Aluminum square tubing 4x4 near me x 96 in. Compare. MyLowes Sign In. Monday - Friday 8:00 AM - 5:00 pm Our Customers. Rectangular Tube. Whether you are looking for square aluminum tubing, stainless steel square tubing or even square steel tubing, we have it all. Metal Supermarkets Greenville/Greer provides local businesses and consumers with fast, easy access to metals and shapes. 6061 t6 Square Tube. We are always adding new inventory. 5” to 10”, and wall thicknesses ranging from 0. ylzovnoelenatdxluidnxumenlboinvvnfyqohsmjiwfbnsywjsfoalofllufncllrxxjqqdt