Which category of piping is notable for not having any seams?

Seamless piping is distinct from other types of piping because it is manufactured without any joints or seams. This is achieved through processes like extrusion or rotary piercing, where the metal is continuously formed into a pipe shape without creating any welded seams. This characteristic makes seamless piping particularly strong and resistant to pressure, which is why it is commonly used in high-pressure applications and industries where structural integrity is critical.

In contrast, welded piping involves joining two pieces of material together, which introduces seams that can be potential points of weakness. Threaded piping, while easily assembled and disassembled, also features joints that can leak under certain conditions. Commercial piping might include a variety of different types of construction techniques and materials, but does not specifically denote a lack of seams.

The absence of seams in seamless piping contributes to its overall reliability and durability in demanding environments, making it the ideal choice for applications requiring high strength and safety.