ASTM Tube Specification
Our HSS SuperStruct square, rectangle and custom shaped tubes conform to the standards set out by the ASTM International's Specification A1065 - Cold Formed Electric-Fusion (Arc) Welded High Strength Low Alloy (HSLA) Structural Tubing in Shapes. For more detailed information pertaining to ASTM A1065 and standard tolerances such as wall thickness, length, straightness, squareness of sides, twist and corner radius, please click here.
To find the dimensional properties for our A1065 square and rectangle HSS SuperStruct tubes sizes that we produce including the moment of inertia, elastic section modulus along with the torsional stiffness and shear constant, please click on the links that follow:
ASTM A1065 Square Properties
ASTM A1065 Rectangle Properties
ASTM Material Specifications
Unless otherwise requested by our customer, the steel used to produce our HSS SuperStruct tube sections will meet the requirements of ASTM A572 Grades 50 and 50W (enhanced atmospheric corrosion resistance). In addition, options such as ASTM A572 Grade 65 and Grade 70 are available along with ASTM A588 Weathering Steel. Please inquire with your specific requirements (whether listed here or not) at the time of your request for quotation.