Cangzhou Botop imaze imyaka ibarirwa muri za mirongo ikora cyane mu bijyanye n'imiyoboro y'ibyuma, ubu dushobora gukoraumuyoboro w'icyuma udakoraifite umurambararo wa mm 13.7-762 n'ubugari bw'urukuta bwa mm 2-80.Umuyoboro w'icyuma wa ERWifite umurambararo wa mm 26.7-660, ubugari bw'urukuta ni mm 1.5-16. Byongeye kandi, dushobora gutanga imiyoboro y'icyuma idakora neza y'ingano zitandukanye mu bubiko kugira ngo dufashe abakiriya gukemura ibibazo bitandukanye byihutirwa.
Igicuruzwa cya mbere ni umuyoboro w'icyuma udakora woherezwa muri UAE. Umusaruro w'umukiriya utumijwe niASTM A106 GR.B, ibipimo ni 168 * 10.97 * 8000 mm, 33.4 * 6.35 * 8300 mm na 33.4 * 4.55 * 8307 mm.
Amabwiriza ya kabiri niUmuyoboro w'icyuma wa ERWyoherejwe mu Burasirazuba bw'Abarabu.Igipimo ngenderwaho cy'ibicuruzwa niASTM A53 GR.B.Uburyo bwo gupima ni 219.1 * 8.18 * 12000 mm, 273 * 9.27 * 12000 mm.
Igihe cyo kohereza: 31 Nyakanga-2023