Latest Products
Contact Us
- No.5 Industrial Road Panjia Industrial Zone. Xueyan Town, Wujin District, Changzhou City,Jiangsu Province China.
- mary@cnhengjiu.com
- +86-519-86541389
Your Professional Cold Rolled Seamless Tube Supplier
Our goal is to become your reliable partner in the cold rolled seamless tube in China. Founded in 2005, Jiangsu YingNaisi is a specialized manufacturer focusing on precision cold-drawn steel tubes and hydraulic cylinders. We are committed to applying advanced manufacturing technologies and strict quality control standards to every product. Our products are quality-assured, making us a dependable choice for long-term cooperation.
Cold Rolled Pipe for Textile Scroll TubeCold rolled pipe for textile scroll tube is a critical component in modern textile machinery, designed to meet the high standards of precision, durability, and efficiency required in the industry.
Add to Inquiry
Precision Cold Rolled Seamless TubePrecision cold rolled seamless tube is a high-quality steel product known for its excellent dimensional accuracy, smooth surface finish, and superior mechanical properties. Manufactured through a
Add to Inquiry
Precision Seamless Steel PipePrecision seamless steel pipe is a high-quality tubular product known for its exceptional dimensional accuracy, superior surface finish, and excellent mechanical properties. Manufactured to meet or
Add to Inquiry
Seamless Cold Drawn Tubes for Oil and Gas PipelineSeamless cold drawn tubes for oil and gas pipeline are high-performance steel pipes designed to meet the rigorous demands of the energy transportation industry. Manufactured through a precision cold
Add to Inquiry
Precision Cold Rolled Seamless Steel PipePrecision cold rolled seamless steel pipe is a high-performance tubular product known for its exceptional dimensional accuracy, superior surface finish, and excellent mechanical properties.
Add to Inquiry
Precision Cold Rolled Seamless Tube for Esp Pumping CaseThis specialized tubing is designed to house and protect the pump and motor assemblies, ensuring reliable performance in challenging downhole environments. The manufacturing process involves cold
Add to Inquiry
Why Choose Us
Advanced Production Equipment:
The company is equipped with 18 CNC machining centers, 5 automatic welding production lines, 2 cylinder component cleaning production lines, 2 assembly production lines, 4 performance testing benches, and 2 painting production lines, with an annual output of 50,000 hydraulic cylinders.
Our Services:
We provide hydraulic cylinder installation and commissioning support: remote or on-site engineering guidance for system integration, free replacement or repair for non-human-caused damage, and regular follow-up on equipment performance and preventative maintenance recommendations.
Our Production Capacity:
Annual sales of precision cold-drawn tubing exceed 8,000 tons, and annual sales of hydraulic cylinders exceed 20,000 units.
Quality Control:
Our products are manufactured strictly according to international standards, using high-quality materials to ensure superior strength and durability. Each tube undergoes a special heat treatment process to further enhance its mechanical properties and wear resistance.
Advantages of Cold Rolled Seamless Tube
High dimensional accuracy:
Cold drawn pipes have superior dimensional accuracy and tight tolerances, which is ideal for applications that require exact specifications and consistency.
Smooth surface finish:
The cold drawing process results in a smooth, polished surface, making the pipes suitable for high-quality and aesthetic applications
Increased strength and hardness:
The cold drawing process increases the strength and hardness of the material due to strain hardening, providing greater durability and resistance to wear and tear.
Improved mechanical properties:
Cold drawn pipes exhibit enhanced tensile strength, yield strength, and fatigue resistance, which is essential for high-stress applications like aerospace or heavy machinery.
Higher resistance to corrosion:
Cold drawn pipes are less susceptible to internal defects and provide better corrosion resistance, making them suitable for use in harsh environments such as chemicals and marine applications.
Specification of Cold Rolled Seamless Tube
|
Product Name |
Cold rolled seamless tube |
|
Material |
Carbon Steel and Alloy Steel |
|
Surface |
Oiled, Polished, Brightness, Metallic color |
|
Standard |
ASTM A106 A53 A192 A179 A210 A519 |
|
Grade |
St35,St45,St52,E215,E235,E355,sch10,sch20,A106,A179,A192,A210,T11,T22,T12,AISI4130,SAE1010,SAE1020.etc |
|
Technique |
Cold drawn & cold rolled |
Precision cold rolled seamless tube is a high-quality steel product known for its excellent dimensional accuracy, smooth surface finish, and superior mechanical properties. Manufactured through a cold rolling process, this type of tube ensures tight tolerances and enhanced structural integrity, making it ideal for applications requiring high precision and reliability.
Its seamless construction ensures leak-proof performance and high resistance to pressure, making it suitable for transporting fluids under low to medium pressure.
Application of Cold Rolled Seamless Tube
Automotive Industry:
Precision components and structural frameworks.
01
Construction:
Structural supports and decorative elements.
02
Furniture:
Sleek, modern office and institutional furniture designs.
03
Recreational Vehicles (RVs):
Durable and strong components.
04
Material Handling:
Racks, shelving, and storage systems.
05
Pickling: Removes scale and surface impurities from the steel pipe, providing a clean surface for subsequent processing.
Phosphating: Forms a lubricating film on the pipe surface, reducing friction during the drawing process and minimizing the risk of surface scratches.
Cold Drawing: The pipe is plastically deformed at room temperature through a drawing die, reducing and homogenizing the outer diameter and wall thickness. This is the core process that determines dimensional accuracy and surface finish.
Annealing: Used to relieve internal stresses generated during cold working and restore material ductility, preventing cracking or failure during subsequent processing or service.
Finishing: Includes straightening, cutting, inspection, and other final processes to ensure the pipe meets end-use requirements.
Custom Solutions for Cold Rolled Seamless Tube
Cutting to Specific Lengths:
Tailored to fit project specifications.
Deburring and Finishing:
Ensuring safe handling and aesthetic quality.
Custom Packaging:
Options such as rectangular or hexagonal bundling.
Other Service of Cold Rolled Seamless Tube
|
Package |
Bundle packing, waterproof paper wrapping |
|
Shipping |
Sea/Express |
|
Payment |
We accept T/T and L/C. For samples or small trial orders |
FAQ
We are one of the most professional cold rolled seamless tube manufacturers and suppliers in China, also support customized service. We warmly welcome you to buy bulk cold rolled seamless tube in stock here from our factory. Quality products and low price are available.
1045 cold drawn steel properties, bright drawn mild steel properties, cold rolled steel products