NIPPON KINZOKU’s “FINE PIPE” Series Welded Drawn Pipes Outperforming Seamless Pipes
11.6.2026 10:01:00 CEST | Business Wire | Press Release
NIPPON KINZOKU CO., LTD. (TOKYO:5491) (Headquarters: Minato-ku, Tokyo) has commercialized its “FINE PIPE” series *1, -welded drawn pipes that outperform traditional seamless pipes. By leveraging its unique expertise as a material manufacturer and proprietary processing technologies (welding, drawing, and annealing), the company delivers high-quality, eco-friendly, and cost-effective solutions. FINE PIPE is already widely adopted across various sectors, including automotive parts, measuring instruments, and industrial equipment, to meet the most demanding precision requirements.
This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260611874307/en/
In response to the growing demand for higher performance and faster processing in analytical and medical devices, NIPPON KINZOKU has developed two innovative products based on its FINE PIPE technology: "High-Precision Inner Surface" small-diameter tubes and "FINE PEEK-ST" stainless steel and PEEK resin composite tubes. These products align perfectly with the industry's shift toward extreme precision, resulting in a surge of inquiries and expanding orders for the “FINE PIPE” series.
Key Features of "FINE PIPE" *1
- Superior Precision & Cost-Efficiency: Offers higher precision than seamless pipes. Continuous processing of coil products enhances productivity and enables significant cost reductions.
- High Pressure Resistance & Durability: Our proprietary welding technology and full-length seam control ensure minimal thickness deviation, outperforming seamless pipes in durability.
- Rigorous Quality Assurance: A comprehensive QA system utilizing in-line inspection equipment from raw material to the finished product.
- Versatile Supply Formats: Available in various forms, including coils, fixed-length, cut-to-length, and custom-processed products.
*Note: See *1 for manufacturing range and available steel grades.
Key Features of "High-Precision Inner Surface" Small-Diameter Tubes *2
- Ultra-Smooth Surface: Significantly improved inner roughness (ID φ0.5mm to 1.25mm; Ra ≤ 0.5μm) compared to conventional products.
- Exceptional Consistency: Features a perfectly round inner surface with stable quality along the entire longitudinal direction.
- Cost Savings: Eliminates the need for post-processing, offering significant cost reductions compared to traditional polished finishes.
*Note: See *2 for manufacturing range and available steel grades.
Key Features of "FINE PEEK-ST" *3
- Advanced Column Tubes: A high-precision, high-strength composite tube featuring a PEEK resin lining protected by a stainless steel outer layer.
- Ultra-High Pressure Readiness: Engineered for extreme environments exceeding 100 MPa.
- Improved Roundness: Achieves dramatic improvements in roundness and inner surface roughness (Ra ≤ 0.3μm), even in small-diameter specifications.
- Enhanced Yield: Available in coils up to 20m, allowing for flexible cutting to any length, which optimizes yields and reduces waste.
*Note: See *3 for manufacturing range and available steel grades.
*1: | |
*2: | https://www.nipponkinzoku.co.jp/assets/images/2023/04/230418_nipponkinzoku_news_en.pdf |
*3: |
About NIPPON KINZOKU Group
Our products have been used in a range of areas from the precision field to the construction industry. https://www.nipponkinzoku.co.jp/en/
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Contacts
NIPPON KINZOKU CO., LTD.
Production Process & Support Department
https://www.nipponkinzoku.co.jp/en/inquiry -
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oku.co.jp%2Fen%2Finquiry&esheet=54551031&newsitemid=20260611874307&lan=en-US&anc
hor=https%3A%2F%2Fwww.nipponkinzoku.co.jp%2Fen%2Finquiry&index=5&md5=2d02849f2a6
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