SSAW Round chitoliro: 219mm kuti 2020mmUtali: kawirikawiri 5.8m kapena 6m kapena 12mCHS Steel Pipe Standard: ASTM A53, ASTM A106, API 5L, ASTM A252Kugwiritsa ntchito: Madzi, madzi, gasi, mafuta, chitoliro chamzere, Mulu wa Chitoliro