Scope of production：
Outer diameter(D)： 73.00 mm ～273.00 mm
wall thickness(S)：5.00 mm ～40.00 mm
| Varieties | Specifications | Grade | Typical uses | ||||||
| Outside diameter | wall thickness | ||||||||
| line pipe | 73.00-273.00 | 5.00-40.00 | B/L245、X42/L290、X52/L360、X56/L390、X60/L415、X65/L450、X70/L485 | PSL1 linepipe | |||||
| BN/L245N、X42N/L290N、X52N/L360N、X56N/L390N、X60N/L415N、X65N/L450N、X70N/L485N BQ/L245Q、X42Q/L290Q、X52Q/L360Q、X56Q/L390Q、X60Q/L415Q、X65Q/L450Q、X70Q/L485Q | PSL2 linepipe for general service | ||||||||
| BNS/L245NS、X42NS/L290NS、X52NS/L360NS、X56NS/L390NS、X60NS/L415NS、X65NS/L450NS、X70NS/L485NS BQS/L245QS、X42QS/L290QS、X52QS/L360QS、X56QS/L390QS、X60QS/L415QS、X65QS/L450QS、X70QS/L485QS | PSL2 linepipe for sour service | ||||||||
| BNO/L245NO、X42NO/L290NO、X52NO/L360NO、X56NO/L390NO、X60NO/L415NO、X65NO/L450NO、X70NO/L485NO BQO/L245QO、X42QO/L290QO、X52QO/L360QO、X56QO/L390QO、X60QO/L415QO、X65QO/L450QO、X70QO/L485QO | PSL2 linepipe for offshore service | ||||||||
