Fabrication
 
Butt Weld
 
Socket Weld
 
Threaded
 
 
 
 
 
 
 
 
 
 


 
Butt Weld
 
Fitting Straight Run Pipe ( Double Joint )
 

 

 
 
 

Right

Wrong
 
 
Fitting 90 deg. ELL
 

 
 
 
Fitting 45 deg. ELL
 
 

 
 
Fitting Straight Tee