API 5L/ASTM A53 GR.B, KARBON STEEL, LSAW STEEL BORU FOB TIANJIN Xarici Diametri 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 861.601, Divar 1,067 1,067 1,067 1,067 Qalınlıq 9,53 1,075 1,059 1,067 1,043 1,043 1,043 1,043 1,043 壁厚 (mm) 10 1,035 1,01...
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