻣﺮﯾﮑﺎ
American society for testing and materials (ASTM)

ﺳﺎﺯﻣﺎﻧﯽ ﺍﺳﺖ ﻏﯿﺮ ﺍﻧﺘﻔﺎﻋﯽ ﮐﻪ ﻣﺸﺨﺼﺎﺕ ﻓﻨﯽ و ﺁﺯﻣﺎﯾﺸﻬﺎی ﺍﺳﺘﺎﻧﺪﺍﺭﺩ ﺭﺍ ﺑﺮﺍی ﻣﺼﺎﻟﺢ ﻣﺨﺘﻠﻒ ﺗﺪوﯾﻦ
ﻣﯽﮐﻨﺪ.