Typical applications for hollow sections are fencing, burglar proofing, exterior frame works like metal furniture and bicycle frames.

Our products are manufactured from high quality hot and cold rolled materials. Sembule products conform to the Japanese standards JIS G3444 and JIS G3466.

Sembule offers round, square and rectangular hollow sections in various thicknesses and sizes. Hollow sections can be manufactured to meet the customer's specifications. The table below shows the dimensions of some of the most popular hollow sections.

Shape	Cross sectional size range	Wall Thickness
.	(mm x mm)	(mm)
Square	(12 x 12) to (75 x 75)	0.8 to 3.0
Rectangular	(10 x 20) to (100 x 50)	0.8 to 3.0
Round	(Diameter) 16 to 80	0.8 to 3.0