Q700 Galvanized Square Tube Inquiry –20×20/25×25mm Sections and6m6.4m12m Lengths
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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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Processing ServiceWelding, Punching, Cutting, Bending, DecoilingSpecial PipeAPI Pipe, Other, EMT Pipe, Thick Wall Pipe
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StandardASTMTechniqueSaw
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Product nameGalvanized Square Steel PipeMaterialQ235/Q345/SS400/ST37-2/ST52/Q420/Q460/S235JR/S275JR/S355JR
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SurfaceZinc CoatingShapeSquare, Rectangular,Round or Customized
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Length1-12m 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 pipe has three actual wall-range/length pairings. The0.5–6.5mm label pairs with6m,6.4m and12m, while section dimensions require actual selection.
Specify legs and wall
20×20/25×25mm are title and family references, not separate actual variants. Confirm square or rectangular geometry, wall thickness and corner requirements together.
- Square section field.
- Zinc-coating surface.
- Non-oiled description.
- 1–12m/custom length family.
- Cutting and bending services.
Verify the requested material
Q700 is not confirmed by the Q235/Q345/S235-family data. Request actual chemistry, condition and mechanical tests before assigning a high-strength grade.
Agree fabrication acceptance
Provide actual connection and dimensional criteria. Building and fluid-service contexts do not establish load capacity, pressure ratings, zinc quantity or corrosion life for the chosen tube without selected-product evidence.




