임시 서브이미지 임시 서브이미지 임시 서브이미지 임시 서브이미지 임시 서브이미지

Process

  • HOME
  • Process
  • Drawing Stell pipe

Drawing Stell pipe

DRAWING STEEL PIPE PROCESS

DRAWING STEEL PIPE PROCESS
DOM TUBING MANUFACTURING

DOM TUBING MANUFACTURING

  • Heat Treatment

    Heat Treatment

    Stress Relidf Annealing(Ac1) for Carbon Steel Pipe

  • Chemical Conversion Treatment

    Chemical Conversion Treatment

    Before Drawing & Plastic Working, Remove Oxidation Scale, Phosphating and lubricating

  • Spigot forming

    Spigot forming

    Dies(Decision of Outer diameter) spigot forming

  • Drawing

    Drawing

    Cold Drawing

  • Cutting

    Cutting

    Halve (after drawing) Outting by a length of goods(Customer's request)

  • Straightening

    Straightening

    Decide straightness by multi rollers when is bent during drawing

  • Test & Inspection

    Test & Inspection

    Test & Inspection by Material Standard (KS, JIS, DIN)

  • Deodorization & Rust-proofing & Delivery

    Deodorization & Rust-proofing & Delivery

    In case of deodorization & Rust-proofing, it depends on customer's request

TOP