API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPEEXWOutside Diameter 外径 (mm)USD/TON406457508609.6711.1762812863.6Wall 81,088 1,080 1,088 1,072 1,072 1,072 1,072 1,072 Thickness 9.531,080 1,064 1,072 1,048 1,048 1,048 1,048 1,048 壁厚 (mm)101,041 1,025 1,033 1,048 1,048 1,048 1,048 1,048 121,041