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Shiba 5-30-7, 108-0014 Minato-Ku, Tokyo,

Hall map

Tube 2020 hall map (Hall 9): stand D19

Fairground map

Tube 2020 fairground map: Hall 9






Our range of products

Product categories

  • 04  Tubes, pipes, tube products and tube accessories
  • 04.03  Welded tubes made of steel
  • 04.03.01  Welded tubes made of stainless steel

Our products

Product category: Welded tubes made of stainless steel

"Finepipe" to realize high tensile strength and weight saving!

– this is cold drawn welded tube Nippon Kinzoku manufactures and guarantees its quality by our unique technologies. This finepipe is precision tube superior to seamless tube.

=Quality Assurance=
Guarantee welding zone of tube by Thermo Profile Scanner
Guarantee all such as welding condition and scratches etc by Tube Inner Inspection System developed by ourselves
=Available size=
OD: 0.3mm – 22φmm, Thickness: 0.1mm – 2.2mm
Condition: Straight tube, Tube in coil, Cut Tube
=High Tensile Austenitic Stainless Steel Tube=
We have developed the unique high tensile Austenitic Stainless Steel grade "304NF" optimized for Automotive industry by adjusting chemical composition on high-tensile Austeniticc Stainless Steel(SUS304N2/UNS S30452) basis, applying our know-how.
Since this material is Austenitic Stainless Steel grade based on 304 and its basic feature is the same as 304/304L, it is possible to easily realize high-tensile and weight saving by gauge down even though peripheral components and ASSY condition(Brazing, Turning etc.) are the same as the current use.
This new grade has below features.
- Low Carbon(Max0.3%)
- High Tensile(0.2% proof stress:400MPa)
- High Strength(700MPa)
- Better brazing performance(comparison with SUS304N2/UNS S30452)
It is possible to apply this grade to not only Automotive but also other industries which require high-strength.

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About us

Company details

1. We produce “FINE PIPE” exceeding the property of Seamless Pipe by applying optimum materials and by using our original process (welding-drawing-annealing).    
2. Our quality of pipes including welded zone is guaranteed 100% by originally developed detection equipment and quality assurance system.

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Company data

Sales volume

200-499 Mio US $

Number of employees


Area of business
  • Tube industry
  • Automotive supply industry
  • Chemical industry
  • Energy, oil, gas and water supply
  • Electrical industry