Premium Quality Cold Rolled Seamless Steel Pipe
Company: Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Specifications:
- Outer Diameter (OD): 3mm ~ 90mm
- Wall Thickness: 0.5mm ~ 8mm
- Tolerance: +/-0.1mm
- Technique: Cold Drawing/Cold Rolling
- Standards Met: ASTM A519, DIN2391, SAE J524, EN10305-4, GB/T3639
- Steel Material Options: E355, E235, 10#, 20#, Q355B, and more.
- Delivery State: BK, BKW, NBK, GBK, BKS
Usage:
Extensively used in mechanical processing, automotive industry, and hydraulic equipment.
Advantages:
- Ideal for smaller calibers.
- Capability to handle small quantity orders.
- Excellent surface treatment.
- Outstanding performance for mechanical applications.
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)
Welcome to Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd., your top destination for unparalleled quality in steel pipe manufacturing.
Discover the impeccably crafted Precision Cold Drawn Steel Tube, available at competitive factory prices. As a front-runner in the fabrication of Hydraulic and Automobile Pipes, we specialize in delivering customized, durable, and reliable solutions. Count on us as your premier exporter of superior Quality Steel Tubes.


Welcome to Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd. stands as a prestigious leader in the field of high-precision metal craftsmanship, dedicated to the pioneering research and development of Precision Cold Drawn Seamless Steel Tubes and High-Pressure Fuel Tubes. Nestled in the industrious Yangtze River region, our expansive facilities cover over 15,000 square meters, boasting assets that exceed RMB 80 million.
Founded in 2007, Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd. offers a vast array of specialized products, including 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. Our versatile offerings serve a wide range of industries, from equipment manufacturing and hydraulic systems to automotive, marine, common-rail diesel engines, engineering machinery, fabric equipment, heat exchangers, and chemical machinery. With an impressive annual output exceeding 8,000 tons, we guarantee a reliable and robust supply chain for our valued clientele.









