... ,BS,GB,ISO material:API 5L, A53,A106,A333 GR6,Q235,Q345 API tube SSAW (Spiral Submerged ... -arc Welded) Quality standard: API 5L Gas and petroleum ... Lining according to AWWA C-205, BS534 Joint details: Welded joint: The most widely used type for the ... in compliance with the relevant stanards.Spherical socket joint: provides the possibility of a rotation 10 ...