API 5L GR.B/ASTM A53 GR.B, KELULI KARBON, PAIP KELULI LSAW FOB TIANJIN Diameter Luar 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 9 9 8 9 9 9 ,002 1,002 1,002 Tebal 9.53 986 970 978 955 978 978 978 978 壁厚 (mm) 10 947 931 939 955 978 978 978 9...
Baca lagi