Why TOHSEI TUBES?

0.001mm &Zero-Defects
Processing accuracy for inner and outer diameters is 0.001 mm. these diameters can be adjusted by 0.01mm unit and No defects ever.

Applicable to an aerospace industry

Any applications are available including an aerospace industry requiring a high accuracy.

Traceability

We are able to trace any of products we have shipped at any time. Our accurate traceability is achieved by our own unique automatic inspection machines.

ULTLA HIGH PERFORMANCE TUBING:
Tohsei Kokan produces ultra-high-performance tubing with thin walls and tight tolerance manufactured by three-roll equipment developed using its own cold-process technology. Three cold-roll rolling rolls out the outer diameter using three-rollers and forms the inner diameter using a mandrel.

details

PRODUCTS

Double tube / Inconel 625+Au

Double tube / SUS304 + Cu

Double tube / 9Cr+9Cr

Double tube / SUS304+SUS304

Tapered tube / SUS316L

Thin Tube / SUS316 *Process: Stamping

Thin Tube / SUS316
*Process: Stamping

Inner surfaces mirror finish / SUS304

Surface roughness specified / ≦0.8Rmay

H2-A Rocket / SUS304L

Deformed Tube / SUS321

Deformed Tube / SUS321

High purity AI(99.999%)

High purity AI(99.999%)

Lead materials / Cu+NI

4 key Benefits