Processing standards

Longitudinally welded stainless steel tubes
  • EN 10028-7 (formerly DIN 17455) for general requirements
  • EN 10217-7 (formerly DIN 17457) for special requirements
  • DIN 28181 for heat exchangers
  • DIN 11850 tubes for food, beverages and chemical applications
  • ASTM A249M / ASME SA249M
  • ASTM A312M / ASME SA312M


Additional processing standards are available on demand.


Design specifications

Longitudinally welded tubes from fischer Edelstahlrohre Austria are, as a standard, TIG-welded without filler metal, free of scale, ground over the weld seam, calibrated, straightened, trimmed, as well as free from scratches, grease and oils.

  • Welding factor: f(Z) = 1.0, this means that when calculating the wall thickness for a specified internal pressure, 100% of the strength can be utilized.
  • Length: 500 to 30,000 mm in straight lengths Ring tubes, depending on their size, up to a length of 300 m

Tube measurements



Download the product range of fischer Edelstahlrohre Austria GmbH:

Austria product range, German
Austria product range, English