Cold drawn seamless hexagonal tubes 22.00 x 17.00 x 2.50 mm 1.326 Kg / m E355 1.0580 Specifications Specifications Cold drawn seamless hexagonal tubes, similar to EN 10305-1, E 355 +C, (DIN 2391/C, St 52/55, BK) Categories Form Hexagonal tubes Material C Steel Product category Form tubes seamless Supplementary information Grade E355 Dimension features Outer width across flats 22.00 mm Inner width across flats 17.00 mm thickness 2.50 mm Production tolerances SWA min 21.840 mm SWA max 22.160 mm SWI min 17.000 mm SWI max 17.320 mm s min 2.250 mm s max 2.750 mm Supplementary information Material Number 1.0580 Delivery state +C Bar length 6000.00 mm Tolerances Tolerances (mm) SWA min 21.840 SWA max 22.160 SWI min 17.000 SWI max 17.320 s min 2.250 s max 2.750 available assemble