HSS8x4x3/8 HSS8x4x3/8 Rectangular HSS RHS 40.895 203.2 101.6 9.525 8.858 17.717 4884 40.8929 24407324 240230 307042 70.6958 8148319 160400 188147 40.8477 20654714 0.5792 0.5235 Pending verification – nominal dimensions entered by the application developer ASTM A500/A500M and AISC Shapes Database (rectangular HSS) 2026-10-12 UNVERIFIED Outer corner radius 2.0 × design wall thickness (AISC convention) for property calculation; confirm against ASTM A500/A500M and AISC Shapes Database (rectangular HSS) and the manufacturer catalogue. Typical grade: A500 Gr C.