Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Precise Cold Rolled Seamless Steel Pipe
Specifications:
- Outer Diameter (OD): Ranging from 3mm to 90mm
- Wall Thickness: Spanning 0.5mm to 8mm
- Tolerance: +/-0.1mm for precision you can count on
- Technique: Expertly crafted through Cold Drawing/Cold Rolling
- Standard: Conforms to ASTM A519, DIN2391, SAE J524, EN10305-4, GB/T3639
- Steel Material: Diverse selection including E355, E235, 10#, 20#, Q355B, and more
Delivery State: BK, BKW, NBK, GBK, BKS - tailored to your needs
Usage: Widely employed in mechanical processing, automotive industry, and hydraulic equipment
Advantages:
- Enables smaller caliber designs
- Accepts small quantity orders for flexibility
- Impeccable surface treatment
- Excellent performance 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: High-quality precision tube for hydraulic use. Seamless, galvanized, and competitively priced from the factory.


Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang City ShengDingYuan Pipe-Making Co., Ltd. (referred to as Sheng ***) stands at the forefront of precision tube manufacturing. Since our inception in 2007, we have specialized in High Precision Cold Drawn Seamless Steel Tubes and High Pressure Fuel Tubes. With a substantial footprint of over 15,000 square meters and assets surpassing RMB80 million, Sheng *** continues to thrive and innovate.
Our extensive product line features 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. Serving a myriad of industries including equipment manufacturing, hydraulic systems, automotive, marine, engineering machinery, fabric equipment, heat exchangers, and chemical machinery, we ensure a consistent supply with an annual output exceeding 8000 tons.









