Seamless Precision Steel Tubes
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- The name :
Hydraulic and Pneumatic Seamless Cold Drawn Tubes EN10305-4
- Product Description
- Standard: EN10305-4 Seamless Cold Drawn Tubes for Hydraulic and Pnematic Systems
Steel tubes for precision applications.Technical delivery conditions - Model : EN10305-4
Previous : EN10305-1 Seamless Cold Rolling Steel Tubes
Instruction
Standard: EN10305-4 Seamless Cold Drawn Tubes for Hydraulic and Pnematic Systems
Steel tubes for precision applications.Technical delivery conditions
Applications: for hydraulic and pneumatic power systems
Size range: O.D.:6-80mm W.T.:0.5-12.5mm L: max12000mm
Steel Grade and Chemical Compositions:
| Steel Grade | C | Si | Mn | P | S | Al | |
| Steel name | Steel number | max | max | max | max | max | min |
| E215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
| E235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | - |
| E355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | - |
| Permissible deviations of the product anaysis from the specified limits given in Table 1 | |||||||
| Element | Specified limit of the cast analysis % by mass | Permissible deviation of the product analysis % by mass |
|||||
| C | ≤0.22 | +0.07 | |||||
| Si | ≤0.55 | +0.05 | |||||
| Mn | ≤1.60 | +0.1 | |||||
| P | ≤0.025 | +0.005 | |||||
| S | ≤0.015 | +0.003 | |||||
| Al | ≤0.025 | --0.005 | |||||
| Mechanical properties at room temperature | |||||||
| Steel grade | Yield strengtha ReH min Mpa | Tensile strengtha Rm min Mpa |
Elongation A min % | ||||
| Steel name | steel nubmer | ||||||
| E215 | 1.0212 | 215 | 290-430 | 30 | |||
| E235 | 1.0308 | 235 | 340-480 | 25 | |||
| E355 | 1.0580 | 355 | 490-630 | 22 | |||
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