according to DIN EN 10305-1
Steel grades: E235 • E355
supplied in the delivery conditions: +C and +N

or according to previous DIN standard:
DIN 2391
Steel grades: St 35 • St 52
supplied in the delivery conditions: BK and NBK

Range of dimensions:
Outer diameter: 3 to 350 mm
Wall thickness: 0.5 to 25 mm

Range of dimensions for seamless, cold-drawn precision steel tubes (PDF file 194 kb)

Price list for seamless, cold-drawn precision steel tubes (PDF file 500 kb)

* Grades and dimensions other than those listed here are
   available on request.