Brass SquareTubing alloy 385 or alloy 280 are normally used for ornamental, architectural, and furniture applications. 385 brass and 280 brass are a color match and depending on the size/part number could come in either of these alloys. They polish extremely well, machine well, and resist non-marine corrosion very well. 385 and 280 square tubing stock is available in full size and custom cut lengths.