ASTM A53 Grade B Carbon Steel Seamless Pipe
ASTM A53 grade b schedule 40 is one of the medium schedule light wall pipes of the A53 specification. The pipes are made in two grades, A and B. The ASTM A53 grade b pipe suppliers produce the pipes in three different types, F, E and S. The F type pipes are furnace welded, the E type is electric resistance welded and the S type is seamless.