API 5L/ASTM A53 GR.B, OGLJIKOVO JEKLO, JEKLENA CEV LSAW FOB TIANJIN Zunanji premer 外径 (mm) USD/TONA 406 457 508 609,6 711,1 762 812 863,6 Stena 8 1.081 1.058 1.066 1.050 1, 050 1,050 1,050 1,050 Debelina 9,53 1,074 1,043 1,050 1,027 1,027 1,027 1,027 1,027 壁厚 (mm) 10 1,035 1,00...
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