Hoesch Schwerter Profile runs a management system to ensure quality and environmental protection which is certified by an independent accredited institute (DQS) in accordance with ISO TS 16949 and based on ISO 9001. It is authorized to produce according to AD Code of Practice WO/TRD 100 Test No. 4/24 134 325/9 of TÜV and general building regulations. It has ÜHP and ÜZ licensing for steel products according to building regulation list A, Part 1. The following list of norms determine our supply conditions: National standards and regulations, including DIN EN standards as well as international EN ISO standards; Technical Rules for Pressure Vessels (TRD), Stahl-Eisen Werk-stoffblätter (SEW), AD Code of Practice (Association of Pressure Vessel Manufacturers), Vd-TÜV Material Sheets, ASTM (USA), BS (Great Britain), AFNOR (France), SIS (Sweden) and many more.

If required, the following tests can be carried out:

Mechanical Tests:

• Tensile test
• Hot Tensile test
• Impact test at room temperature and lower temperatures
• Brinell / Rockwell / Vickers hardness test
  

Corrosion Tests

• Test for inter-granular corrosion
• Huey-Test according to ASTM A 262 or stamicarbon regulation
  

Physical Tests

• Spectroscopic identification test
• Permeability determination
• Ferrite determination
  

Non-destructive tests

• Ultrasonic test
• Surface crack test with magnetic particles and dye penetrants
• Hydrostatic pressure test
• Eddy current test
  
  

The material tests can be certified according to DIN EN 10204.