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Stockist & supplierPipesTG-TDS-022 · Rev. 0 · October 2026

Carbon Steel Seamless Pipe — Technical Data Sheet

Seamless carbon steel pipe is the standard material for process, steam, oil and gas lines. ASTM A106 Grade B is specified for high-temperature service; API 5L Grade B and X-grades for line pipe.

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Specification

ProductCarbon Steel Seamless Pipe
SupplyStockist and supplier — sourced from approved mills; not manufactured by Teshi Group
SpecificationsASTM A106 / ASME SA106; ASTM A53; API 5L PSL1 / PSL2; dimensions to ASME B36.10M
Size rangeNPS ⅛" to 24" seamless; larger sizes in ERW / LSAW
Wall thicknessSch 10, 20, 30, 40 (STD), 60, 80 (XS), 100, 120, 140, 160, XXS
ConditionHot finished or cold drawn; plain or bevelled ends; black, varnished or galvanised
LengthSingle random (5–7 m), double random (10–12 m) or cut to length
ServicesCutting, bevelling to ASME B16.25, and supply with Teshi-manufactured flanges and fittings

Materials

Seamless carbon steelASTM A106 Gr.B, ASTM A53 Gr.B (seamless), API 5L Gr.B PSL1

Typical applications

  • Process and utility piping
  • Steam and boiler piping (IBR)
  • Oil and gas line pipe

Supply

Carbon Steel Seamless Pipe is stocked and supplied by Teshi Group from approved manufacturers. It is not manufactured by Teshi Group; the original manufacturer's test certificate accompanies every consignment.

Inspection and testing

  • Mill testing to the pipe specification: chemical analysis, tensile, flattening or bend, and hydrostatic or NDT of every length.
  • Teshi receiving inspection: verification of markings and heat numbers against the mill certificate, visual and dimensional check.
  • PMI on alloy and stainless pipe before dispatch.
  • Additional testing or third-party inspection on request.

Marking

Mill stencil along each length: manufacturer, specification, grade, size, schedule, heat number and length.

Documentation

Original mill test certificate to EN 10204 3.1 for each heat supplied. IBR-certified material on request.

Packing

Bundled with steel straps, ends fitted with plastic caps; bevel protectors on bevelled pipe.

Ordering information

Please state the following on your enquiry:

  • Specification and grade
  • Nominal size and schedule or wall thickness
  • Seamless or welded
  • Length and end finish
  • IBR, NACE or third-party inspection requirements
  • Quantity in metres or tonnes

Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.

Dimensions

FAQ

Carbon Steel Seamless Pipe: common questions

Does Teshi Group manufacture this pipe?

No. Teshi Group is a stockist and supplier of pipe from approved mills, and manufactures the flanges and fittings that go with it.

Ready to build to spec?

Share your drawing, bill of materials or technical requirements with the Teshi team.