Straight seam welded steel pipe(lsaw steel pipe), Double-sided submerged arc welding steel pipe(dsaw steel pipe), longitudinal submerged arc welded steel pipe, high frequency straight seam welded pipe
Grades of LSAW Steel Pipe:
For pipeline: API 5L GR.B, X42, X45, X50, X60, X60, X65, X70, X80 etc.
ASTM A252, GB/T700-2006, GB/T1591-2009, BS EN10025, DIN 17100, JIS G3101 etc.
Sizes of LSAW Steel Pipe: OD: 16″-72″
| O.D. | W.T. | Length(m) | |||||||
| Inch | mm | Min.Yield Strength(Mpa) | |||||||
| Inch | mm | 245(B) | 290(X42) | 360(X52) | 415(X60) | 450(X65) | 485(X70) | 555(X80) | |
| 16 | 406 | 6.0-14.0 | 6.0-13.0 | 6.0-12.0 | 6.0-11.0 | 6.0-10.5 | 6.0-10.0 | 6.0-9.0 | 6.0-12.3 |
| 18 | 457 | 6.0-15.0 | 6.0-14.0 | 6.0-13.0 | 6.0-12.0 | 6.0-11.5 | 6.0-11.0 | 6.0-10.0 | 6.0-12.3 |
| 20 | 508 | 6.0-16.0 | 6.0-15.0 | 6.0-14.0 | 6.0-13.0 | 6.0-12.5 | 6.0-12.0 | 6.0-11.0 | 6.0-12.3 |
| 22 | 559 | 6.0-17.0 | 6.0-16.0 | 6.0-15.0 | 6.0-14.0 | 6.0-13.5 | 6.0-13.0 | 6.0-12.0 | 6.0-12.3 |
| 24 | 610 | 6.0-18.0 | 6.0-17.0 | 6.0-16.0 | 6.0-15.0 | 6.0-14.5 | 6.0-14.0 | 6.0-13.0 | 6.0-12.3 |
| 26 | 660 | 6.0-19.0 | 6.0-18.0 | 6.0-17.0 | 6.0-16.0 | 6.0-15.0 | 6.0-15.0 | 6.0-14.0 | 6.0-12.3 |
| 28 | 711 | 6.0-20.0 | 6.0-19.0 | 6.0-18.0 | 6.0-17.0 | 6.0-16.5 | 6.0-16.0 | 6.0-15.0 | 6.0-12.3 |
| 30 | 762 | 7.0-21.0 | 7.0-20.0 | 7.0-19.0 | 7.0-18.0 | 7.0-17.5 | 7.0-17.0 | 7.0-16.0 | 6.0-12.3 |
| 32 | 813 | 7.0-22.0 | 7.0-21.0 | 7.0-20.0 | 7.0-19.0 | 7.0-18.5 | 7.0-18.0 | 7.0-17.0 | 6.0-12.3 |
| 34 | 864 | 7.0-23.0 | 7.0-22.0 | 7.0-21.0 | 7.0-20.0 | 7.0-19.5 | 7.0-19.0 | 7.0-18.0 | 6.0-12.3 |
| 36 | 914 | 8.0-24.0 | 8.0-23.0 | 8.0-22.0 | 8.0-21.0 | 8.0-20.5 | 8.0-20.0 | 8.0-19.0 | 6.0-12.3 |
| 38 | 965 | 8.0-25.0 | 8.0-24.0 | 8.0-23.0 | 8.0-22.0 | 8.0-21.5 | 8.0-21.0 | 8.0-20.0 | 6.0-12.3 |
| 40 | 1016 | 8.0-26.0 | 8.0-25.0 | 8.0-24.0 | 8.0-23.0 | 8.0-22.5 | 8.0-22.0 | 8.0-21.0 | 6.0-12.3 |
| 42 | 1067 | 8.0-26.0 | 8.0-25.0 | 8.0-24.0 | 8.0-23.0 | 8.0-22.5 | 8.0-22.0 | 8.0-21.0 | 6.0-12.3 |
| 44 | 1118 | 9.0-27.0 | 9.0-26.0 | 9.0-24.5 | 9.0-23.5 | 9.0-22.8 | 9.0-22.0 | 9.0-21.0 | 6.0-12.3 |
| 46 | 1168 | 9.0-27.0 | 9.0-26.0 | 9.0-24.0 | 9.0-23.5 | 9.0-22.8 | 9.0-22.0 | 9.0-21.0 | 6.0-12.3 |
| 48 | 1219 | 9.0-28.0 | 9.0-27.0 | 9.0-25.4 | 9.0-24.0 | 9.0-23.5 | 9.0-23.0 | 9.0-22.0 | 6.0-12.3 |
| 52 | 1321 | 9.0-28.0 | 9.0-27.0 | 9.0-25.4 | 9.0-24.2 | 9.0-23.5 | 9.0-23.0 | 9.0-22.0 | 6.0-12.3 |
| 56 | 1422 | 10.0-29.0 | 10.0-28.0 | 10.0-26.0 | 10.0-24.5 | 10.0-23.8 | 10.0-23.0 | 10.0-22.0 | 6.0-12.3 |
| 60 | 1524 | 10.0-29.0 | 10.0-28.0 | 10.0-26.0 | 10.0-24.5 | 10.0-23.8 | 10.0-23.0 | 10.0-22.0 | 6.0-12.3 |
| 64 | 1626 | 10.0-30.0 | 10.0-29.0 | 10.0-27.0 | 10.0-25.4 | 10.0-24.8 | 10.0-24.0 | 10.0-23.0 | 6.0-12.3 |
| 68 | 1727 | 10.0-30.0 | 10.0-29.0 | 10.0-27.0 | 10.0-25.4 | 10.0-24.8 | 10.0-24.0 | 10.0-23.0 | 6.0-12.3 |
| 72 | 1829 | 10.0-30.0 | 10.0-29.0 | 10.0-27.0 | 10.0-25.4 | 10.0-24.8 | 10.0-24.0 | 10.0-23.0 | 6.0-12.3 |
Tolerance of Outside Diameter and Wall Thickness of LSAW Steel Pipe
| Types | Standard | |||||
| SY/T5040-2000 | SY/T5037-2000 | SY/T9711.1-1977 | ASTM A252 | AWWA C200-97 | API 5L PSL1 | |
| Tube end OD deviation | ±0.5%D | ±0.5%D | -0.79mm～+2.38mm | <±0.1%T | <±0.1%T | ±1.6mm |
| Wall thickness | ±10.0%T | D<508mm, ±12.5%T | -8%T～+19.5%T | <-12.5%T | -8%T～+19.5%T | 5.0mm<t<15.0mm, ±0.11<=”” p=””></t<15.0mm,> |
| D>508mm, ±10.0%T | T≥15.0mm, ±1.5mm | |||||
