Demand for high-performance materials rarely lets up. Precision steel tubing sits at the center of that reality, strengthening structures and keeping systems efficient. We look at where these tubes matter, how they are produced, and why a clear grasp of their applications and processes helps optimize industrial performance while safeguarding reliability in critical systems.
Precision steel pipe and steel are indispensable in numerous modern industries. Their applications range from automotive components to high-pressure boiler systems. The exacting requirements of these sectors necessitate materials with superior dimensional accuracy, strength, and durability. We recognize that the proper selection of steel type and manufacturing process directly impacts performance and safety. For instance, in automotive manufacturing, lightweight yet robust steel pipes contribute to fuel efficiency and crashworthiness. In construction, specialized steel tubes form the backbone of resilient structures. The ability to customize these materials further enhances their utility, allowing engineers to design for specific stress, temperature, and environmental conditions. This adaptability makes precision steel a vital asset in advancing technological capabilities across various fields.
Since 2004, Changzhou Tenjan Steel Tube has established itself as a leading provider of precision steel tubing. Our journey reflects a commitment to vertical integration, ensuring meticulous control over every production stage. This approach guarantees consistent quality and reliability in all our products. We specialize in developing tailored solutions that meet the stringent demands of global industries.
Our history since 2004 demonstrates our dedication to vertically integrated manufacturing. This model allows us to oversee raw material selection, processing, and final inspection. We maintain strict quality control, enhancing efficiency and product integrity. This comprehensive oversight ensures that every steel tube leaving our facility meets the highest standards.
We offer an extensive portfolio of precision steel tubes and pipes, designed to meet diverse industrial needs. Our product range encompasses various materials, processes, and shapes, ensuring optimal performance for specific applications. We pride ourselves on delivering high-quality solutions that engineers can trust.
Seamless tubes and cold-drawn profiles offer distinct advantages for demanding applications. Seamless pipes provide uniform strength and pressure resistance due to their lack of welded seams. Cold drawing and cold rolling processes enhance dimensional accuracy and surface finish. These methods produce tubes with superior mechanical properties. Our product line includes Seamless Pipe&Tube and Cold Drawn Pipe&Tube, which exemplify these benefits. These tubes are crucial in systems where integrity and precision are paramount.
| Product Name | Outer Diameter (mm) | Wall Thickness (mm) | Material | Process | Key Application |
|---|---|---|---|---|---|
| Seamless Pipe & Tube | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | General Industrial, Automotive, High-Pressure Boilers |
| Cold Drawn Pipe & Tube | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | Precision Components, Fluid Transport |
| Cold-Drawn Welded Tube | 20-108 | 1-6 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | General Manufacturing, Automotive |
We provide a wide array of custom-shaped and alloy steel tubes. These specialized tubes meet unique engineering requirements. Our capabilities include various cross-sectional profiles such as square, rectangular, hexagonal, and Oval Steel Pipes&Tubes. These shapes offer structural and aesthetic versatility. We also supply a range of alloy and carbon steel tubes, including 4140 Steel Pipe and Special-Shaped Alloy Steel Tubes. Each material is selected for specific properties like strength, wear resistance, or machinability. This customization ensures optimal fit and performance for every project.

Quality assurance is fundamental to our operations. We implement rigorous testing and inspection protocols at every stage of manufacturing. This commitment ensures that our products consistently meet or exceed industry benchmarks. Our adherence to global standards reinforces our reputation for reliability.
Our products comply with major international standards, including ASTM, EN, DIN, and JIS. This compliance ensures global applicability and reliability. For example, ASTM A179 Steel Pipe is designed for heat exchangers, while EN10305-1 Steel Pipe ensures precision in cold-drawn applications. We hold ISO certification, reflecting our robust quality management system. Positive Material Identification (PMI) and Non-Destructive Testing (NDT) are routinely performed. These inspections verify material integrity and prevent defects.
| Standard | Wall Thickness (mm) | Diameter (mm) | Material | Process | Applications |
|---|---|---|---|---|---|
| JIS G3461 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | Boiler and Heat Exchanger Systems |
| DIN 17175 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | High-Temperature Applications, Boiler Systems |
| EN 10297-1 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | Mechanical and Engineering Applications |
| ASTM A519 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | Mechanical Manufacturing |
| GOST 8733 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | General Structural Applications |
| JIS G3445 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | Machine Structural Purposes |
| STKM11A Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | General Machinery Components |
| DIN 2391 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | Precision Seamless Cold-Drawn Applications |
| ASTM A192 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | High-Pressure Boilers |
| JIS G3441 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | Machine Structural Purposes |
| ASTM A106 Gr.B Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | High-Temperature Fluid Transport Systems |
| ASTM A500 Steel Pipe | 10-108 | 1-20 | Carbon/Alloy Steel | Cold Drawn & Cold Rolled | Building and Structural Applications |
Our precision steel tubes are integral to various industries, providing essential components for critical systems. We ensure that each product is engineered for specific performance requirements. This adaptability makes our tubes suitable for a wide range of demanding environments.
Our steel tubes serve critical applications in diverse sectors. In the automotive industry, our tubes are used for components requiring high strength and precision. Construction engineering benefits from our Rebar Coupler systems, which ensure strong and reliable rebar connections. High-pressure boilers and fluid transport systems rely on our tubes for their ability to withstand extreme conditions. For example, S355JR Steel Pipe offers excellent weldability for structural applications. 25CrMo4 Steel Pipe provides superior hardenability and high-temperature strength for demanding environments.

We also supply specialized products like 16MnCr5 Steel Pipe, a case-hardening steel with excellent wear resistance. 34MnB5 Alloy Pipe offers exceptional hardenability and strength after heat treatment. These materials are crucial for components in engineering and mining support, as well as agricultural machinery. Our comprehensive range ensures that we can meet the specific needs of any project.
Changzhou Tenjan Steel Tube specializes in both carbon steel and alloy steel tubes, offering a wide range of materials to meet diverse industrial requirements. Our product catalog includes specific grades like 4140, S355JR, 25CrMo4, and many others, ensuring optimal performance for various applications.
Yes, Tenjan Steel Tube excels in manufacturing custom-shaped steel tubes. We can produce tubes with various cross-sectional profiles, including square, rectangular, hexagonal, oval, and other complex geometries, designed to meet your unique engineering specifications.
We uphold stringent quality control through ISO certification, ensuring full process control from raw material to finished product. Our inspections include Positive Material Identification (PMI) and Non-Destructive Testing (NDT) to guarantee material integrity and product reliability.
Our steel pipes and tubes are manufactured to comply with major international standards, including ASTM, EN, DIN, and JIS. This commitment to global standards ensures that our products meet the highest quality and performance benchmarks required by international clients.
Tenjan’s precision steel tubing serves critical applications across a wide range of industries, including automotive, high-pressure boilers, construction machinery, hydraulics, fluid transport systems, and general manufacturing. Our versatile products are designed for demanding environments.
Ready to move your project forward with precision steel pipes and tubes? Contact Changzhou Tenjan Steel Tube Co.,Ltd today for custom solutions, expert consultation, and a quote tailored to your exact specifications. Email us at Sunny@tenjan.com or call +86 51988789990. Your engineering success starts here.
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