Stainless Steel Square Tube: 304, 36 in Overall Lg, 0.25 in Wall Thick, 4 in x 4 in, Welded, Mill

General purpose 304 stainless steel square tubes have four equal sides. They combine strength, machinability, and excellent corrosion resistance in non-marine environments. They are often used for architectural trim, food and beverage machinery, chemical processing equipment, and aerospace and cryogenic applications.