API 5L GR.B/ASTM A53 GR.B, KARBON ÇELİK, LSAW ÇELİK BORU EXW TIANJIN Dış Çap 外径 (mm) USD/TON 406 457 508 609,6 711,1 762 812 863,6 Duvar 8 $757,95 $751,20 $757,95 $744 0,44 $744,44 $744,44 $744,44 $744,44 Kalınlık 9,53 $751,20 $737,69 $744,44 $724,18 $724,18 $724,18 $724...
Devamını oku