Sizes of precision seamless tubes

Standard precision tubes are practically used in all areas of the machine production. Seamless steel tubes can be supplied as cut tubes and bent tubes. Cut tubes are designed especially for manufacturers of automotive components.


Dimensions and weights of seamless tubes according to standards EN, DIN, BS, UNI, NF, GOST and STN/ČSN

– outside diameter x wall thickness (OD x WT):
  • 4.0 x 0.5 – 125.0 x 13.0 mm
– application:
  • for heat exchangers *
  • for high-pressure service – boiler *
  • for low temperature pressure services *
  • for room temperature pressure service *
  • from fine grain steel *

Dimensions and weights of precision seamless tubes according to standards GOST (dimensions comply also with other standards)

– outside diameter x wall thickness (OD x WT):
  • 4.0 x 0.5 – 120.0 x 10.0 mm
– application:
  • for standard use *

Dimensions and weights of cold drawn steel tubes according to standard ASTM A450/A450M

– outside diameter x wall thickness (OD x WT):
  • 6.35 x 0.51 – 120.65 x 9.53 mm [0.250 x 0.020 – 4.750 x 0.375 in] [25 – 3/8 GA]
– application:
  • for automotive industry *
  • for pressure hydraulic and pneumatic lines – HPL *
  • for standard use *

Dimensions and weights of seamless tubes according to standard A/SA-999; A/SA-333 (A/SA-335) average wall thickness (A/SA-1016; A/SA-213; upon agreement average WT)

– outside diameter x wall thickness (OD x WT):
  • 6.35 x 0.51 – 120.65 x 11.53 mm [0.250 x 0.020 – 4.750 x 0.454 in] [25 – 4/0 GA]
– application:

Dimensions and weights of seamless tubes according to standard A/SA-999; A/SA-333 (A/SA-335) minimal wall thickness (A/SA-1016; A/SA-213; upon agreement average WT)

– outside diameter x wall thickness (OD x WT):
  • 6.35 x 0.51 – 120.65 x 11.53 mm [0.250 x 0.020 – 4.750 x 0.454 in] [25 – 4/0 GA]
– application:

Dimensions of precision tubes for bearing rings

– outside diameter x wall thickness (OD x WT):
  • 22.0 x 3.0 – 70.0 x 8.0 mm
– application:
  • for bearings *

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