ERW Carbon Steel Pipe for Industrial Pipelines
For industrial sourcing
Prepare a clearer RFQ
Include the details below so RELIA can understand the part and discuss the next step with you.
- Drawing, sample, or reference standard
- Material grade and preferred process
- Dimensions, tolerances, and surface finish
- Application, target quantity, and destination
Production timing, packing, and shipping terms are confirmed for each project after specifications and trade terms are agreed.
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InvoicingBy Actual WeightOiled or Non-oiledNon-oiled
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Section ShapeRoundSurface TreatmentCold Rolled
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Tolerance±1%Alloy Or NotNon-Alloy
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ApplicationFluid Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil PipeCertificateAPI , ISO 9001
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Delivery Time8 ~ 14 daysGradecarbon steel
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Outer Diameter219 - 1066 mmSpecial PipeAPI Pipe, Other, EMT Pipe, Thick Wall Pipe
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StandardASTMTechniqueERW
This industrial pipeline listing identifies round, non-alloy carbon steel pipe with ERW and cold-rolled references. Its title combines GOST 8732-78, 20# and EN wording, while the table says ASTM. The governing specification needs clarification before the product is selected against a project standard.
Resolve the standard and grade requirements
Ask the supplier to identify the exact numbered standard, edition and scope for the pipe offered. The listed GOST, EN and ASTM references do not establish simultaneous conformity or equivalent requirements. Obtain the intended meaning of 20# with the actual grade, chemistry, mechanical properties and supply condition records.
Confirm how ERW manufacture and cold processing relate to the selected production route, including the weld and inspection requirements. Do not infer a seamless route from a standard name. API and ISO 9001 table labels need actual documents and applicable scope before being treated as certification evidence.
Select one dimensioned pipe configuration
The order options pair a 6–20 mm thickness entry with either 6 m or 12 m length. Outer diameter is listed broadly as 219–1066 mm. Define the exact diameter, wall and length combination, and obtain confirmation that the chosen dimensions are available for the applicable specification.
Determine which dimension the ±1% tolerance covers and the measurement basis used for acceptance. Add straightness, ovality, bore or end requirements where the application calls for them. Broad catalogue ranges do not demonstrate that every combination is offered or interchangeable.
Confirm the intended pipeline, drill or EMT role
State the medium, pressure, temperature and mechanical loads, and identify any drilling, hydraulic or electrical installation requirements separately. The broad application labels do not qualify the pipe for every role. Agree testing, traceability, non-oiled preservation and storage, then reconfirm actual-weight invoicing and the 8–14-day delivery wording for the selected order.
Technical information for every product inquiry
Prepare the requirement before final product confirmation.
The product page is a starting point. Drawings, samples, interfaces, materials, quantities and acceptance requirements are reviewed before stock matching or custom production is confirmed.
Discuss this product in your project context.
Share the available drawing, sample, reference, target quantity and application information. Unknown items can remain open for review.
