TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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EN10305-4 E235 E355 +C +SRA +N Cold Drawn Pneumatic Cylinders Tube for high precision applications
Standard: EN10305-4 Seamless Cold Drawn/Rolling Steel Tubes
Steel tubes for precision applications.
Applications:
for Auto industry/for Machinery use/Oil Cylinder Tube/Motorcycle shock absorber
Auto shock absorber inner cylinder/Telescopic Cylinders
Size range: O.D.:6-350mm W.T.:1-35mm 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 | - |
| Mechanical properties at room temperature | |||||||||||||
| Steel grade | Minimum values for the delivery condition | ||||||||||||
| Steel Name | steel Nubmer | (+Cc) | (+LCc) | (+SR) | (+Ad) | (+N) NBK | |||||||
| Rm Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | ||
| E215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290-430 | 215 | 30 |
| E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 |
| E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450f | 10 | 450 | 22 | 490-630 | 355 | 22 |
Note: Special steel grade is also available, according to customer request.
High Precision Steel Tubes with SSID:
For Application of: