Sprial welded pipe

We can produce and supply to you various steel pipes according to international standard. our products are exported to about 50 countries in the world, we get a lot of recognition from many customers since our good quality and service.
Production standard:ASTM A252/EN10224/EN10219/JIS G5525/JIS G3457 Size:8"-10"(219.1mm-1828.8mm)| ASTM pipe | O.D. | Wall thickness | ASTM pipe | O.D. | Wall thickness | ||
| N.B. | N.B. | ||||||
| mm | in | mm | mm | mm | in | mm | mm |
| 200 | 8 | 219.1 | 5.0-8.0 | 1000 | 40 | 1016.0 | 8.0-16.0 |
| 250 | 10 | 273.0 | 5.5-8.0 | 1050 | 42 | 1066.8 | 9.0-16.0 |
| 300 | 12 | 323.9 | 5.5-8.5 | 1150 | 46 | 1168.4 | 10.0-16.0 |
| 350 | 14 | 355.6 | 6.0-8.5 | 1200 | 48 | 1219.2 | 11.0-18.0 |
| 400 | 16 | 406.4 | 6.0-8.5 | 1250 | 50 | 1270.0 | 12.0-18.0 |
| 450 | 18 | 457.2 | 6.0-11.5 | 1300 | 52 | 1320.8 | 12.0-18.0 |
| 500 | 20 | 508.0 | 6.4-13.0 | 1500 | 60 | 1524.0 | 12.5-20.0 |
| 600 | 24 | 609.6 | 7.0-13.0 | 1600 | 64 | 1625.6 | 12.5-20.0 |
| 650 | 26 | 660.4 | 7.0-13.0 | 1700 | 68 | 1727.2 | 12.5-20.0 |
| 750 | 30 | 762.0 | 7.0-14.0 | 1750 | 70 | 1778.0 | 12.5-22.0 |
| 800 | 32 | 812.8 | 7.0-14.0 | 1800 | 72 | 1828.8 | 14.0-22.0 |
| 850 | 34 | 863.6 | 7.0-14.0 | ||||
| 900 | 36 | 914.4 | 7.5-14.5 | ||||
| 950 | 38 | 965.2 | 7.5-14.5 | ||||