Square tubes is a form of tube type, people have a different name on it, called the rectangular tubes, rectangular tubes, square tubes, welded Square Tube, because it has a lot of kinds of material of material can make the tube body, usually square tube is formed after unpacking, kaiping, bending st.
| REGULARΒ SIZE | ||
|---|---|---|
| SIZE (OUTER DIAMETER) | WALL THICKNESS | LENGTH |
| 20x20 / 25x25 | 1.2MM --2.75MM | 6M IN STOCK (OR CUSTOMIZED) |
| 30x30 / 20x40 / 30x40 / 25x40 | 1.2MM -- 3.5MM | 6M IN STOCK (OR CUSTOMIZED) |
| 40x40 / 50x50 30x50 / 25x50 / 30x60 / 40x60 | 1.2MM -- 4.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 60x60 / 50x70 / 40x80 / 40x50 | 1.2 MM -- 5.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 70x70 / 60x80 / 50x80 / 100x40 / 50x90 | 1.5MM -- 5.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 75x75 / 80x80 / 90x90 60x100 / 50x100 / 120x60 / 100x80 / 60x90 | 1.5MM -- 7.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 100x100 / 120x80 | 1.8MM -- 7.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 120x120 / 130x130 180x80 / 160x80 / 100x150 / 140x80 / 140x60 | 2.5MM -- 10.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 140x140 / 150x150 / 100x180 / 200x100 | 2.5MM -- 10.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 160x160 / 180x180 / 200x150 | 3.5MM -- 11.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 200x200 / 250x150 / 100x250 | 3.5MM -- 11.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 250x250 / 250x200 / 300x150 / 300x200 | 4.5MM -- 15.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 300x300 / 350x200 / 350x250 /300x150 | 4.5MM -- 15.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 350x350 350x300 / 450x250 / 400x300 / 500x200 | 4.5MM -- 15.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 400x400 / 280x280 450x300 / 450x200 / 400x350 / 400x250 / 500x250 / 500x300 | 4.5MM -- 15.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
Square tubes is a form of tube type, people have a different name on it, called the rectangular tubes, rectangular tubes, square tubes, welded Square Tube, because it has a lot of kinds of material of material can make the tube body, usually square tube is formed after unpacking, kaiping, bending st..
Square tubes is a form of tube type, people have a different name on it, called the rectangular tubes, rectangular tubes, square tubes, welded Square Tube, because it has a lot of kinds of material of material can make the tube body, usually square tube is formed after unpacking, kaiping, bending strip welding pipe, again by the mechanism of rolling into a square tube.
Carbon Square Steel Pipe, Rectangular Steel Pipe, steel hollow section, divided according to the shape of the section, is a name for Square Pipe and rectangular pipe. It is made of strip steel that has been processed and rolled. Generally, the strip is unpacked, flattened, coiled, welded to form a Round Tube, and then rolled into a square tube from the round tube and then cut to the required length. Square rectangular tube is also called cold-formed hollow Section Steel, referred to as square tube and rectangular tube.
SQUARE AND RECTANGULAR HOLLOW SECTION PIPE/ TUBE
Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
Square and rectangular steel pipes are used for steel structures, trusses, frames, scaffolding, machinery frames, vehicle bodies, handrails, guardrails, greenhouses, storage racks and furniture frames.
| Section (mm) | 20Γ20 β 400Γ400 (square); 20Γ30 β 400Γ600 (rectangular) |
|---|---|
| Wall Thickness | 1.0mm β 16mm |
| Grade | Q195 / Q235 / Q345 / S235JR / S355JR / SS400 |
| Standard | GB/T 6728, EN 10219, ASTM A500, JIS G3466 |
| Length | 6m β 12m, or cut to size |
Flattening, bending and tensile tests performed on each batch with mill certificate. Packaging: bundles with steel straps, end caps protection, waterproof wrapping for sea transport.
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For more information about Q195 Q235 Rectangular Square Steel Pipe for Structure or to place an order, please contact our sales team. We reply within 24 hours.





