ASTM A53/A53M-2018 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A53 A53M-2018 鍍鋅、焊接和無縫管道、黑色和熱浸鍍鋼管的標準規范-英文版