Evolving through continuous material and equipment development! Used in many situations in the construction field.
The product is manufactured through high-frequency heat treatment, and its performance conforms to JIS G 3109 (PC steel bars) for round steel bars. It is used in many applications in the construction field, including prestressed concrete. Additionally, we offer "unbonded PC steel bars," which are coated with a special asphalt-based polymer to protect their outer surface. 【Features】 ■ Manufactured through high-frequency heat treatment ■ Performance conforms to JIS G 3109 (PC steel bars) for round steel bars ■ Used in many applications in the construction field ■ Can be processed into rolled threads without cutting the screw *For more details, please refer to the PDF document or feel free to contact us.
Inquire About This Product
basic information
【Chemical Composition (%)】 ■P: 0.030 or less ■S: 0.035 or less ■Cu: 0.30 or less *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
【Applications】 ■PC box culverts ■Bridges (biplate method) ■Bridge piers (PC well method), etc. *For more details, please refer to the PDF document or feel free to contact us.
catalog（1）
Download All Catalogs
Company information
The NAPP Method Technical Research Association conducts research on the NAPP method, which is a PC method using hollow PC steel bars. Please feel free to contact us if you have any requests.
