Okajima Pipe is Challenging itself in New Technologies, Setting its Eyes on the Broader World.

Business Details

  1. Okajima Pipe Co., Ltd.
  2. Business Details
  3. Products
  4. Types and Applications (S & NC Series)

Types and Applications

S Series (Stainless Steel Tube)

Product symbol Finish category Main applications
S304C

Steel tube with tensile strength of 520N/mm2 or higher by the tube alone.

  • Pipes for automobiles (fuel, coolant, lubricant),
  • automobile exhaust parts,
  • household appliance parts,
  • pipes for gas equipment,
  • pipes for electrical equipment,
  • sheathed heaters
S304CA

Steel tube with good workability by performing stress-relieving annealing after tube making.

S304CAP

Steel tube with exceptional workability by improving dimensional accuracy through cold drawing and annealing.

S321C

Steel tube with tensile strength of 520N/mm2 or higher by the tube alone.

S321CA

Steel tube with good workability by performing stress-relieving annealing after tube making.

S321CAP

Steel tube with exceptional workability by improving dimensional accuracy through cold drawing and annealing.

S430C

Steel tube with tensile strength of 410N/mm2 or higher by the tube alone.

S430CA

Steel tube that has been made workable by performing annealing after tube making.

S430CAP

Steel tube that has been made workable by performing cold drawing and annealing.

S409C

Steel tube with tensile strength of 390N/mm2 or higher by the tube alone.

NC Series (High Nickel-Chrome Steel Tube)

Product symbol Finish category Main applications
NC600

Steel tube, in which cold-rolled steel strips of Fe-Ni-Cr alloy have been TIG welded, that has little excess bead, beautiful surface, excellent resistance against carburization, nitridization and oxidation at high temperature, and has good corrosion resistance against various corrosive environments.

  • Sheathed heaters
NC800