SQUARE/RECTANGLE
HOLLOW SECTIONS
PRODUCT INFORMATION
Square steel pipes are defined as steel pipes with equal side lengths, which are produced by processing strip steel. Typically, the strip steel is unpacked, flattened, crimped, and welded to create a round tube. This round tube is then rolled to form a square shape and cut to the desired length. Square pipes are available in two variations: seamless and welded seams. Seamless square pipes are formed by extruding seamless round pipes to achieve their square shape.
These versatile square pipes find a wide range of applications in various industries and projects. They are commonly used in construction, machinery manufacturing, steel structures, shipbuilding, solar power generation brackets, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automobile chassis, airports, boiler construction, highway railings, housing construction, pressure vessels, petroleum storage tanks, bridges, power station equipment, lifting and transportation machinery, as well as other high-load welded structural parts.
The excellent strength and durability of square steel pipes make them essential components in diverse applications, where their reliable performance ensures the integrity and stability of critical structures and equipment.
Don’t see the size or specifications you need listed below? Contact us for advice.
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Product Parameters
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Commodity
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Galvanized square/ rectangle steel pipe
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Outer Diameter
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1/8"-24" (10.3mm-610mm)
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Length
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1-12m or as your requirement, Ready to ship pipes are 6m long
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Zinc Coating
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Pre-galvanized: Z40-80g/m2Hot dip galvanized: Z200-600g/m2
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Steel Material
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GB/T 700Q195-Q420 Series / JIS G3101SS400-SS540 Series / EN10025 S235JR-S355JR Series / DIN EN10025 ST Series / ASTM/A29MA36-A992 Series
ASTM/ A29MGr50 Series / Q195 → Grade B, SS330, SPHC, S185 Q215 → Grade C, CS Type B, SS330, SPHC Q235 → Grade D, SS400, S235JR, S235JO, S235J2 / Q345 → SS500, ST52 |
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Standard
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BS1387, EN10297, BS6323, BSEN10217, GB/T13793-1992, GB/T14291-2006, GB/T3091-1993, GB/T3092-1993, GB3640-88, ASTM A53/A36, EN39/EN10219, API 5L, GB/T9711.1-99 etc.
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Section shape
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Square/Rectangular
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Surface Treatment
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Galvanized, 3 PE, FBE, corrosion resistant coating
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Ends
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Plain /Beveled/Thread with coupling and cap
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End protector
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Plastic pipe cap/Iron protector
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Individual Service
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print your logo or brand name on the pipes
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Technology
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Hot Rolled/Cold Rolled/Black Annealed
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Certification
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CE & ISO
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