API STANDARD 1104

Reference: API Standard 1104, 5.2

PROCEDURE SPECIFICATION NO. __________

For _________________________________________ Welding of ________________________________________ Pipe and fittings Process _____________________________________________________________________________________________________Material _____________________________________________________________________________________________________

Diameter and wall thickness ______________________________________________________________________________________

Joint design __________________________________________________________________________________________________

Filler metal and no. of beads _____________________________________________________________________________________

Electrical or flame characteristics __________________________________________________________________________________

Position _____________________________________________________________________________________________________

Direction of welding ____________________________________________________________________________________________

No. of welders ________________________________________________________________________________________________

Time lapse between passes _____________________________________________________________________________________

Type and removal of lineup clamp _________________________________________________________________________________

Cleaning and/or grinding ________________________________________________________________________________________

Preheat/stress relief ____________________________________________________________________________________________

Shielding gas and flow rate ______________________________________________________________________________________

Shielding flux _________________________________________________________________________________________________

Speed of travel ________________________________________________________________________________________________

Plasma gas composition _______________________ Plasma gas flow rate _______________________________________________

Plasma gas orifice size _________________________________________________________________________________________

Sketches and tabulations attached ________________________________________________________________________________

Tested ________________________________________Welder ________________________________________________

Approved ______________________________________Welding supervisor ______________________________________

Adopted _______________________________________Chief engineer __________________________________________

1/16" (1.6 mm)

1/32" 1/16" (0.8 1.6 mm)

T

Approximately 1/16" (1.6 mm)1/16" 1/32" (1.6 mm 0.8 mm)

Standard V-Bevel Butt Joint

5Approximately 1/8"

(3 mm)

4

3

T

2

1

Sequence of Beads

Note: Dimensions are for example only.

ELECTRODE SIZE AND NUMBER OF BEADS

ElectrodeAmperage

Size andand

Bead NumberTypeVoltagePolaritySpeed

Figure 1Sample Procedure Specification Form