Square and rectangular inner tubes can be inserted into the outer square steel pipe!
We offer the "To-toku Size Slide Series" of square steel pipes and shaped pipes. You can insert a square steel pipe inner tube into a square steel pipe outer tube. The square steel pipes are made from beat-cut material. Please be aware that when they are long, they may not be able to be inserted due to bending or twisting. We have a lineup of square and rectangular shapes. 【Features】 ■ You can insert a square steel pipe inner tube into a square steel pipe outer tube. ■ Square steel pipes: made from beat-cut material. ■ Lineup includes square and rectangular shapes. *For more details, please refer to the PDF document or feel free to contact us.
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Toyo Special Steel Industry uses round pipes (steel pipes) as raw materials and is primarily based on cold roll forming processing. The three main methods it employs are drawing (draw bench - 30 years), roll forming (40 years), and extrusion (extrusion forming - 35 years). Currently, the company focuses on the extrusion method for large diameter sizes and the roll forming method for medium and small diameter sizes, innovating its equipment accordingly. Currently, the company is manufacturing its 14th unit, with 6 units operational at the Tsuge factory.