Pipes for shell and boiler construction

Eisenbau Krämer is worldwide a supplier of pipes for a variety of applications in shell and boiler construction. The wide range of our manufacturing capabilities and our experience over many years enable us to offer our customers extensive technical support, especially for individual requirements.

Products for which EBK has already supplied as an approved manufacturer:

  • Heat exchanger shells for cooling equipment
  • Steam drums for the petrochemical industry
  • Absorbers for gas cleaning facilities
  • Reactors for various chemical processes

Our broad range of machinery allows us to manufacture products meeting the high quality requirements of our customers. The approvals listed below certify our high quality standard:

  • ISO 9001
  • ASME U, U2 and S-Stamp
  • European pressure equipment directive (PED)
  • AD HP 0, EN 729, TRD 201

Boiler tube processors are manufactured in accordance with DIN EN 12952, DIN EN 13445, AD HP 2000 ASME, Indian Boiler Regulations (IBR), additional project specifications and customers’ requirements.

We use materials with a yield strength of up to 690 MPa.

Some examples of materials used:

  • P355 P460
  • 13 CrMo 4-5
  • 10 CrMo 9-10
  • 15 NiCuMoNb 5-6-4
  • 12 CrMoV 12-10
  • SA 302 Gr. B
  • SA 516 Gr. 50 - 70
  • SA 533 Gr. B
  • SA 387 Gr. 11 + 22

In addition to the above range, we manufacture shells with internal cladding materials such as SA 316, 904 L, alloy 625 + 825 and LC Ni 99 (other materials on request).

Our production programme includes the manufacture of cold and hot formed shells with the following dimensions:

  • Diameter: 16" -14' 9" (406 - 4,500 mm)
  • Wall thickness: 0.315"-9.84" (8 - 250 mm)
  • Length: 6' 7"-138' (2,000 - 42,000 mm)
  • The maximum unit weight is approx. 100 t

Normalizing, stress relief annealing and tempering can be carried out in our annealing furnace on pipes having a diameter of up to 4,500 mm and a length of up to 14,500 mm.

On request, we will be pleased to offer you further processing options, e.g. burning of openings for connecting pieces on our profiling machine (up to max. 2,000 mm diameter and 80 mm wall thickness) or welding of tank bottoms and sockets.

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