Lincoln Electric D1.8 manual Exposure Testing, Heat Input Limits for Demand Critical Welds

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D1.8 Seismic Supplement Welding Manual

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

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

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