Lincoln Electric D1.8 manual Heat Input Limits for Demand Critical Welds cont’d

D1.8 Seismic Supplement Welding Manual

23

TABLE 3: HEAT INPUT LIMITS FOR DEMAND CRITICAL WELDS (cont’d)

.

Product Name

Diameters . Available (in)

High Heat Input mm(in.) avg.

Low Heat Input mm (in.) avg.

Exposure Time @. 80°F / 80% Relative Humidity

Filler Metal with 70 ksi Minimum Tensile Strength Requirement per AWS
SuperArc® L-56	0.025
AWS ER70S-6	0.030
	0.035
	0.040
	0.045		No heat input testing required
	0.052
	1/16
SuperArc® L-59	0.035
AWS ER70S-6	0.040
	0.045
	0.052
	1/16
Lincolnweld® 960/L-61	1/8	65	32	—
AWS F7A2-EM12K
Filler Metal with 80 ksi Minimum Tensile Strength Requirement per AWS
Excalibur® 8018-C3	3/32
AWS 8018-C3 MR	1/8
	5/32		No heat input testing required
	3/16
	7/32
	1/4
UltraCore® 81Ni1A75-H	0.045	80	30	16 Weeks
AWS E81T1-Ni1M-H4	0.052	78	30
	1/16	74	30
UltraCore® 81Ni1C-H	0.045	74	31	16 Weeks
AWS E81T1-Ni1C-H4	0.052	80	30
	1/16	78	29
SuperArc® LA-75	0.035
AWS ER80S-Ni1	0.045
SuperArc® LA-90	0.035
AWS ER80S-D2, ER90S-D2	0.045
	0.052
	1/16
			No heat input testing required
Pipeliner® 70S-G	0.045
AWS ER70S-G
Pipeliner® 80S-G	0.045
AWS ER80S-G
Pipeliner® 80Ni1	0.040
AWS ER80S-G	0.047
Lincolnweld® 960/LA-85	1/8	65	32	—
AWS F8A2-ENi5-G

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