ASTM A106 vs. ASTM A53 vs. API 5L: Comprehensive Guide …
3. ASTM A53: Welded and Seamless Carbon Steel Pipe. ASTM A53 is a standard specification for both welded and seamless carbon steel pipes. It is suitable for general applications, including plumbing and low-pressure steam, water, and air lines. ASTM A53 Grades. A53 Type F: Furnace-welded pipe with a continuous weld for general use.