API 5L GR.B/ASTM A53 GR.B, KARBON STEEL, LSAW STEEL BORU EXW Xarici Diametr 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.601, Divar 863.601 8601 1,064 1,064 1,064 1,064 Qalınlıq 9,53 1,072 1,056 1,064 1,041 1,041 1,041 1,041 1,041 壁厚 (...
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