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
- Technique: Cold Drawing / Cold Rolling
- Standard: ASTM A519, DIN2391, SAE J524, EN10305-4, GB/T3639
- Steel Material: E355, E235, 10#, 20#, Q355B, etc.
Delivery State: BK, BKW, NBK, GBK, BKS
Usage: Widely Employed in Mechanical Processing, Automotive Industry, Hydraulic Equipment
Advantages:
- Optimized for Smaller Caliber Production
- Accepts Small Quantity Orders
- High-Quality Surface Treatment
- Superior Performance Ideal for Mechanical Fabrication
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 for Hydraulic Applications. Seamless, Galvanized, and Factory-Priced.


Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang City ShengDingYuan Pipe-Making Co., Ltd. (referred to as Sheng ***) is a premier enterprise specializing in the R&D of high Precision Cold Drawn Seamless Steel Tubes and High Pressure Fuel Tubes. Occupying over 15,000 square meters and boasting total assets over RMB 80 million, Sheng *** has pursued relentless growth since its inception in 2007.
Our extensive product range 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 are extensively used in industries such as equipment manufacturing, hydraulic systems, automotive, marine, engineering machinery, fabric equipment, heat exchangers, and chemical machinery. With an annual output exceeding 8000 tons, we ensure a reliable and consistent supply for our valued customers.









