High-Precision Cold Rolled Seamless Steel Pipe
Pioneering Company: Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Meticulous Specifications:
- Outer Diameter (OD): 3mm ~ 90mm
- Wall Thickness: 0.5mm ~ 8mm
- Tolerance Level: +/-0.1mm
- Advanced Technique: Cold Drawing/Cold Rolling
- Quality Standards: ASTM A519, DIN2391, SAE J524, EN10305-4, GB/T3639
- Premium Steel Materials: E355, E235, 10#, 20#, Q355B, etc.
- Delivery Condition: BK, BKW, NBK, GBK, BKS
Versatile Usage:
Ideal for mechanical processing, automobile industry, hydraulic equipment.
Exceptional Advantages:
- Smaller Caliber Options
- Flexible with Small Quantity Orders
- Impeccable Surface Treatment
- Outstanding Performance for Mechanical Fabrication
Flexible Delivery Conditions:
- Cold Drawn/Hard (+C) (BK)
- Cold Drawn/Soft (+LC) (BKW)
- Cold Drawn and Stress Relieved (+SR) (BKS)
- Annealed (+A) (GBK)
- Normalized (+N) (NBK)
- Quenched and Tempered (QT)
Welcome to Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Discover the unmatched excellence of our Precision Cold Drawn Steel Tube, available at unbeatable factory prices. As a premier manufacturer specializing in Hydraulic and Automobile Pipes, we offer bespoke solutions designed for durability and reliability. Place your trust in us as your foremost exporter of Premium Quality Steel Tubes.


Welcome to Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd. is a prestigious leader in the realm of advanced equipment manufacturing, specializing in the innovative research and development of High Precision Cold Drawn Seamless Steel Tubes and High Pressure Fuel Tubes. Nestled in the scenic Yangtze River region, our expansive facility covers over 15,000 square meters and boasts assets surpassing RMB 80 million.
Founded in 2007, Zhangjiagang Shengdingyuan has consistently delivered a diverse array of top-tier products, including Cold Drawn High Precision Seamless Steel Tubes, Hydraulic System Brightness Fuel Tubes, Diesel Engine Common-Rail High Pressure Fuel Tubes, Black Phosphated Hydraulic Tubes, and High Pressure Seamless Square Tubes. Our products serve a wide range of industries such as equipment manufacturing, hydraulic systems, automotive, marine, common-rail diesel engines, engineering machinery, fabric equipment, heat exchangers, and chemical machinery. Our annual production exceeds 8,000 tons, ensuring a reliable and steady supply for our valued customers.









