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Mechanical Tubes

Ronconi SpA supplies cold drawn precision tubes for different applications. Tubes are very often base material for production in automotive, motorcycle industry or in general for any parts in machine construction. Some of main applications are:
  • General Mechanical
  • Automotive
  • Chrome bars
  • Cylinders
  • Oleodynamical
  • Structural applications
Range of dimension is from 8mm to 160mm Outside Diameter with different combination of wall thickness according to Client requirements. Lengths can be random, fixed, semi-fixed or multiple according to Client needs. Tubes can be ordered Outside Diameter x Wall Thickness or Outside Diameter x Internal Diameter. Tolerances are set accordingly or upon Client needs. Ronconi SpA produces according to the newest standard codes and according to different norms. Main ones are European EN norms and American AISI/SAE. It is also possible to produce according to domestic norms such as DIN, BS, AFNOR, UNI... Main steel grade categories are:
  • Low Carbon Steel for good welding properties
  • High resistance micro-alloy steel grade and fine grain steel
  • Steel for Carburising
  • Steel for Quenching&Tempering
  • High Speed Steel
  • Special use such as rings, ball bearings, go-karts, air-bags…
Ronconi SpA offers tubes with different supply conditions:
  • Cold Drawn/Hard +C
  • Stress Relieved +SR
  • Annealed +A
  • Normalised +N
  • Quenched&Tempered +QT
  • Others according to Client specifications
Ronconi SpA has modern facilities and a certified Laboratory to verify mechanical and structural requirements are fulfilled. One of the most important skill of Ronconi SpA is the capability to follow and support Clients in the development of new product, even with specific technical requirements in order to support Client in series production. Due to the extreme flexibility, Ronconi SpA can support its Clients during the whole product life cycle. In addition Ronconi SpA can offer short cut tubes or profiled tubes with square, triangular, oval sections or any others.