Galvanized Square Hollow Steel Tube | 2.5 Inch 6m Rectangular Section Inquiry
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InvoicingBy Actual 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 PipeCertificateAPI , CE, BIS, BSI, KS, JIS
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Delivery Timewithin 7 daysGradeGalvanized Steel
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Processing ServiceWelding, Cutting, Punching, Bending, DecoilingSpecial PipeAPI Pipe, EMT Pipe, Thick Wall Pipe, Other
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StandardASTMTechniqueERW
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Product nameGalvanized Steel Square TubeSurfaceGalvanized Coating
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Zinc layer thickness2.5~15μm or customizedLength5.8-12m or customized
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Outer diameter10x10mm,15x15mm,20x20mm,etc or customizedWall thickness2-10mm or customized
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ShapeSquare ShapePayment term30%TT Advance + 70% Balance
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PackageStandard Seaworth PackingDeliveryWithin 7 Days
Provide the actual outside section and wall before ordering galvanized hollow steel tube.
Section geometry
The detail identifies square ERW tube, while the title also requests a rectangular section. Confirm the required shape and meaning of the 2.5 inch dimension instead of assuming an outside width or a particular pair of sides.
Wall and length
Actual wall options span 0.5–6 mm and length choices include 6, 6.4 and 12 m, alongside different detailed ranges. Agree a compatible actual wall, finished length and tolerances for the selected section.
- Actual steel grade
- Square or rectangular sides
- Compatible wall thickness
- Finished length and tolerance
- Zinc layer inspection basis
Application acceptance
A 2.5–15 µm zinc layer is described without performance results. Confirm the actual coating measurement and intended fabrication requirements; hollow section wording establishes no pressure rating, structural capacity or certified ASTM compliance.





