Seamless Precision Steel Tubes
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- The name :
DIN2391 Seamless Precision Cold Drawn Steel Tubes
- Product Description
- Applications: for Auto industry / for machinery use / Oil Cylinder Tube / Motorcyle shock absorber
Auto shock absorber innder cylinder / Telescopic Cylinders
Size range: O.D.:6-280mm W.T.:1-30mm L:max12000mm - Model : DIN2391
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Previous : BS6323-7 Submerged Arc Welded Steel Tubes
Instruction
Standard: DIN2391 Seamless Cold Drawn/Rolling Steel Tubes
Applications: for Auto industry / for machinery use / Oil Cylinder Tube / Motorcyle shock absorber
Auto shock absorber innder cylinder / Telescopic Cylinders
Size range: O.D.:6-350mm W.T.:1-50mm L:max12000mm
Steel Grade and Chemical Compositions:
| Steel Grade | C | Si | Mn | P | S | |
| max | max | max | max | |||
| ST35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 | |
| ST45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 | |
| ST52 | 0.22 | 0.35 | ≥1.60 | 0.025 | 0.025 |
| Mechanical properties at room temperature | ||||||||||
| Steel Grade | Minimum values for the delivery condition | |||||||||
| BKW | BKS | GBK | (+N) NBK | |||||||
| ST35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 340-470 | 235 | 25 |
| ST45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 440-570 | 235 | 21 |
| ST52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490-630 | 355 | 22 |
Note: Special steel grade is also available, according to customer request.
- CONTACT US
- Mobile: 0086-(0)137 3616 4628
- Tel : 0086-574-88255925
- Fax : 0086-574-88086983
- Email : sales@steel-tubes.com
