Square tube (HSS): line drawing of the cross-section. One drawing covers every size; the dimensions are in the table below.

Square tube (HSS)

ASTM A500 Grade B/C square hollow structural sections.

GradeA500 Gr. B/C
Lengths20, 24, 40 ft
Typical lot1+ ton

Also called: HSS, tube steel, square tubing.

Sizelb/ftUnitTarget priceAction
2x2x3/164.32lf$4.50/lf
2x2x1/45.41lf$5.60/lf
3x3x3/166.87lf$7.10/lf
3x3x1/48.81lf$8.80/lf
4x4x1/412.21lf$13/lf
4x4x3/817.27lf$18/lf
5x5x1/415.62lf$16/lf
6x6x1/419.02lf$20/lf
6x6x3/827.48lf$29/lf
8x8x3/837.69lf$39/lf

Target prices are 20% below typical market. We source each order, then confirm price and quantity in a written quote. Typical lot: 1+ ton. Orders under $5,000 may be combined with other requests or declined.