Transportation Equipment

Aluminum Alloy Sheets for Railway Rolling Stock

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For interior and exterior use in Shinkansen (Bullet Train) and high-speed railcars

Aluminum alloy sheets are widely used for manufacturing Shinkansen (Bullet Train) and high-speed railcars to ensure high-speed performance with bodies that are both lightweight and high strength. We provide a wide range of aluminum alloy sheets for railway rolling stock, using the technologies cultivated for the aerospace and shipping industries.


  • We provide a wide range of thickness of 5083 alloy with high strength and good corrosion resistance in a range of 1 to 300 mm.
  • Duralumin series alloys such as 7000 series and 2000 series aluminum alloys can also be manufactured, offering an excellent balance between wall thickness and strength.
  • NC saws are used to cut irregularly shapes as needed, such as pentagons and hexagons.
  • Developed alloys have both high strength and excellent press formability among non-heat-treatable aluminum alloys for use in decorative panels for railcars.

Product Characteristics and Applications

Mechanical properties and applications of railcar materials

Alloy Temper Tensile strength (N/mm2) Yield strength (N/mm2) Elongation (%) Typical applications
Developed alloy TG19 O 267 127 30 Interior decorative panels
TG25 O 274 117 34 Interior decorative panels, window frame panels
Standard alloy 3003 H24 171 156 10 Interior decorative panels
5005 H14 159 152 6 Various interior parts (racks, frames, etc.)
5052 H34 249 214 10 Floor panels, honeycomb panel face plates
5083 O 302 145 25 Under-floor control bases, various parts
O 295 125 25 Railcar structures
2017 T3 375 215 15 Railcar structures
7N01 T6 335 275 10 Railcar structures