White galvanized steel tubes
When producing galvanized steel tubes, we utilize advanced technical processing and use a chemical liquid imported from Germany. Both the inner and outer surfaces of the high precision steel tubes can be galvanized, giving them a high homogeneity and an excellent rust resistant performance.
Zinc wall thickness 8-12um, and customized as per customer requirements. Salt spray test: common requirements- 80-120 hours, high requirements- 120-300 hours Cr+6 free, environmental type
Process Description
Using a high precision, fine drawn bright seamless steel tube as the steel pipe for galvanizing, the outer wall of the steel pipe is cold-galvanized, and both ends are covered for dust protection.
Εάν έχετε ερωτήσεις,please contact sales@tubesolutions.com.cn
- Περιγραφή
- Εξέταση
Περιγραφή
1. Production of DIN/EN10305 seamless high precision tubes since 2005.
2. Working with customers from Europe,West Asia,South America,etc since 2006.
3. Τα δείγματα μπορούν να παραδοθούν εντός 10 days after confirmation
4. 35 days as the production period and delivery after order confirmation.
5. 200,000 meters of bright annealed seamless steel tubes in stock.
6. 200 sizes can be offered from OD:4.00mmxWT:0.50mm to OD:76mmxWT:8χιλ.
7. Third party inspection like:TUV,BV,SGS,etc accepted
8. Professional team assists your special tube requirements.
Εάν έχετε ερωτήσεις,Είστε ευπρόσδεκτοι να επικοινωνήσετε μαζί μας sales@tubesolutions.com.cn
| Grade | Chemical Composition(%): | ||||
| C max | Si max | Μν | P max | S max | |
| Αγ 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| Αγ 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| Αγ 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
| Ποιότητα χάλυβα | Chemical Composition(%): | ||||||
| Όνομα χάλυβα | Αριθμός χάλυβα | C max | Si max | Μν | P max | S max | Al min |
| Ε215 | 1.0212 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
| Ε235 | 1.0308 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | – |
| Ε355 | 1.0580 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 | – |
| Ποιότητα χάλυβα | BK | BKW | BKS | GBK | NBK | |||||||
| RmN/mm Λεπτά | Λεπτά | RmN/mm Λεπτά | Λεπτά | N/mm Λεπτά | ReH N/mm Λεπτά | Λεπτά | N/mm Λεπτά | Λεπτά | N/mm Λεπτά | ReH N/mm Λεπτά | Λεπτά | |
| St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
| St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 235 | 21 |
| St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |
| Ποιότητα χάλυβα | Minimum values for the delivery condition | ||||||||||||
| Όνομα χάλυβα | Steel number | + C | + LC | + SR | + A | + N | |||||||
| Rm Mpa | A% | Rm Mpa | A% | Rm Mpa | ReH Mpa | A% | ReH Mpa | A% | Rm Mpa | ReH Mpa | A% | ||
| Ε215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290-430 | 215 | 30 |
| Ε235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340-480 | 235 | 25 |
| Ε355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 25 |
