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 1,074 1,066 1,074 1,058 1,0 58 1.058 1.058 1.058 Debelina 9,53 1.066 1.050 1.058 1,035 1,035 1,035 1,035 1,035 壁厚 (mm) 10 1,027 1,01...
Preberi več