Bohrgestänge DRILMAX? (Exploration Drilling)

Rohre für Explorationen, Bohrgestänge, Kernrohre und Mantelrohre. Premium Qualität mit höchsten mechanischen Eigenschaften für die meisten anspruchsvollen Bohrungen.

Costumer Benefits

  • Drilmax® Steel Tubes are cold drawn, heat-treated and straightened with the highest expertise to offer the best benefits to exploration drilling equipment manufacturers.
  • High resistance to hardest drilling conditions: high depth, directional drilling, hard grounds

Drilmax® Steel Tubes offer very high mechanical properties such as:

  • Yield Strength (Rp0.2) up to 850 MPa, and Tensile Strength (Rm) up to 950 MPa
  • 100% Drilmax® Steel Tubes undergo non-destructive testing (surface concentrated eddy current) to guaranty the best surface quality and integrity

Best behaviour in rotation

  • Drilmax® Steel Tubes offer best straightness levels, with special attention to tube ends: 1/25’’ / 236,1/4’’ max. (1mm / 6000mm max.)
  • Drilmax® Steel Tubes guaranty the tightest dimensional tolerances

How we keep our promises

  • 100% Drilmax® Steel Tubes are delivered together with certificates proving chemical composition and mechanical properties.
  • 100% Drilmax® Steel Tubes are manufactured in plants certified ISO/TS 16949 and ISO 9001
  • 100% Drilmax® Steel Tubes are manufactured in environment-friendly plants certified ISO 14001

Manufacturing Program

  • Drilmax® Steel Tubes are manufactured in all key dimensions used for Exploration Drilling all over the world
  • Outside Diameter from 40 mm to 140 mm
  • Outside Diameters down to 25,4 mm, or up to 178 mm, can be available upon request, but with straightness level of 1mm/m max.
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Mannesmann Precision Tubes GmbH
Wiesenstrasse 36 · 45473 Mülheim an der Ruhr · Germany
info.mpt@mannesmann.com

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