STABO employee welding in the steam accumulator
Welding machine
Welding process detail
Stabo floor welding
Stabo welder

Welding in STABO quality

Our many years of experience form the basis for the manufacture of high-quality and durable products. Numerous certifications and a comprehensive quality management system underline our expertise and performance in welding technology.

Welding procedure qualifications

We have welding procedure qualifications in accordance with EN 15614 and ASME IX for a wide range of materials, including:

  • Thermally resistant fine-grain steels, grades P355GH, P460NH, 15NiCuMoNb5
  • Thermally resistant CrMo steels, grades 13CrMo4-5, 10CrMo9-10
  • Thermally resistant special grade P91
  • Low-temperature fine-grain steels up to P460NL2
  • High-strength quenched and tempered steels up to P690 QL
  • Austenitic grades 1.4301, 1.4404, 1.4571, 1.4539
  • Duplex steels, grade 1.4462
Monitoring of a welding process
Employee performing submerged arc welding of nozzles

Welding processes used:

  • Submerged Arc Tandem Welding
  • Submerged Arc Narrow Gap Welding up to 240 mm wall thickness
  • Submerged Arc Nozzle Welding
  • GTAW orbital welding
  • Manual welding processes 141, 111, 136

Heat treatments:

  • Stress-relief annealing for components weighing up to 150 tons
  • Normalizing annealing for components weighing up to 30 tons
Heat treatments

STABO is your competent partner for demanding welding projects that meet the highest quality andreliability standards.

STABO employee monitoring a longitudinal seam welding process
STABO employee operating welding machine
STABO employee setting up the welding machine
Longitudinal seam welding process at STABO
STABO longitudinal seam welding process
Your contact to Stabo
STABO Logo
STABO employees

Are you looking for a strong partner for your demanding projects in the field of high-pressure components?

We look forward to hearing from you!

Phone: +49 271 70 94 - 0
E-Mail: info@stabo-siegen.de

Further contacts