STRAIGHT WELDED TUBES Newcan is capable of manufacturing straight welded tubes that range in size from 1 inch to 48 inches long with diameters up to 3 inches using a TIG (GTAW) welding process. The material typically starts in a sheet form and is rolled into a tube prior to welding. • Materials: Carbon Steel, 300 & 400 Series Stainless Steel • Varying perforation patterns for open area • Material thickness: ranging from .008 inches to .090 inches (click on the photo for a larger image)