260 335, 157 236 320 | Lincoln Electric C2.410 specs

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With E7028 Electrode

No. of Passes	1	1	1	1	2	2	3	4
Leg Size – L (in.)	5/32	3/16	1/4	5/16	3/8	1/2	5/8	3/4

Electrode/AWS Class			Jetweld LH-3800 /E7028

Diameter (in.)	5/32	3/16	7/32	7/32	7/32	1/4	1/4	1/4

Current (Amps)	215	260	335	335	335	390	390	390
Polarity	AC	AC	AC	AC	AC	AC	AC	AC
Arc Speed In./Min.(1)	13	12	12.5	10	12	9.5	9.5	8.5
Ft. of Weld/Hr.(2)	65	60	63	50	30	24	15	11
Lbs. of Elec./Ft. of	.112	.157	.236	.320	.483	.819	1.28	1.82

(1)First pass only. On later passes, adjust arc speed to obtain proper bead size.

(2)Total for all passes. 100% operating factor.

Note: E7028 can produce code quality welds. E7028 is recommended for making high speed low cost welds using High-Deposition electrode (high iron powder) techniques, described on pages 11-15.

L

L

Horizontal Fillet Welds

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Lincoln Electric C2.410 manual 260 335, 157 236 320

Contents

Stick Electrode Welding Guide Page Table of Contents Out-Of-Position Welding Vertical and Overhead Welding Procedures Vertical Up Techniques for Fillet and Groove Welds Vertical Down Welds Vertical Up Groove Welds Vertical Up Fillet Welds 160 PolarityWeld Jetweld LH-3800 E7028H8 High-Deposition Welding Wrong End view Side view Corner Welds Groove Welds Groove Welds First PassJetweld 2 E6027 Amps. AC at 14/Min Over E6011 Root Passes Deep Groove Welds Joint a Pass E6011T Plate Size T 14 ga 12 ga 10 ga No. of Passes Leg Size L Flat Fillet WeldsFt. of Weld/Hr Lbs. of Elec./Ft. 049 082 117 162 Weld Horizontal Fillet Welds Welding Inclined Plate Downhill Angle deg Polarity Arc Speed In./Min.3 Lbs. of Elec./Ft.180 Alternate High Speed Welding Sheet MetalPage Edge Welds Lap Welds Fillet Welds Current Amps 110 155 Polarity Diameter PositionCurrent Amps 120 170 Polarity 018 028 Roof Deck Thickness 22 ga 20 ga 18 ga 16 ga Burnthrough Spot Welds Roof Decking to Beam Roof Beam Flange E7018-1 Low Hydrogen Welding Multipass Page Diameter Current Amps 155 Polarity Overhead Groove Welds No. of Pass Leg Size L Overhead Fillet Welds Also see Out-of Position Procedures,Arc Speed In./Min Ft. of Weld/Hr Lbs. of Elec./Ft. No. of Passes Leg Size L Back gouge first bead as needed Plate Size T No. of Passes Horizontal Groove WeldsDiameter Current Amps 230 200 Polarity Arc Speed In./Min Ft. of Weld/Hr Lbs. of Elec./Ft. of Weld 230 200 Polarity Use steel backing as on With E7028 Electrode With E7018 Electrode 275 350132 195 272 409 727 157 236 320 260 335 Ft. of Weld/Hr.2 Lbs. of Elec./Ft. 203 335785 Minimum Preheat and Interpass Temperature1 Out-of-Position Group Stick Electrode Typical Operating Procedures High Speed Group High Deposition Group Low Hydrogen, Low Alloy Steel Group Low Hydrogen Group Fleetweld 5P Shield-Arc Fleetweld 5P+ Fleetweld JetweldFleetweld Fleetweld 35LS Jetweld Shield-Arc 70+ Shield-Arc HYP+ Electric Shock can kill Fumes and Gases can be dangerous For Electrically powered Electric and Magnetic Fields Stick C2.410 12/04