API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE EXW N'èzí dayameta 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 ,08 108 108 Wall ,072 1,072 1,072 1,072 Ịdị arọ 9.53 1,080 1,064 1,072 1,048 1,048 1,048 1,048 1,048 壁厚 (mm) 10 1,041 1,025 1...
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