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Weld Fitting Resources

Weld Fitting Resources

Machine Specialty & Manufacturing stocks a large variety of high pressure heavy wall weld fittings as well as ANSI class fittings.



Fitting Materials

For a full listing of fitting materials please see ASTM B16.5 Table 1A – List of Material Specifications.


  • 4130
  • 4140
  • A234 WPB/C
  • A105
  • A350 Gr.LF2
  • A420 WPL-6
  • WPH Y42, Y52, Y60

Fitting Types

Reducing Flanged Fittings

Reducing Tees

Reducing on Outlet
Reducing on Run
Reducing on One Run & Outlet

Reducing Crosses

Reducing on One Outlet
Reducing on Both Outlets
Reducing on One Run and Outlet
Reducing on One Run and Both Outlets

Reducing Laterals

Reducing on Branch
Reducing on One Run
Reducing on One Run and Branch
True Y
Side Outlet Tee
Double Branch Elblow
Side Outlet Elbow