Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
High Precision Cold Rolled Seamless Steel Pipes
Detailed Specifications:
- Outer Diameter: Ranges from 3mm to 90mm
- Wall Thickness: Between 0.5mm and 8mm
- Dimensional Tolerance: +/-0.1mm
- Production Techniques: Cold Drawing/Cold Rolling
- Standards Compliance: ASTM A519, DIN2391, SAE J524, EN10305-4, GB/T3639
- Available Steel Grades: E355, E235, 10#, 20#, Q355B, and more
Delivery States Available: BK, BKW, NBK, GBK, BKS
Versatile Applications: Ideal for mechanical processing, automotive industry, and hydraulic equipment
Our Competitive Advantages:
- Capability to produce smaller calibers
- Flexible to accept small quantity orders
- Exceptional surface treatment quality
- Outstanding performance for mechanical applications
Various 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)
Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
High-Quality Cold Drawn Steel Pipe: Perfect for hydraulic systems. Seamless, galvanized, and competitively priced.


Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang City ShengDingYuan Pipe-Making Co., Ltd. (known as Sheng ***) stands as a premier enterprise focused on the R&D of High Precision Cold Drawn Seamless Steel Tubes and High-Pressure Fuel Tubes. Spanning over 15,000 square meters with assets totaling more than RMB 80 million, Sheng *** has pursued relentless expansion since its inception in 2007.
Our diverse product portfolio 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 offerings are widely used across industries such as equipment manufacturing, hydraulic systems, automotive, marine, engineering machinery, fabric equipment, heat exchangers, and chemical machinery. We boast an annual output surpassing 8000 tons, ensuring dependable supply for our clientele.









