Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Precise 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 utilized in mechanical processing, the automobile industry, and hydraulic equipment.
Advantages:
- Smaller Caliber
- Accepts Small Quantity Orders
- Excellent Surface Treatment
- 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 quality precision tube ideal for hydraulic applications. Seamless, galvanized, and competitively priced at the factory.


Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang City ShengDingYuan Pipe-Making Co., Ltd. (referred to as Sheng ***) stands as a premier equipment enterprise specializing in the R&D of High Precision Cold Drawn Seamless Steel Tubes and High Pressure Fuel Tubes. Spanning over an expansive area of 15,000 square meters and boasting total assets exceeding RMB80 million, Sheng *** has been on a trajectory of constant growth since its inception in 2007.
Our extensive 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 products serve a wide array of industries including equipment manufacturing, hydraulic systems, automotive, marine, engineering machinery, fabric equipment, heat exchangers, and chemical machinery. Our robust annual output surpasses 8000 tons, ensuring a steady and reliable supply for our valued customers.









