Quality Control

BBJ manufactures Steel Line Pipe in accordance to API 5L: ASTM,BS etc, specifications

We consider it the most important pillar behind our success. Quality control staff consists of energetic and self motivated professional engineers. To produce Steel Line Pipes – API, of highest quality BBJ Pipe Industries Ltd. monitors testing and checking at every state of process of production, from coil/strip stage to the finished pipes, these tests include:

  • Chemical Properties
  • Mechanical Properties
  • Non Destructive Test
  • Visual Inspection & NDI
  • Hydro Static Test
  • Metallographic Examination
  • Dimensional Inspection


BBJ manufactures HDPE & PPR-C Pipes in accordance to International Standards, ISO 4437, ISO 4427, DIN 8074, DIN 8075, ASTM D 2513, for Oil, Gas, Water and other applications.

To assure quality of the Gas Pipes, Cable Duct, PE & PPR-C Pipes during production process and finish product, Quality Control department ensures that materials used in the manufacturing process are in strict compliance with the end users’ requirement and the end product is in conformity with the applicable international standards. Following tests are done to ensure conformity of raw materials and finish product with the specifications of the client: -

  • Melt Flow rate
  • Density
  • Internal Hydrostatic Pressure Resistance (ICPR)
  • Longitudinal Reversion (Heat Reversion)
  • Tensile Strength
  • Elongation at break
  • Thermal Stability (Oxidation Induction test)
  • Environmental Stress Crack Resistance (ESCR)