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Hoberg & Driesch group
Hoberg & Driesch Röhrenhandel GmbH

Welded tubes and profiles

Welded pipes and profiles (in accordance with EN 10305-3/-5)

Welded pipes can be used directly from the machine. In recent years, we have continuously optimized this product group.

In addition to the classic materials, high-strength dual-phase and complex-phase steels can also be processed into pipes. These achieve strengths of more than 1200 MPa. Welded tubes are used in numerous areas due to their tolerances, straightness properties and the single-stage manufacturing process.

Many shapes can be produced ready for machining. Our product portfolio includes round, rectangular and flat oval tubes. The surface of the steel tubes is also suitable for a direct coating process. Alternatively, the tubes can also be manufactured from galvanized strip.

Areas of application for welded tubes in the automotive industry

Welded tubes are used in the automotive industry in the following components, among others:

  • Front and rear seat structures
  • headrests
  • Chassis and structural components
  • Cooling loops for batteries
  • Trailer couplings
  • Hinge brackets

Welded tubes are also required in many areas of the furniture industry:

  • Cantilever chairs
  • Chairs
  • School desks
  • Height-adjustable desks

Our welded tubes are also used in logistics, e.g. as support rollers for conveyor systems, frame parts for floor conveyor systems or in container construction.

Produced ready to use

Good flatness tolerances

Tight radii

Low torsion

Specification

Side lengthRound 8 - 146
Rectangular 8 x 8 to 120 x 120
Wall thickness0.8 to 10 mm

Material and delivery condition

StandardsEN 10305-3 / EN 10305-5 / EN10219
MaterialsE195 / E220 / E235 / E275 / E355 / E420 / E500 / E600 / E700
Delivery condition+CR1 / +CR2 / +A / +N

Other materials have also become established in recent years:

cold-rolled fine-grain grades, such as HC340LA HC420LA
hot-rolled micro-alloyed steels, such as S355MC, S700 MC
cold- and hot-rolled dual and complex-phase steels, such as HCT 590X / HCT 780X / HCT 980X / HDT780X
galvanized surfaces can be welded, with zinc coatings such as Z100 / Z140 / Z275
heat-treatable manganese-boron steels e.g. 22MnB5, 26MnB5

In addition, individually specified steel grades and cross-sections can be produced accor­ding to your requirements.

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