PARTE: 2EX-DA-PIPE04 - TUBERIA DE ACEROOffers spiral dust pipe in 5 to 10 foot lengths and in a variety of diameters ranging from 4 to 20 inches. Hot Dipped G90 Galvanized 24-gauge steel.  G90 is defined under the ASTM A653 specification, which outlines the requirements for hot-dip galvanized steel sheet