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Powergen

VALLOUREC & MANNESMANN TUBES offers the largest range of seamless boiler tubes and pipes in the world. Its total product competence reaches from the actual steel production to hot-rolling, heat-treatment and further processing, to cater efficiently for all its customer's needs.

 

 

Products

  • Seamless boiler tube and pipe for all applications in power generation including long-length tubes up to 25.3 m (83')
  • Large ID-controlled seamless pipe and piping components, with all necessary machining operations, bottle-necked ends etc.; 220 to 1,300 mm (8.7" to 51") ID
  • Multi-rifled seamless boiler tubes, cold-drawn, with internal spiral ribs; 28.58 to 76.2 mm (1.125" to 3") OD
  • Seamless feedwater heater tubes, cold-drawn, straight tubes or 180° U-bends, 15 to 35 mm (0.59" to 1.38") OD

 

Materials
All high-temperature steel grades suitable for boiler construction, including T/P 91, T/P 92, T23/T24 or WB 36 (15NiCuMoNb5-6-4)

Size range
  • Outside diameter:
  • Inside diameter:
  • Wall thickness:
   21.3 to 1,500 mm (1/2" to 59")
  up to 1,300 mm (51")
  2 to 250 mm (1/8" to 10") (depending on diameter)