Stainless Steel Socket Weld Fittings

A Socket Weld Fitting works by inserting one Pipe into a specially designed fitting with a recessed socket. A fillet weld is then created around the outside of the fitting, forming a secure, high-pressure joint. These are ideal for hazardous or high-temperature applications where leak integrity is crucial.  

  • Stirlings stocks a range of Socket Weld Fittings, incuding Union, 90 Degree Elbow, 45 Degree Elbow, Full Coupling, Tee and Cap Fittings.

  • Reducing Socket Weld Fitting products include Reducing Couple, Reducing Insert and Reducing Tee Fittings. 

  • Socket Weld Fittings are stocked in Austenitic Grade 304/L, 316/L and Duplex 2205, manufactured to ASTM A182 ASME B.16.11. Socket Weld connections have a 3000LB pressure rating. 

  • Stirlings stocks Socket Weld Fittings in sizes from ½ inch (15mm) to 2 inch (50mm) and Reducing Socket Weld Fittings from ¾ x ½ inch (20mm x 15mm) to 2 x 1 ½ inches (50mm to 40mm). Everything currently in stock is specified in the tables below.   

  • Anything not currently in stock/Market Available can be obtained via indent. 

● Stocked Item ○ Market Available

Imp mm Union Union 90 Deg Elbow 90 Deg Elbow 90 Deg Elbow 45 Deg Elbow 45 Deg Elbow
    304 316 304 316 2205 304 316
  Code FSU304 FSU316 FSE9304 FSE9316 FSE92205 FSE4304 FSE4316
1/2 15 ● ● ● ● ● ● ●
3/4 20 ● ● ● ● ● ● ●
1 25 ● ● ● ● ● ● ●
1-1/4 32 ● ● ● ● ● ● ●
1-1/2 40 ● ● ● ● ● ● ●
2 50 ● ● ● ● ● ● ●

 

Imp mm Full Coupling Full Coupling Tee Tee Tee Cap Cap
    304 316 304 316 2205 304 316
  Code FSCF304 FSCF316 FSTE304 FSTE316 FSTE2205 FSCR304 FSCR316
1/2 15 ● ● ● ● ● ● ●
3/4 20 ● ● ● ● ● ● ●
1 25 ● ● ● ● ● ● ●
1-1/4 32 ● ● ● ● ○ ● ●
1-1/2 40 ● ● ● ● ● ● ●
2 50 ● ● ● ● ● ● ●

 

 

Imp mm Reducing Couple Reducing Insert Reducing Tee Reducing Tee Reducing Tee
    316 316 304 316 2205
    FSCRE FSRI316 FSTR304 FSTR316 FSTR2205
3/4 x 1/2 20x15 ● ● ● ● ●
1 x 1/2 25x15 ● ● ● ● ●
1 x 3/4 25x20 ● ● ● ● ●
1-1/4 x 1/2 32x15 ● ○ ○ ○ ○
1-1/4 x 3/4 32x20 ● ○ ● ● ●
1-1/4 x 1 32x25 ● ● ● ● ●
1-1/2 x 1/2 40x15 ● ● ○ ○ ○
1-1/2 x 3/4 40x20 ● ● ○ ○ ○
1-1/2 x 1 40x25 ● ● ● ● ●
1-1/2 x 1-1/4 40x32 ● ● ● ● ●
2 x 1/2 50x15 ● ● ○ ○ ○
2 x 3/4 50x20 ● ○ ○ ○ ○
2 x 1 50x25 ● ● ○ ○ ○
2 x 1-1/4 50x32 ● ● ● ● ●
2 x 1-1/2 50x40 ● ● ● ● ●