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HFW Pipes

High Frequency Welded Pipes (HFW)

HFW pipes are made from hot rolled flat steel strip, formed into a tubular shape. The longitudinal seam is welded by heating the edges using a high frequency induction coil and by applying pressure to these edges. The weld joint is achieved without any additional filler metal.

ZAFFERTEC S.L. supplies HFW pipes from the best European manufacturers with the following standards:

Standards: ASTM A-53, A135, 500, A513, A523, A847, A984, API 5L, IS-1161, 1239, 1978, 3589, 3601, 4270.

Size Range: 6" to 16"

Thickness: 3.20 to 12.70mm

Ends: 2" below plain ends, 2" above beveled ends. Threaded ends are usually available upon request from client.


  • Oil and Gas Pipelines
  • Petrochemical Plants
  • Water Supply Systems
  • Structural Pipes
  • General purpose applications

Technical Specification:

  • Pipe Dimensional and Schedule Table According to ANSI B36.10 - B36.19

  • Seamless and Welded Pipes Dimensions Table