Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Exquisite Cold Rolled Seamless Steel Pipe
Specifications:
- Outer Diameter (OD): 3mm ~ 90mm
- Wall Thickness: 0.5mm ~ 8mm
- Tolerance: +/-0.1mm for precise fit
- Technique: Advanced Cold Drawing/Cold Rolling
- Standard Compliance: ASTM A519, DIN2391, SAE J524, EN10305-4, GB/T3639
- High-Quality Steel Materials: E355, E235, 10#, 20#, Q355B, etc.
Delivery State: Delivery Conditions: BK, BKW, NBK, GBK, BKS
Usage: Extensively Used For: Mechanical processing, automobile industry, hydraulic equipment
Advantages:
- Smaller Caliber for Precision Applications
- Flexible Order Quantities: Accept small quantity orders
- High-Quality Surface Treatment for Superior Finish
- Superior Performance: Ideal for mechanical manufacturing
Delivery Condition:
- 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)
Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Cold Drawn Steel Pipe for Hydraulic Systems: Premium precision tubes tailored for hydraulic applications. Seamless, galvanized, and competitively priced.


Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang City ShengDingYuan Pipe-Making Co., Ltd. (referred to as Sheng ***) stands as a premier enterprise in the research and development of High Precision Cold Drawn Seamless Steel Tubes and High Pressure Fuel Tubes. Occupying an expansive area of over 15,000 square meters and boasting total assets exceeding RMB 80 million, Sheng *** has committed to relentless growth and innovation since its inception in 2007.
Our extensive product lineup includes 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. These high-quality products serve a broad array of industries, including equipment manufacturing, hydraulic systems, automotive, marine, engineering machinery, fabric equipment, heat exchangers, and chemical machinery. Our impressive annual output surpasses 8000 tons, ensuring a reliable supply chain for our valued customers.









