API 5L/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE FOB TIANJIN Taobh a-muigh Trast-thomhas 外 径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Balla 8 1,01,2 1,012 1,012 1,012 Tighead 9.53 1,019 1,004 1,012 988 988 988 988 988 壁 厚 (mm) 10 ...
Leugh tuilleadh