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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.
Galvanized 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.
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Product Name |
Square/Rectangular Pipe |
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Material |
Q195 similar to a283 GR.B, 040a10, ss330 Q235 similar to a283 GR.D, 080a15,CS type B Q345 similar to a737 GR.B, SS400, S235JR |
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Material Chemical Composition |
Tensile strength: 315-430(Mpa) Yield steength: 195(Mpa) Elongation: 33 |
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Shape |
Square / Rectangular |
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Outer Dia (mm) |
15*15mm-1000*1000mm / 10*20mm-700*300mm |
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Wall Thickness (mm) |
0.6-25mm |
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Length |
5.8m-12m |
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Surface Treatment |
1) Black, Pre-galvanized 2) Oiled, powder coating 3) Galvanized as your requirement PS: Pre galvanized steel pipe: 60-150g/m2; Hot dipped galvanized steel pipe: 200-400g/m2 |
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End Finish |
Plain/ beveled ends or threaded with sockets/coupling and plastic caps. |
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Packaging |
Packing in bundle with steel strips; with seaworthy package at the end; could be done with your requirement. |
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Inspection |
With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection, With Nondestructive Inspection |
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Application |
Construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Building material, Furniture tube, Low pressure fluid tube, etc |
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HS Code |
7306309000 |
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Others |
1. Special design available according to requirement |
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Square and Rectangular Steel Pipe size chart
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Square Hollow Section
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Rectangular Hollow Section
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Thickness
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20*20 25*25 30*30
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20*40 30*40
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1.2-3.0
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40*40 50*50
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30*50 25*50 30*60 40*60
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1.2-4.75
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60*60
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50*70 40*80
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1.2-5.75
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70*70 80*80 75*75 90*90 100*100
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60*80 50*80 100*40 120*80
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1.5-5.75
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120*120 140*140 150*150
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160*80 100*150 140*80 100*180 200*100
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2.5-10.0
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160*160 180*180 200*200
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200*150 250*150
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3.5-12.0
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250*250 300*300 400*200 350*350 350*300
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250*200 300*200 350*200 350*250 450*250 400*300 500*200
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4.5-15.75
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400*400 280*280 450*300 450*200
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400*350 400*250 500*250 500*300 400*600
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5.0-20.0
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Packaging And Transportation
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Main Product:
Carbon Steel Pipe ,
Galvanized Steel Pipe,
Seamless Steel Pipe,
Square Steel Pipe,
Steel Section,
Galvanized Iron Wire
