Hunan Steel Industrial Zone, No.9 Xiangfu Road, Yuhua District, Changsha, China
ASTM A53 (ASME SA53) carbon steel pipe is a specification that covers seamless steel pipe, welded steel pipe, black steel pipe and hot-dipped galvanized steel pipe in NPS 1/8" to NPS 26. ASTM A 53 is intended for pressure and mechanical applications and is also acceptable for ordinary uses in steam, water, gas, and air lines.
ASTM A53 pipe comes in three types (F, E, S) and two grades (A, B).
ASTM A53 Type F is manufactured with a furnace butt weld or may have a continuous weld (Grade A only)
ASTM A53 Type E has an electric resistance weld (Grades A and B)
ASTM A53 Type S is a seamless steel pipe and found in Grades A and B)
ASTM A53 Grade B Seamless is the most polar product under this specification and A53 pipe is commonly dual certified to A106 B Seamless steel pipe.