Bsaic Info
Delivery Condition | Bk, Gbk, Bkw, Bks or Nbk |
Certificate | ISO 9001 Ts16949 |
Application | Automotive,Hydraulic System and Precision Device |
Specification | OD3-90mm |
Origin | China |
Standard | DIN2391,En 10305-1, JIS G3445, ASTM A519 |
Steel Grade | St35,St45,St52, E235, E355, 1010, Stkm 11A |
Secondary or Not | Non-Secondary |
Transport Package | Plywood Box or Bundles |
HS Code | 7304319000 |



Precise Cold Rolled Seamless Steel Pipe
- 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 used for mechanical processing, automobile industry, hydraulic equipment
Advantages of our high precision seamless steel pipe:
- Smaller caliber
- Accept small quantity orders
- Good surface treatment
- Superior performance suitable 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)
Company name: Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Hydraulic/Automobile Pipe
Explore our Galvanized Steel Pipe Factory Direct Sales for all your hydraulic and automobile pipe needs. High-quality, durable, and custom options available.


Product Description
Zhangjiagang Shengdingyuan Pipe-Making Co., Ltd.
Zhangjiagang City ShengDingYuan Pipe-Making Co., Ltd, also known as Sheng ***, is situated in the Yangtze River region. Specializing in the research and development of high Precision Cold Drawn Seamless Steel Tubes and High Pressure Fuel Tubes, Sheng *** is a leading equipment enterprise.
The company's facilities span over 15000 square meters with a total asset value exceeding RMB80 million. Since its establishment in 2007, Sheng *** has continuously strived for growth and innovation, resulting in a diverse product range.
Sheng ***'s product line 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 find applications in various industries such as equipment manufacturing, hydraulic systems, automotive, marine, common-rail diesel engines, construction machinery, fabricating equipment, heat exchangers, and chemical machinery.
The company's annual output exceeds 8000 tons, ensuring a reliable supply of high-quality tubes for a wide range of industrial needs.
