Basic Info
Additional Info
Product Description
1. Decoiling | Unrolling the winded skelp. |
2. Butt welding | Connecting the both ends of skelp for the continuous production. |
3. Accumulator | Stacking the connected skelp to decrease the material preparation time. |
4. Forming | Passing skelp through the roll forming tool. |
5. Welding | Welding process by electric resistance. |
6. Cooling | Air and water cooling to uniformalize the heated organization after high frequency heat treatment process. |
7. Sizing | To accurate the out diameter of pipe. |
8. Cut-Off | Cutting to ordered dimension. |
9. Straightening | Passing through the correction gap for the straightness. |
10. End facing | Chamfering & beveling the cut side according customer`s order. |
11. Hydrostatic testing | Checking the water leak and crack. |
12. Packing | Packing by ordered. |
MODEL | Round pipe diameter range (mm) | Round pipe thickness range (mm) | Square pipe diameter range (mm) | Square pipe thickness range (mm) | Forming speed (m/min) |
YY20 | Φ8--Φ20 | 0.5-1.2 | 10*10--20*20 | 0.5-1.0 | 20-100 |
YY32 | Φ12--Φ32 | 0.6-2.0 | 10*10--25*25 | 0.6-1.8 | 20-100 |
YY50 | Φ15--Φ50 | 0.8-3.0 | 15*15--40*40 | 0.8-2.5 | 20-80/120 |
YY63 | Φ21--Φ63 | 0.8-3.5 | 15*15--50*50 | 0.8-3.0 | 20-80/120 |
YY76 | Φ21--Φ76 | 1.0-4.0 | 20*20--60*60 | 1.0-3.5 | 20-80/120 |
YY89 | Φ32--Φ89 | 1.5-4.5 | 25*25--70*70 | 1.5-4.0 | 20-70 |
YY114 | Φ48--Φ114 | 1.5-5.0 | 40*40--90*90 | 1.5-4.5 | 20-60 |
YY140 | Φ48--Φ140 | 1.5-5.5 | 40*40--110*110 | 1.5-5.0 | 20-60 |
YY165 | Φ60--Φ165 | 2.0-6.0 | 50*50--130*130 | 2.0-5.5 | 10-45 |
YY219 | Φ89--Φ219 | 3.0-8.0 | 70*70--180*180 | 3.0-7.0 | 10-35 |
YY273 | Φ114--Φ273 | 5.0-10.0 | 100*100--200*200 | 4.0-8.0 | 10-35 |
YY325 | Φ165--Φ325 | 6.0-12.0 | 120*120--250*250 | 6.0-10.0 | 10-30 |
YY426 | Φ219--Φ426 | 8.0-14.0 | 150*150--300*300 | 8.0-12.0 | 10-30 |
YY508 | Φ273--Φ508 | 10.0-16.0 | 200*200--400*400 | 10.0-16.0 | 10-20 |
YY630 | Φ325--Φ630 | 12.0-20.0 | 250*250--500*500 | 12.0-20.0 | 10-20 |