Ready to honed tube

Supplier & Manufacturer of Ready To Hone Tube. Our product range also comprises of Pneumatic Honed Tubes, Cold Drawn Steel Tubes and Honed Tubes.

Ready to honed tube
  • Graded:St 52
  • Metric size: Inside diameter from 40 to 250mm
  • Max length:14m.
  • Straightness:0.5 /1000
  • Tolerance INT:ISO H9
  • Type: cold drawing

EN10305-1, E235+N Seamless tube

Tubes are provided according to the norm EN10305-1, DIN 2391

Chemical composition(%)
Si(Max) Mn (Max) C Max) P (Max.) S (Max)
0.55 1.60 0.22 0.025 0.025

Mechanical properties:
Tensile strength
Yield Point
% Min
580 N/mm2 420 N/mm2 10

Outer Diameter Excentricity
125 mm 5 %
> 125 mm 7 %
measured according to the formula:
E = (max Wt – min Wt)/( max Wt + min Wt) x 100 %

Bore Ovality

The bore ovality is comprised in the 50 % of the inside diameter tolerances.

  • Marking: SunnySteel, ID, OD
  • Length: unfixed length or fixed length
  • Package: banding with steel strips, braiding parcel at outside
  • Conservation: Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends.
  • Impact test: -20℃, 27 J (only for special requirement)

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Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.

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