new wholesale carbon steel seamless pipe a53b steels Steel Pipe Seamless A106 B A53 B API 5L A333
Two most common types of pipes are welded pipe and seamless pipe. Both are available in carbon steel and stainless steel. Welded pipe is also called ERW (Electric Resistance Welded) pipe. Most common specification for welded carbon steel pipe is A53. Seamless pipe is made by process that requires no welding.