Pipe Steel Industries logoPipe Steel Industries

Carbon Steel Pipes — ASTM A53, A106, API 5L

Pipe Steel Industries supplies seamless and ERW carbon steel pipes to ASTM A53, ASTM A106, ASTM A333 and API 5L for pressure, structural and line pipe applications. Pipes are manufactured from fully killed steel billets and HRC with controlled rolling, heat treatment and online straightening.

Every batch is verified through Eddy Current, ultrasonic (UT) and hydrostatic testing, with mill test certificates supplied against each order. Mills and warehousing near Tianjin International Sea Port support fast export delivery for project schedules.

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ASTM A53 carbon steel ERW pipes stacked at warehouse

Standards & Grades

PropertyDetails
StandardsASTM A53, ASTM A106, ASTM A333, ASTM A671, ASTM A672, API 5L
FormsSeamless (SMLS), ERW, EFW, SAW
GradesGr.B, X42, X46, X52, X60, X65, X70
Buttweld fittingsASTM A234 Gr.WPB, ASTM A420 Gr.WPL6
Forged fittings & flangesASTM A105, ASTM A350 LF2
TestingEddy Current, UT, hydrostatic testing

Applications

  • Oil & gas gathering and process piping
  • HVAC chilled water and district cooling networks
  • Water distribution and plumbing systems
  • Structural works and piling pipes
  • Power generation and petrochemical plants
  • Low-temperature service (ASTM A333)

Finishes & Options

  • Bare / mill finish with anti-rust oil
  • Hot-dip galvanized
  • Shot blasted and primed
  • External coating to project specification
  • Beveled, plain or threaded ends; grooved on request

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