What are DIN 2391 ST 55 Seamless Precision Steel Tubes?
DIN 2391 ST 55 Seamless Precision Steel Tubes – DIN 2391 Seamless Steel Tubing for Hydraulic, Automobile. DIN 2391 Seamless precision steel tubes are high-strength, cold drawn, seamless steel tubes with precise dimensional accuracy, beautiful surface, good mechanical property, and fine surface. ST 55 DIN 2391 tubes are commonly used in hydraulic, automobile, engineering machinery, cylinders, boilers and other equipment and precise machine parts. DIN 2391 Seamless Steel Tubes feature the perfect high-pressure resistance, perfect performance and perfect durability for their seamless structure.
DIN 2391 ST 55 Seamless Precision Steel Tubes – Overview
DIN 2391 ST 55 seamless precision steel tubes have gained industry reputation for their excellent mechanical strength, tight dimensional tolerances, high precision and reliability in high demand industrial operations. The precision steel tubes are manufactured through cold-drawing techniques, which guarantee high degree of accuracy and finish for various industrial purposes requiring stringent tolerance levels and smooth surface. We are leading DIN 2391 ST 55 seamless precision steel tubes manufacturer and stock finest quality tubes complying with required quality standards in the globe.
Our precision steel tubes find various applications including hydraulic systems, automotive components, industrial machines and components, engineering structures, and plants, such as construction of industrial hydraulic systems, automotive applications, and more.
Due to its high dimensional accuracy & durability under extreme conditions & its smooth finished product, DIN 2391 ST 55 has good value for industrial machine applications & others.
DIN 2391 ST 55 Seamless Precision Steel Tubes Specification
| Specification | Details |
|---|---|
| Standard | DIN 2391 |
| Grade | ST 55 |
| Manufacturing Process | Seamless Cold Drawn |
| Type | Precision Steel Tubes |
| Surface Finish | Bright, Phosphated, Oiled |
| Delivery Condition | +C, +LC, +SR, +A, +N |
| Outer Diameter | 4 mm – 120 mm |
| Wall Thickness | 0.5 mm – 15 mm |
| Length | Random, Fixed, Cut Length |
| Testing | Hydrostatic, Eddy Current, Mechanical Testing |
| Applications | Hydraulic Systems, Automotive, Engineering Equipment |
Table of Content
- DIN 2391 ST 55 Seamless Precision Steel Tubes Specification
- Key Features of DIN 2391 ST 55 Seamless Precision Steel Tubes
- EN 10305-1 E155 Seamless Precision Steel Tubes Equivalent Grades
- E155+N Seamless Precision Tube and E155+A Cold Drawn Steel Tubing
- Manufacturing Process of DIN 2391 ST 55 Seamless Precision Steel Tubes
- Mechanical Properties of DIN 2391 ST 55 Tubes
- Applications of DIN 2391 ST 55 Seamless Precision Steel Tubes
- Quality Testing and Inspection
- Why Choose Us for DIN 2391 ST 55 Seamless Precision Steel Tubes?
- Related Precision Steel Tube Products
- Frequently Asked Questions
Key Features of DIN 2391 ST 55 Seamless Precision Steel Tubes
Our DIN 2391 ST 55 tubes are engineered to meet the demanding requirements of modern industrial applications.
High Dimensional Accuracy
Manufactured through advanced cold drawn precision tubing processes, the tubes offer tight dimensional tolerances and consistent wall thickness.
Excellent Mechanical Strength
The ST 55 grade provides enhanced tensile strength and durability, making it suitable for high-pressure and heavy-duty applications.
Superior Surface Finish
The seamless manufacturing process results in a smooth internal and external surface that minimizes friction and improves system efficiency.
Outstanding Weldability
The tubes can be welded and fabricated easily, enabling their use in complex engineering assemblies.
Corrosion Resistance
Proper finishing treatments provide additional protection against environmental and industrial corrosion.
Long Service Life
The combination of quality raw materials and precision manufacturing ensures dependable long-term performance.