Pipe Nipple: hexagon head nipple,both ends threaded nipple,single end threaded nipple.
Socket/Coupling: SW/BSP & NPT Full coupling,Half coupling
Material: Carbon steel, Stainless steel, Alloy steel.
Reference List: CSPC; Sinopec Group; CNPC; China National Offshore Oil Corporation; BP; L&T shipping building limited; Keppel Corporation; Lukoil.
![Pipe-nippleSocket-Coupling](http://www.cstpiping.com/wp-content/uploads/2020/02/Pipe-nippleSocket-Coupling.png)
Pipe-nippleSocket-Coupling