Tubi in acciaio zincato bianco
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.
In caso di domande,si prega di contattare sales@tubesolutions.com.cn
- Descrizione
- Inchiesta
Descrizione
1. Production of DIN/EN10305 seamless high precision tubes since 2005.
2. Lavorare con i clienti europei,Asia occidentale,America del Sud,etc since 2006.
3. I campioni possono essere consegnati entro 10 giorni dopo la conferma
4. 35 giorni come il periodo di produzione e la consegna dopo la conferma dell'ordine.
5. 200,000 meters of bright annealed seamless steel tubes in stock.
6. 200 sizes can be offered from OD:4.00mmxWT:0.50mm a OD:76mmxWT:8millimetro
7. Ispezione di terze parti come:TÜV,BV,SGS,ecc accettato
8. Il team di professionisti assiste le vostre esigenze speciali del tubo.
In caso di domande,sei più che benvenuto a contattare sales@tubesolutions.com.cn
| Grade | Composizione chimica(%): | ||||
| C max | Si max | Mn | P max | S max | |
| St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
| Steel grade | Composizione chimica(%): | ||||||
| Steel name | Steel number | C max | Si max | Mn | P max | S max | Al 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 | – |
| Steel grade | BK | BKW | BKS | GBK | NBK | |||||||
| RmN/mm min | min | RmN/mm min | min | N/mm min | ReH N/mm min | min | N/mm min | min | N/mm min | ReH N/mm min | min | |
| 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 |
| Steel grade | Minimum values for the delivery condition | ||||||||||||
| Steel name | 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% | ||
| 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 | 450 | 10 | 450 | 22 | 490-630 | 355 | 25 |
