API 5L GR.B/ASTM A53 GR.B, ACIER AU CARBONE, TUYAU EN ACIER LSAWEXW TIANJINDiamètre extérieur 外径 (mm)USD/TON406457508609.6711.1762812863.6Mur 8$709.28$702.72$709.28$696.17$696.17$696 .17696,17 $696,17 $Épaisseur 9,53702,72 $689,61 $696,17 $676,50 $676,50 $676,50 $676,50 $676,50 $ 676,50 $壁厚 (mm)10669,94 $656,83 $663,39 $676,50 $67 $