DIN 2391 Seamless Pipe Manufacturer

DIN 2391, the authoritative din 2391 standard, is a German standard for seamless precision steel tubes, widely used in mechanical and automotive engineering. These pipes are manufactured through cold drawing or cold rolling, ensuring high dimensional accuracy, excellent surface finish, and superior mechanical properties, all strictly in line with din 2391 standard, and these outstanding characteristics are fully reflected in din 2391 tube.

DIN 2391 covers non-alloy and alloy steel grades, such as St35, St52, and CK45, tailored for applications requiring strength, precision, and durability, which are exactly the performance advantages of din 2391 pipe. Commonly used for hydraulic systems, cylinders, and precision components, these tubes offer excellent machinability and weldability, making din 2391 pipe highly recognized in industrial applications. The standard ensures consistent quality, making them ideal for high-performance applications in demanding industries, and din 2391 pipe perfectly meets these application requirements.

Types of DIN 2391 Standard Seamless Steel Pipe

Carbon Steel Seamless Pipe

Standard Grades of DIN 2391 pipes

DIN 2391 specifies two quality grades for seamless precision steel tubes. Quality A is for tubes without special inspection requirements, while Quality C is for tubes subject to additional requirements.

Material Grades of DIN 2391 pipes

The standard includes several steel grades such as St30Al (1.0212), St30Si (1.0211), St35 (1.0308), St45 (1.0408), and St52 (1.0580). Each grade has specific chemical composition requirements.

Chemical Composition of DIN 2391 pipes

The chemical composition varies by grade. For example, St30Al has 0.17-0.24% C, 0.10-0.35% Si, 0.40-0.80% Mn, max 0.035% P, and max 0.035% S. St52 has max 0.22% C, max 0.55% Si, max 1.60% Mn, max 0.025% P, and max 0.025% S.

Mechanical Properties of DIN 2391 pipes

Mechanical properties also differ. St30Al has a tensile strength of 420-550 MPa, yield strength of 275 MPa min, and elongation of 21% min. St52 has a tensile strength of 580-730 MPa, yield strength of 420 MPa min, and elongation of 15% min.

Advantages of DIN 2391 Seamless Steel Pipe

DIN 2391 seamless steel pipes are known for their high precision and dimensional accuracy. They have tight tolerances and smooth surfaces, making them ideal for applications requiring high precision. These pipes are manufactured through cold drawing or rolling processes, which enhance their mechanical properties and durability. They offer excellent resistance to wear and tear, reducing maintenance costs and ensuring long service life.

Applications of DIN 2391 Seamless Steel Pipe

DIN 2391 seamless steel pipes are widely used in various industries. In the automotive sector, they are used for manufacturing critical components like shock absorbers and steering systems. In mechanical engineering, these pipes are essential for creating high-precision components that require reliable performance under stress. They are also commonly used in hydraulic and pneumatic systems for fluid control, ensuring leak-free performance, and din 2391 tube is favored in these systems for its excellent sealing performance.

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DIN 2391 Standard Seamless Steel Pipe Supplier