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Seamless heavy-wall tubes and hollow bars

Seamless heavy-wall tubes and hollow bars

Seamless, hot-rolled heavy-wall tubes are mainly used in mechanical engineering, pipeline construction and steel construction. Our full range covers all common grades dimensions.

Hollow bars for machining have long been a household name in the machining industry. With the introduction of EN 10294-1, the term nominal size has acquired its full meaning. The definition is as follows: The nominal dimension is the guaranteed clean turning dimension for a tube when centred on the outside diameter.

Seamless, hot-rolled heavy-wall tubes

according to EN 10297-1 / EN 10210-1 / EN 10216-1

Application range

  • Machining in mechanical engineering
  • In crane construction and conveyor technology
  • Load-bearing machine parts
  • Plant and cylinder construction

Short name

E355
S355J2H
P235TR1/TR2

Material No.

1.0580
1.0576
1.0255

Dimensions from stock

21.30 x 4.00 - 622.00 x 100.00 mm
21.30 x 4.00 - 622.00 x 100.00 mm
21.30 x 2.00 - 406.40 x 8.80 mm

tolerance field

Hollow bars for machining

according to EN 10294-1

Application range

  • High-strength structural steel
  • Weldable
  • Mating limit 400 -500 N/mm2
  • Tensile strength 550 -780 N/mm2
  • Very good machinability

Short name

E470

Material No.

1.0536

Dimensions from stock

30.50 x 5.00 - 250.00 x 50.00 mm

technical assistance

Seamless boiler tubes

according to EN 10216-2

Application range

  • steam boiler construction
  • Pipeline and plant construction 
  • Pressure vessel and apparatus construction

Short name

P235GH TC1

Material No.

1.0345

Dimensions from stock

17.20 x 2.90 - 508.00 x 11.00 mm

technical assistance

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