Pennar is the go-to name when it comes to ERW Tubes. Pennar produces high quality tubes conforming to A513, IS 3074 and IS 4923 standards, and aims to ½ ASTM tolerances.  Our in- house tooling capability helps in producing specially designed rolls for progressive movement of steel strip. This reduces costs as well as delivery time.


  • Specially designed rolls for progressive movement of steel strip.
  • High frequency induction welding process without any filler material for welding of butted ends.
  • Deburring units remove the internal and external hot weld flash for smooth finish.
  • Turks head and sizing roll ensure straightening & sizing of tubes into sections such as rectangular, square, elliptical and oval.
  • Annealing, Pressure testing, Eddy current testing, straightening or cutting ensure quality and fitness for required application.

Dimensional Capabilities

Click on a chart below to view dimensions.

Technical Specifications

  • IS 3074
  • IS 4923
  • ASTM A513 Type 5