Products Description
EN10305-1 E235 Seamless Precision Steel Tubes
Advantages of EN 10305-1 E235 Seamless Precision Steel Tubes
- In automotive applications, the seamless construction of EN 10305-1 E235 Seamless Precision Steel Tubes eliminates welds that can weaken under vibration or pressure.
- In hydraulic and pneumatic systems, E235 offers better machinability than stainless steel, reducing machining costs.
- In mechanical engineering and machine parts, EN 10305-1 E235 Seamless Precision Steel Tubes has tighter tolerances to ensure balancing of rotating parts such as rollers, spindles and shafts.
Applications of EN 10305-1 E235 Seamless Precision Steel Tubes
- Automotive industry
- Mechanical engineering
- Hydraulic systems
- Instrumentation
- Precision machinery
Chemical Composition
The chemical composition of EN10305-1 E235 seamless precision steel tubes is as follows:
| Element | Carbon | Silicon | Manganese | Phosphorus | Sulfur |
| Composition (%) | 0.17 max | 0.35 max | 1.20 max | 0.025 max | 0.025 max |
Mechanical Properties
The mechanical properties of EN10305-1 E235 seamless precision steel tubes are as follows:
| Property | Tensile Strength | Yield Strength | Elongation | Hardness |
| Value | 340-480 MPa | 235 MPa min | 25% min | 79 HRB max |
Physical Properties
The physical properties of EN10305-1 E235 seamless precision steel tubes are as follows:
| Property | Density | Melting Point | Thermal Conductivity | Electrical Conductivity |
| Value | 7.85 g/cm³ | 1420-1460°C | 50.2 W/m·K | 1.45 MS/m |
Possible Alternative Grades
- ASTM A513 Type 5 DOM tubing – U.S. standard equivalent for mechanical tubing
- DIN 2391 St 37.4 – Older German standard equivalent
- ASTM A179 (for heat exchanger tubes) – If thermal conductivity is needed
- EN 10216-2 P235TR1 – Pressure tubing for non-precision requirements
- JIS G3445 STKM11A – Japanese standard with similar mechanical behavior
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