ASTM A106 VS ASTM 53 seamless carbon steel pipes
2. A106-B contains manganese 0.29-1.06%, where A53-B 1.2%. 3. A106-B contains low sulfur and phosphorus, max. 0.035% where A53-B contains 0.05 and 0.045% respectively. ASTM A53 is Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless. ASTM A106 is Standard Specification for Seamless Carbon …