Tecnituberias is a steel pipe importer and distributor located in Bogotá, Colombia. They supply line pipe, tubing, and casing made of carbon steel and according to standards like ASTM A500, ASTM A53, and API 5L, in various grades and sizes ranging from 1/8" to 3 1/2" diameter. The document provides specifications for the pipes including nominal diameter, wall thickness, and weight. Contact information is given at the bottom.