Materials used:
  • Unalloyed construction steels in accordance with EN 10025
  • Pressure tank steels in accordance with EN 10028-2
  • Rustproof steels in accordance with EN 10028-7 
  • Forgings from heat-resistant steels in accordance with EN 10273
  • Rolled bar steels from heat-resistant steels in accordance with EN 10273
  • Pipes from heat-resistant steels in accordance with EN 10273
  • Pipes from fine-grain construction steels in accordance with EN 10216-3
  • Pipes from austenitic rustproof steels in accordance with EN 10216-5
  • Pipes from highly heat-resistant austenitic steels in accordance with EN 10216-5+EN 10217-7 
  • Heatproof steels in accordance with EN 10095 + SEW (iron and steel material sheet) 470
  • Special steels:
    1.4876 H (HT)
    (Alloy 800 H (HT)),
    1.4558 (Alloy 800 LC),
    1.4903 (P91),
    1.4901 (P92),
    1.7378 (T24),
    1.7362 (P5),
    1.4907 (Super 304H),
    1.4877 (AC 66),
    2.4605 (Hastelloy 59),
    2.4610 (Hastelloy C4),
    2.4856 (Alloy 625),
    2.4858 (Alloy 825)
   Machine procedures:
  • Membrane wall manufacturing with two submerged arc welding lines
  • Collector manufacturing with automatic nipple welders
  • Continuous plasma welding line
  • Automatic circumferential seam welding machine from DN 20 to
    DN 65
  • Submerged arc tractor welder
    for membrane walls
  • Submerged arc welding machine
    for collectors and drummers
      Applied procedures:
  • 141 (TIG)
  • 111 (E)
  • 135 (MAG solid wire)
  • 136 (MAG cored wire)
  • 12 (submerged arc)
  • 311 (GAS)
  • 15 (plasma)
          As a welding specialist, we cover almost all material combinations
          and weld seam geometries with around 150 welding procedure
          qualifications. Our 50 welders have a total of over 500 perfor-
          mance qualifications in accordance with EN 287.
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            Our welding technology is at the very highest level.