Pennar’s boiler tubes are used in many high heat applications such as boilers, steam super-heaters, steam pipelines, and similar equipment. It is made from heat resisting carbon and low alloyed steel which can withstand load at high pressures and temperatures. We offer these tubes in a wide range of sizes and wall thicknesses both in seamless and welded. These are made from a comprehensive range of stainless steel and nickel alloys and are designed to several world standard specifications incuding: IS, BS, JIS, And ASTM/API Standards.


  • 313”-4.25” outside diameter
  • .035”-.25” wall thickness
  • High Combustion Efficiency
  • Suitability Of Components For Specific Fuel Characteristics
  • Easy Changeover Of Fuels In Case Of Dual Fuel Firing
  • Easy Accessibility To All Parts For Inspection And Maintenance
  • Robust & Compact Design
  • Noiseless Operation
  • Ease Of Mounting
  • Reliable Components For Continued Service
  • Easy Adjustment Of Air / Fuel Ratio
  • Part Load Performance
  • Provision For Various Safety Interlocks

Dimensional Capabilities

Technical Specifications

  • IS 1914(parts 1-4)
  • BS 3059(part1)
  • JISG 3461
  • DIN 2393/2394
  • ASTM A53
  • ASTM214
  • BS EN10305-2
  • BS EN10305-3