API 5L GR.B/ASTM A53 GR.B, KOOLSTOFSTAAL, LSAW STALEN BUIS EXW TIANJIN Buitendiameter 外径 (mm) USD/TON 406 457 508 609,6 711,1 762 812 863,6 Wand 8 $757.95 $751.20 $757.95 $744.44 $7 44,44 $744,44 $744,44 $744,44 Dikte 9,53 $751,20 $737,69 $744,44 $724,18 $724,18 $724,18 $724...
Lees meer