1. Butt Fusion This method involves heating the ends of the pipe segments until they are softened and then bringing them together under pressure to form a reliable bond as the materials cool down. This process is well-regarded for producing high-strength joints suitable for a wide range of applications.
5. Pickling After annealing, the strips may be pickled to remove any oxide scale or impurities formed during the annealing process. This typically involves dipping the steel strips in a solution of hydrochloric or sulfuric acid.
