API 5L GR.B/ASTM A53 GR.B (UMbhobho OWUSIWE WE-ERW OLUTSHILEYO) Ngaphandle kweDayamitha yokutyeba kodonga EXW ngaphandle kweDayamitha yokutyeba kweDonga EXW 外径 (mm) 壁厚 (mm) 出厂价 USD/TON 外外径(mm) 出厂价 USD/TON 245, 273 5.0-9.28 $598.10 450, 457, 508, 530 6.5-11.98 $630.88 9.45-9.98 $600.72...
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