SSAW Round yeeb nkab: 219mm txog 2020mmNtev: feem ntau 5.8m lossis 6m lossis 12mCHS Steel Pipe Standard: ASTM A53, ASTM A106, API 5L, ASTM A252Daim ntawv thov: Kua, dej, roj, roj, kab yeeb nkab, Yeeb Nkab Pile