API 5L GR.B/ASTM A53 GR.B (Pìoba STEEL STEEL ERW Leudaichte teth) Tighead balla taobh a-muigh trast-thomhas EXW Taobh a-muigh trast-thomhas balla tiugh EXW 外 径 (mm) 壁 厚 (mm) 出厂 价 USD/TON 外径 (mm) 壁(mm) 出 厂 价 USD/TON 245, 273 5.0-9.28 $598.10 450, 457, 508, 530 6.5-11.98 $630.88 9.45-9.98 $600.72..
Leugh tuilleadh