Standard: EN 10208 Grade: L210GA, L235GA, 415QB, L555QB. OD: 33.7-1626mm ... -10mm/5.0-36.00mm Length:39.34' /12M. Standard: EN 10208Grade: L210GA, L235GA, L245GA, L290GA,L360GA, L245NB, L290NB, L360NB,L415NB ... Regards, Mr.Surn ShuMarketing DirectorBeijing Topensea International Co., LtdT: 86-10-69243766 /69252311F: 86-10-69298861TOPENSEA... Supplying the best... with the best