WELDING PROCEDURES

TORNADO TECHNOLOGIES' welding procedures have all been approved and registered with the Alberta Boilers Safety Association- Welding procedures are available for viewing upon request.

TTI-1 This procedure is used for the SMAW process when welding P1 to p1 steels of thicknesses ranging from 1.6 mm to 19.1 mm (0.063 to 0.750 in.).
TTI-2 This procedure is used for the SMAW process when welding P1 to P8 steels of thicknesses ranging from 1.6 mm to 19.1 mm (0.063 to 0.750 in.).
TTI-3 This procedure is used for the GTAW & SMAW processes when welding P1 to P8 steels of thicknesses ranging from 1.6 mm to 12.7 mm (0.063 to 0.500 in.).
TTI-4 This procedure is used for the SMAW process when welding P1 Groups 1 & 2 to P1 Groups 1 & 2 (low temperature service) steels of thicknesses ranging from 3.20 mm to 12.7 mm (0.125 to 0.500 in.).
TTI-5 This procedure is used for the SMAW process when welding P1 Groups 1 & 2 to P8 steels of thicknesses ranging from 2.36 mm to 19.1 mm (0.093 to 0.750 in.).
TTI-6 This procedure is used for the GTAW & SMAW processes when welding P1 Group 2 to P8 steels of thicknesses ranging from 3.2 mm to 12.7 mm (0.125 to 0.500 in.).
TTI-7 This procedure is used for the GMAW, SMAW, & SAW processes when welding P1 to P1 steels of thicknesses ranging from 4.76 mm to 38.1 mm (0.1875 to 1.50 in.).
TTI-8 This procedure is used for the GMAW ,SMAW, & SAW processes when welding P1 to P1 steels of thicknesses ranging from 4.76 mm to 203.2 mm (0.1875 to 8.00 in.). This has a postweld heat treatment procedure included.
TTI-9 This procedure is used for the GMAW & SMAW processes when welding P1 to P8 steels of thicknesses ranging from 1.58 mm to 10.46 mm (0.0625 to 0.412 in.).
TTI-10 This procedure is used for the GMAW & SMAW processes when welding P8 to P8 steels of thicknesses ranging from 1.58 mm to 10.46 mm (0.0625 to 0.412 in.).
TTI-11 This procedure is used for the GMAW & SMAW processes when welding P1 to CAN/CSA-G4O.21 Grade 300W steels of thicknesses ranging from 4.76 mm to 38.1mm (0.188 to 1 .500 in.).
TTI-12 This procedure is used for the GTAW & SMAW processes when welding P8 to P8 steels of thicknesses ranging from 1.6 mm to 19.1 mm (0.062 to 0.75 in.).
TTI-13 This procedure is used for the FCAW process when welding P1 to P1 steels of thicknesses ranging from 4.76 mm to 38.1 mm (0.1875 to 1.50 in.). This has a postweld heat treatment procedure included.
TTI-14 This procedure is used for the FCAW process when welding P1 to P1 steels of thicknesses ranging from 4.7 mm to 203 mm (0.188 to 8.00 in.) This has a postweld heat treatment procedure included.
TTI-15 This procedure is used for the GMAW(P) & SMAW processes when welding P8 to P8 steels of thicknesses ranging from 1.6 mm to 10.5 mm (0.0625 to 0.412 in.)
TTI-16 This procedure is used for the GMAW(P) & SMAW processes when welding P1 to P8 steels of thicknesses ranging from 1.6 mm to 10.5 mm ( 0.0625 to 0.412 in.)

W.P.S. BASE METALS PROCESS POS. FILLER METAL THICKNESS PWHT HARDNESS TESTING IMPACT TESTING
TTI-1
REV.2
P1 to P1 SMAW ALL E6010, E6011, E7018, E7018-1 0.063" - 0.75" NO YES NO
TTI-2
REV.1
P1 to P8 SMAW 1G E309(L)-15, E306(L)-16 0.063" - 0.75" NO YES NO
TTI-3
REV.1
P1 to P8 GTAW & SMAW ALL E309(L), E309(L)-15/16 0.063" - 0.75" NO YES NO
TTI-4
REV.1
P1 to P1 SMAW ALL E6010, E7018-1 0.125" - 0.50" NO YES YES
TTI-5
REV.1
P1 to P8 SMAW ALL E309-15, E309-16 0.093" - 0.75" NO YES YES
TTI-6
REV.1
P1 to P8 GTAW & SMAW ALL E309(L), E309(L)-15/16 0.125" - 0.50" NO YES NO
TTI-7
REV.1
P1 to P1 GMAW, SMAW & SAW 1G ER70S-2/6, E7018-1, F7A-2EM12K 0.1875" - 8.0" NO YES NO
TTI-8
REV.1
P1 to P1 GMAW, SMAW & SAW 1G ER70S-2/6, E6010, E7018-1, F7A-2EM12K 0.185" - 8.0" YES YES NO
TTI-9
REV.1
P1 to P1 GMAW & SMAW ALL ER309, ER309-15/16 0.625" - 0.412" NO YES NO
TTI-10
REV.1
P8 to P8 GMAW & SMAW ALL ER308, ER310, ER316, E308, E310, E316 0.0625" - 0.412" NO YES NO
TTI-11
REV.1
P1 to CAN/CSA G40.21
GR. 300W
SMAW ALL E7018, E7018-1 0.188" - 0.75" NO NO NO
TTI-12
REV.1
P8 to P8 GMAW & SMAW ALL ER308, ER310, ER316, E308, E310, E316 0.0625" - 0.75" NO NO NO
TTI-13
REV.1
P1 to P1 FCAW ALL E71T-1 0.188" - 8.0" NO YES NO
TTI-14
REV.1
P1 to P1 FCAW ALL E71T-1 0.188" - 8.0" YES YES NO
TTI-15
REV.1
P8 to P8 GMAW(P) & SMAW 1G ER308, ER310, ER316, E308, E310, E316 0.0625" - 0.412" NO NO NO
TTI-16
REV.1
P1 to P8 GMAW(P) & SMAW 1G ER309, ER310, E308, E310 0.0625" - 0.412" NO YES NO
TTI-17
REV.1
P1 to P1 SMAW ALL E6010, E7018-1 0.1875" - 8.0" YES YES YES

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