Seamless Cylindertubes (HP)

Quality:      St 52 bk+s or St 52.0 / St 52-3N, StE 460

Tolerance AD:      acc. DIN 2391 for cold drawn tubes, acc. DIN 2448/1629 for hot rolled tubes

Tolerance ID:      acc. ISO H8 - H11 (depending on size)

Interior Surface:      honed or roller burnished

Roughness:      Ra max. 0,5 µm or 0,4 µm

Straightness:      straightening to 1 : 1.000 mm measured on outer surface

Excentricity:      acc. DIN 2391 for cold drawn tubes, acc. DIN 2448/1629 for hot rolled tubes

Random Lengths:      1,5 - 8,0 m

Mechanical Properties:

Surcharge for fixed lengths upon request.

Tolerances of fixed lengths:

under 200 mm               upon request

200 – 1.999 mm            + 2 / - 0 mm

2.000 – 3.999 mm          + 5 / - 0 mm

4.000 – 7.499 mm          + 10 / - 0 mm

over 7.500 mm              upon request

other tolerances             upon request

Test Certificate:      EN 10204/2.2 or  /3.1B against surcharge

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