Alloy
C
Si
Mn
Cr
Ni
Other
TG-X308L
0.018
0.80
1.66
19.62
10.31
-
TG-X309L
0.017
0.81
1.52
24.26
12.62
TG-X316L
0.016
0.87
1.55
18.89
12.47
Mo: 2.32
TG-X347
0.020
1.60
19.09
10.21
Nb: 0.68
0.2%P.S
(psi)
T.S
Elongation
(%)
Impact Value at 32 °F
(ft-lbs)
65,250
92,800
47
94
76,850
98,600
32
80
63,800
87,000
38
88
66,700
91,350
48
Requirements
Filler rod
TGX
Conventional
Pipe dia. (in.)
2
12
Root gap (in.)
5/64
1/16
7/64
3/32
Method of back shielding
Local (12in.)
Entire (236in.)
Time (minute)
Pre-purging
0.2
4.0
5.2
104.0
Setting of jigs
10.0
Welding
6.0
35.0
30.0
Total
15.4
9.2
45.2
134.0
Amount of Gas (ft3/hr)
3.3
4.3
86.3
Back-shielding
1.5
8.5
Shield in welding
1.6
1.4
9.3
7.9
3.1
6.2
20.7
102.7
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