Black and Galvanized, ERW and Seamless, Carbon Steel, as per API 5L, ASTM A 106 & ASTM A53 – Bapco & Tatweer approved brands such as SUMITOMO, V & M, ARCELOR, TENARIS, TUBOS REUNIDOS, JESCO, etc. Also approved makes of Stainless Steel, Glass Reinforced Plastic (GRP) Pipes, HDPE, PPR & Pre-insulated Pipes as per specified standards.