ASTM A53 SCH40 Galvanized Pipe Inquiry | 3/4 Inch Threaded Coupled Gas Water Line Requirements
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InvoicingBy Theoretical WeightOiled or Non-oiledSlightly Oiled
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Section ShapeRoundSurface TreatmentGalvanized
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Tolerance±1%Model NumberHH03
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Alloy Or NotNon-AlloyApplicationFluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil Pipe, Chemical Fertilizer Pipe, Structure Pipe, Other
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CertificateAPI , CE, BSI, RoHS, SNI, BIS, Saso, PVOC, SONCAP, SABS, SIRM, TISI, KS, JIS, Gs, ISO 9001Delivery Timewithin 7 days
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GradeQ235BOuter Diameter3 - 700 mm(0.12-27.56in)
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Processing ServiceWelding, Punching, Cutting, Bending, DecoilingSpecial PipeAPI Pipe, Other, EMT Pipe, Thick Wall Pipe
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StandardGB, AISI ASTM JIS DIN GBProduct nameGalvanized Steel Pipe
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MaterialQ235/Q235B/Q345/Q345B/Q195/St37/St42/St37-2/St35.4/St52.4/St35TechniqueCold Drawn Hot Rolled
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ShapeRound Pipe TubeZinc layer thickness0.8-4.0mm or customized
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Diameter15-50mm or customizedWall thickness2-10mm or customized
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PackingStandard Seaworthy PackingPayment terms30%TT Advance + 70% Balance
Define nominal size and end connection requirements before accepting a scheduled pipe order.
Schedule and material
The title requests A53 SCH40 and 3/4 inch, while the detail names Q235B with broader material references. Agree actual standard and grade and verify nominal size and wall against the required schedule.
Threads and coupling
The detail does not provide thread or coupling geometry. Specify actual connection standard, engagement and supplied fittings rather than assuming a completed threaded and coupled pipe from the title.
- Actual standard and grade
- Nominal size and compatible wall
- Thread and coupling specification
- Length and zinc inspection
- Gas or water service tests
Service acceptance
Broad OD and wall scopes and selectable lengths are described with an ambiguous zinc layer. Clarify actual dimensions and coating basis; these references do not establish pressure capacity, potable water approval or leak performance of an installed line.





