Galvanized Square Steel Pipe – 20×20mm Greenhouse Tube Inquiry, 0.5–6.5mm Wall Range
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InvoicingBy Theoretical WeightOiled or Non-oiledNon-oiled
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Section ShapeSquareSurface TreatmentGalvanized
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Tolerance±1%Alloy Or NotNon-Alloy
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ApplicationFluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil Pipe, Chemical Fertilizer Pipe, Structure Pipe, OtherCertificateAPI , CE, BSI, RoHS, SNI, BIS, Saso, PVOC, SONCAP, SABS, SIRM, TISI, KS, JIS, Gs, ISO 9001
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Delivery Timewithin 7 daysGradeS235JR,S235JO,S235J2,SS330,SPHC, S185,CS Type B
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Length12 m, 6 m, 6.4 m, 1-12m or CustomizedProcessing ServiceWelding, Punching, Cutting, Bending, Decoiling
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Special PipeAPI Pipe, Other, EMT Pipe, Thick Wall PipeStandardASTM
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TechniqueSawProduct nameGalvanized Square Steel Pipe
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MaterialQ235/Q345/SS400/ST37-2/ST52/Q420/Q460/S235JR/S275JR/S355JRSurfaceZinc Coating
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ShapeSquare, Rectangular,Round or CustomizedWall thickness0.5-6.5mm or customized
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Outer Diameter10x10mm, 15x15mm, 20x20mm, 25x25mm, etc or CustomizedMOQ1 Ton
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PackingStandard Seaworthy PackingUsageBuilding Construction
Galvanized square steel pipe has one actual wall-range label: 0.5–6.5mm. The 20×20mm greenhouse requirement needs an exact section and wall pairing.
Provide section dimensions
Family references include10×10,15×15,20×20 and25×25mm or customized. Square, rectangular and round alternatives are not an actual selectable shape matrix.
- Square section field.
- Zinc-coated surface.
- Non-oiled description.
- 6/6.4/12m length references.
- Custom lengths up to12m described.
Select the actual material
JIS G3466 and STK400 title wording require applicable grade/standard confirmation. The listed S235JR/Q235 and broader alternatives are not automatic equivalents.
Agree greenhouse acceptance
Request dimensional, weld and coating inspection records. Weather-resistant and greenhouse contexts do not establish wind capacity, corrosion life or a rated structural assembly without actual project design and tests.





