API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE EXW Diameter sa Labas 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 ,108 ,108 ,108 ,108 ,108 64 1,064 1,064 1,064 Kapal 9.53 1,072 1,056 1,064 1,041 1,041 1,041 1,041 1,041 壁厚 (mm) 10 1,033 1,017 1...
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