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Shanghai, China

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Special Welded Tubes

We can produce precision and high-frequency welded steel tubes and pipes with all possible dimensions and shapes available.

Carbon Steel pipe is superior in strength, workability, and adaptability.

And it’s available in sizes, pressure classes, and chemical compositions to meet the most diverse project specifications.

Straight seam or spiral, forged fittings or fabricated, steel pipe can be designed and manufactured into virtually unlimited configurations to service the demands of nearly any system.

Whether you’re looking for single cut-to-length pieces or truckload quantities, we’ll have what you need, or we’ll find it for you – we have access to a considerable variety of stock material, imported and domestic.

Regardless, all materials supplied by Imperial Pipe are guaranteed and certified to your specified standards

Features and specifications:

  1. All possible dimensions and shapes available
  2. Thickness: 0.4 – 3.0mm
  3. Steel grade: SPHC, 08AL, 08F, HG5, DF08, Q195-235, M8
  4. Standards: ASTM, ANSI, API, JIS, DIN, EN, BS, UNI, NFA, GB and SY/T .


  • In tight bundles with metal hoop, covered by burlap / PE fabric, or customize.
  • Conveyance: Qty/20′ FCL: 20MT


  • Mill Test Certificate: EN 10204/3.1B 
  • Third party inspection: SGS, BV, Lloyds etc.

Flat oval pipes

Oval pipes are mainly produced with a diameter of 1,0 – 3,0 mm.

Different wall thickness, materials and surfaces (e.g. IIIc, K240, K400, K600) as well as lengths can be produced on inquiry.

Flat oval pipes size range:

a b d length in mm material
30,0 15,0 1,5 6.000 1.4301
30,0 17,0 1,5 6.000 1.4301
35,0 15,0 1,5 6.000 1.4301
40,0 20,0 1,5 6.000 1.4301
48,0 20,0 1,5 6.000 1.4301
56,5 29,8 1,5 6.000 1.4301
60,0 20,0 1,5 6.000 1.4301
60,0 32,0 2,0 6.000 1.4301

Elliptic pipe

Elliptic pipes can generally be produced from 1,0 – 3,0 mm.

Oval pipe elliptic size range:

a b d length in mm material
26,3 16,2 1,5 6.000 1.4301
36,0 14,0 1,5 6.000 1.4301
40,0 28,5 1,5 6.000 1.4301
55,0 18,0 1,5 6.000 1.4301

Apart from that, we are identified as one of the reliable Oval Steel Tubes Manufacturers and Suppliers in the country. Oval pipe, Flat oval pipe and Elliptic pipe, Stainless steel oval pipe The specialty of the oval pipe is the form itself.

Inspection & packing

We offer two different types of oval pipe forms.
One is the elliptic pipe and the other the flat oval type.

Steel Grade: Q235, Q345, S235JR, S275JR, SS4007, Stainless

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