316 Stainless Steel Rectangle Tube has internal and external radius corners, with a protruding interior weld seam. Stainless Rectangle Tube is ideal for all structural applications where greater strength and superior corrosion resistance is required. Having a durable mill finish Stainless Rectangle Tube is widely used for all types of fabrication projects that are exposed to the elements - chemical, acidic, fresh water, and salt water environments. Some sizes are available with a 180 grit polish.
316 stainless has high strength and excellent corrosion resistance, including in marine or extremely corrosive environments. It is stronger, though less malleable and machinable than 304.316 Stainless Steel Pipe is normally used in natural gas / petroleum / oil, aerospace, food and beverage, industrial, cryogenic, architectural, and marine applications.