Products Description
Din 2391 St35 Carbon Steel Pipe
Advantages of DIN 2391 ST35 Carbon Steel Pipe in Specific Applications
- In hydraulic and pneumatic systems, the cold drawing process provides excellent dimensional accuracy and surface finish, and the low carbon content allows for good forming and bending without cracking.
- In mechanical engineering and structural applications, Din 2391 St35 Carbon Steel Pipe has good weldability and machinability, and uniform mechanical properties for load-bearing parts.
- In the automotive industry, Din 2391 St35 Carbon Steel Pipe provides tight tolerances and clean holes, which are critical for hydraulic controls.
Applications Areas of DIN 2391 ST35 Carbon Steel Pipe
- Hydraulic and pneumatic systems: hydraulic lines, pneumatic actuator cylinders, high-precision fluid delivery systems, etc.
- Automotive industry: shock absorber cylinders, brake and fuel lines, power steering oil pipes, steering columns, etc.
- Mechanical engineering and machinery manufacturing: mechanical parts, shafts and bearing sleeves, guide tubes for moving components, etc.
- Hydraulic cylinder manufacturing: inner tubes of hydraulic cylinders and pneumatic cylinders and cylinder blocks for light equipment
- Agricultural and construction machinery: tractors, excavator hydraulic pipe assemblies, frame tubes and support elements in equipment, etc.
Chemical Composition
| Element | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) |
| Composition (%) | 0.17 max | 0.35 max | 0.40-0.80 | 0.040 max | 0.040 max |
Mechanical Properties
| Property | Tensile Strength | Yield Strength | Elongation | Hardness (HB) |
| Value | 420-580 MPa | ≥ 235 MPa | ≥ 25% | ≤ 143 |
Physical Properties
| Property | Density | Melting Point | Thermal Conductivity | Electrical Conductivity |
| Value | 7.85 g/cm³ | 1420-1460°C | 51.9 W/mK (at 0°C) | 2.07% IACS (at 20°C) |
Possible Alternative Grades
Alternative grades that can be considered as substitutes for DIN 2391 St35 carbon steel pipe include:
DIN 2391 St45
DIN 2391 St52
These alternatives offer similar properties and performance characteristics suitable for comparable applications.
DIN 2391 St35 carbon steel pipe stands as a benchmark in precision tubing, offering reliable performance and versatility across various demanding applications. Its superior quality and precision make it a preferred choice in critical engineering and automotive applications.
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