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22 D1.8 Seismic Supplement Welding Manual
www.lincolnelectric.com
Exposure Testing:
Lincoln Electric Approved Filler Metal per AWS D1.8/D1.8M:2009, Subclause 6.1.3
TABLE 3: HEAT INPUT LIMITS FOR DEMAND CRITICAL WELDS
Product Name
Diameters
Available
High Heat Input
inches avg.
Low Heat Input
inches avg.
Exposure Time @
80°F / 80% Relative Humidity
Filler Metal with 70 ksi Minimum Tensile Strength Requirement per AWS
Excalibur
®
7018 MR
AWS E7018 H4R
3/32
1/8
5/32
3/16
7/32
1/4
No heat input testing required
Excalibur
®
7018-1 MR
AWS E7018-1 H4R
Innershield
®
NR-232
AWS E71T-8
0.068 74 29
1 Week
0.072 73 31
5/64 76 32
Innershield
®
NR-233
AWS E71T-8
1/16 74 33 8 Weeks
0.072 67 31
5/64 86 32 1 Week
Innershield
®
NR-305
AWS E70T-6
3/32 64 37 1 Week
Innershield
®
NR-311 Ni
AWS E70T7-K2
3/32 80 45
—
Outershield
®
71 Elite
AWS E71T-1C-H8, E71T-9C-H8
1/16 65 30 8 Weeks
UltraCore
®
70C
AWS E70T-1C-H8, E70T-9C-H8
1/16 79 32
8 Weeks
3/32 80 38
5/64 80 32
UltraCore
®
71C
AWS E71T-1C-H8, E71T-9C-H8
0.045 80 31 8 Weeks
0.052 81 28
—
1/16 82 28 8 Weeks
UltraCore
®
71A85
AWS E71T-1M-H8, E71T-9M-H8
0.045 82 28
8 Weeks
0.052 81 31
1/16 81 28
Metalshield
®
MC-706
AWS E70C-6M-H4
0.045 62 34 72 Hours
1/16 61 34
SuperArc
®
L-50
AWS ER70S-3
0.030
0.035
0.045
0.052
1/16
No heat input testing required No heat input testing required