The stainless steel seamless tube is made of round steel.There are many processing technology of round bar seamless tube.It differs from welded tubes in that seamless tubes have no weld across the entire sectionSpecification of stainless steel seamless tube:ASTM A312 / ASME SA312, ASTM A213 / ASME S

At present, industrial stainless steel welded pipe is widely used in the application market of stainless steel at home and abroad. Among them, because of the difference of surface processing technology, the stainless steel industrial welded pipe is mainly divided into two kinds of welded pipe and po