Galvanized Welded GI Square and Rectangular Hollow Tube | 20×20 30×30 and 6m Requests
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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 Welded GI Square and Rectangular Hollow Tube | 20×20 30×30 and 6m Requests
Galvanized hollow steel tube has an actual 0.5–6.5mm or customized wall selection with 6m, 6.4m and 12m lengths. The body names square, rectangular and round shapes and a broader 1–12m or customized length range.
The title requests 20×20 and 30×30 sizes; 20×20mm appears among the body examples, while 30×30mm needs confirmation. Select one section and feasible wall combination. The technique field reads Saw and does not resolve the welded manufacturing route requested in the title.
Specify the substrate grade and zinc coating acceptance rather than treating the long grade and standard lists as equivalents. JIS and GS references require appropriate documentation. Construction or fluid-pipe application names do not establish a safe load or pressure rating; provide the governing section specification and processing drawing for the intended use.





