API 5L GR.B/ASTM A53 GR.B, AÇO CARBONO, TUBO DE AÇO LSAW EXW TIANJINODiâmetro externo 外径 (mm)USD/TON406457508609.6711.1762812863.6Parede 8$757,95$751,20$757,95$744,44$744,4 4$744,44$744,44$744,44Espessura 9,53$751,20$737,69$744,44$724,18$724,18$724,18$724,18 $ 724,18 壁厚 (mm) 10 $ 717,42 $ 703,91 $ 710,67 $ 724,18 $ 72