1.Spiral steel pipes 2.Standard: ASTM A252, SY/T5040, API 5L, EN10219, ... , X52, X60, X70, X80, S235JRH3.Usage: for line pipe in petroleum and natural gas, water and gas, mineral slurry4.Also for ... requirements7.HS: 73041990008. High quality and service LSAW / SSAW/ERW Steel Pipes and Tubes