SUS329J4L (two-phase stainless steel) Attained permission to manufacture no. 1 pressure vessel
Manufactured thick bellows for heat exchangers which uses two-phase stainless steel.
We comply with all laws such as pressure vessel structure standards, boiler structure standards, high-pressure gas safety standards, etc.
Even for special materials, we will respond after ensuring they conform to the Welding Execution Act, so please feel free to inquire.