HSS 12 To 18 Inch Square & Rectangle Steel Tubing

12 to 18 Inch Squares & Rectangles

Valmont HSS SuperStruct produces the broadest domestic size range of HSS square and rectangle tubes in North America.  Made in the USA, our welded custom hollow structural section steel tubes are produced from 12 inch up to 60 inch in square, rectangular and custom shaped sizes and in an almost limitless range of fractional sizes in between.  To inquire for pricing or to get more information about our capabilities, please call us at 1-800-825-6668 extension 3811 or email us at tubing@valmont.com.  

Below is a listing of standard 12 inch to 18 inch square and rectangle sizes that we are capable of producing.  For a searchable catalog of our most popular sizes up to 60 inch square along with wall thickness, weight per foot information and specification sheet, please visit the HSS SuperStruct Product Catalog.

Standard 12 to 18 Inch HSS Square & Rectangle Sizes
12 Inch  13 Inch  14 Inch 15 Inch  16 Inch 17 Inch  18 Inch
 12 x 12 13 x 13  14 x 14 15 x 15  16 x 16  17 x 17 18 x 18
 12 x 11  13 x 12  14 x 13  15 x 14  16 x 15  17 x 16  18 x 17
12 x 10  13 x 11  14 x 12  15 x 13  16 x 14  17 x 15  18 x 16
   13 x 10  14 x 11  15 x 12  16 x 13  17 x 14  18 x 15
     14 x 10  15 x 11  16 x 12  17 x 13  18 x 14
       15 x 10  16 x 11  17 x 12  18 x 13
         16 x 10  17 x 11  18 x 12
           17 x 10  18 x 11
             18 x 10
HSS SuperStruct tubes are produced to ASTM specification A1065 with wall thicknesses including .312", .375", .500", .625", .750" and 1.00" with steel grades that include A572 Grade 50, Grade 65, Grade 70 and A588 weathering steel.  Tube lengths up to 60 foot can be produced as well depending upon the size and wall thickness combination.