$5801000-299999 Kilogram
$550300000-499999 Kilogram
$520≥500000Kilogram
| Payment Type: | L/C,T/T |
| Incoterm: | FOB,CIF |
| Transportation: | Ocean,Land,Air,Express |
| Port: | Shanghai,Tianjin,Qingdao |
Model No.: Q195/Q215/Q235/Q255/Q275/Q295/Q345/Q355/Q390/Q420/S235JR/S275JR/S355JR/St37-2/St44-
Brand: Xinsuju
Place Of Origin: China
Shape: Square
Material: Cast Iron
Species: Seamless
Processing Service: Welding, Bending, Punching, Decoiling, Cutting
Length: 6-12m,or customized
Width: 10-500mm, or customized
Height: 10-500mm, or customized
Thickness: 0.4-30mm, or customized
Technique: cold drawn/cold rolled/hot drawn
| Selling Units | : | Kilogram |
| Package Type | : | Standard export packing |
| Picture Example | : |
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Square Pipe, square pipe and rectangular pipe is a kind of address, that is, the side length is equal and unequal Steel Pipe. It is made of strip steel through processing and rolling. Generally, strip steel is unpacked, leveled, crimped, welded to form a round tube, which is then rolled into a Square Tube and cut to the required length.
Product name Cast Iron Square Pipe Standard ASTM, AISI, ASME,JIS, DIN, EN,GB,BS Brand Xinsuju Material specification 1. Carbon structural steel: such as Q235, Q345, etc., suitable for general machinery manufacturing, building structure and other fields. 2. Low alloy high strength structural steel: such as Q345B, Q345C, etc., suitable for large buildings, Bridges, ships, machinery and other fields. 3 Stainless Steel: such as 304, 316, etc., suitable for chemical, medicine, food and other fields. 4. Aluminum alloy: such as 6061, 6063, etc., suitable for aviation, automobile, construction and other fields. 5. Titanium alloy: such as Ti-6Al-4V, suitable for aviation, aerospace, medical and other fields. Certificate BV, ISO, CE, SGS etc Type Equal Square Pipe / Unequal Square pipe Height 10-500mm, or customized Width 10-500mm, or customized Thickness 0.4-30mm, or customized Length 6-12m,or customized Technique cold drawn/cold rolled/hot drawn Application Widely used in petroleum,foodstuff,chemical industry,construction, electric power,nuclear,energy,machinery, biotechnology, paper making, shipbuilding, boiler fields. Trade Terms FOB CIF CFR EXW Payment Terms L/C,T/T
Process flow of seamless square tube
Round steel—tube billet—inspection—heating—perforation—sizing—hot rolling—flat head—inspection—pickling—spherical annealing—cold drawing—forming—even mouth— test
| square pipe(mm) | Rectangular Tube(mm) | ||
| 16×16×0.4~1.5 | 250×250×6.0~30.0 | 10×20×0.6~1.5 | 120×80×2.5~10.0 |
| 18×18×0.4~1.5 | 280×280×6.0~30.0 | 14×21×0.6~1.5 | 150×100×2.5~12.0 |
| 20×20×0.4~1.5 | 300×300×8.0~30.0 | 15×30×1.5~1.5 | 180×150×2.5~12.0 |
| 25×25×0.6~2.0 | 320×320×8.0~30.0 | 15×38×0.6~1.5 | 200×100×4~12.0 |
| 30×30×0.6~4.0 | 350×350×8.0~30.0 | 20×30×0.6~2.0 | 200×150×4~12.0 |
| 34×34×1.0~2.0 | 380×380×8.0~30.0 | 20×40×0.8~2.0 | 250×150×6~12.0 |
| 35×35×1.0~4.0 | 400×400×8.0~30.0 | 20×50×1.0~2.0 | 250×100×6~12.0 |
| 38×38×1.0~4.0 | 420×420×10.0~30.0 | 22×35×0.9~2.0 | 250×200×6~30.0 |
| 40×40×1.0~4.5 | 450×450×10.0~30.0 | 25×40×0.9~3.75 | 300×150×6~30.0 |
| 44×44×1.0~4.5 | 480×480×10.0~30.0 | 25×65×1.0~2.0 | 300×200×6~30.0 |
| 45×45×1.0~5.0 | 500×500×10.0~30.0 | 30×40×1.0~3.75 | 300×250×6~30.0 |
| 50×50×1.0~5.0 | 30×45×1.0~3.75 | 400×250×8~30.0 | |
| 60×60×1.5~5.0 | 30×50×1.0~4.0 | 400×300×8~30.0 | |
| 70×70×2.0~6.0 | 30×60×1.0~4.5 | 450×200×8~30.0 | |
| 75×75×2.0~6.0 | 40×50×1.0~4.5 | 450×250×8~30.0 | |
| 80×80×2.0~6.0 | 40×60×1.0~5.0 | 400×300×8~30.0 | |
| 85×85×2.0~6.0 | 40×80×1.5~5.0 | 400×350×8~30.0 | |
| 95×95×2.0~8.0 | 40×100×2.0~5.0 | 500×200×10~30.0 | |
| 100×100×2.0~8.0 | 50×60×2.0~5.0 | 500×250×10~30.0 | |
| 120×120×4.0~8.0 | 50×80×2.0~5.0 | 500×300×10~30.0 | |
| 150×150×6.0~10.0 | 50×100×2.0~8.0 | 500×350×10~30.0 | |
| 180×180×6.0~12.0 | 60×80×2.0~6.0 | 500×400×10~30.0 | |
| 200×200×6.0~30.0 | 80×100×2.0~8.0 | 500×450×10~30.0 | |
| 220×220×6.0~30.0 | 120×60×2.5~10.0 | ||
Application:
Widely used in machinery manufacturing, construction industry, metallurgical industry, agricultural vehicles, agricultural greenhouses, automobile industry, railway, highway guardrail, container skeleton, furniture, decoration and steel structure fields.
Used in engineering construction, glass curtain wall, door and window decoration, steel structure, guardrail, machinery manufacturing, automobile manufacturing, household appliance manufacturing, shipbuilding, container manufacturing, electric power, agricultural construction, agricultural greenhouse, bicycle rack, motorcycle rack, shelves, fitness equipment, leisure and tourism supplies, steel furniture, various specifications of oil casing, oil tubing and pipeline pipe, water, gas, sewage, air, mining Warm and other fluid transmission, fire and support, construction, etc. 
Our advantages:
1.We are the specialized supplier of steel materials, can provide the reasonable price!
2.We have more than 20 years experience in exporting products to worldwide countries, can provide the high quality products!
3.We have five thousand tons of stock in warehouses with abundant capital. Furthermore, we offer charge sales, credit and 7-day 24-hour services.
4.Wide excellent experiences with after-sale service.
5.Every process will be checked by responsible QC which insures every product's quality.
6.Professional packing teams which keep every packing safely.
7.Trial order can be done in one week.
8.Samples can be provided as your requirements.
Other products:
Seamless Stainless Steel Pipe,Galvanized Coil, Aluminium Alloy Pipe, ect.
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