E7018 – Low Hydrogen / High Tensile – Welding Electrode – 12″ x 3/32″ (5 LB)

E7018 LOW HYDROGEN – HIGH TENSILE ELECTRODE AWS A5.1 Welding Positions: All, Except Vertical Down AC & DC+ (reverse polarity) INTRODUCTION: Basic coated, reduced hydrogen stick electrode. Can be welded in any position except vertical down. Good slag removal characteristics, low spatter tendency. Very good ignition characteristics. Excellent for positional welding. Very good mechanical quality values. CTOD tested welding material. Hydrogen content under 5% APPLICATIONS: Power generation, Petrochemical, Pressure vessels, Pressure piping, Mild steel WELDING PARAMETERS: Polarity Current (Amps) 3/32" (2.4 mm) 1/8" (3.2 mm) 5/32" (4.0 mm) 3/16 in (4.8 mm) AC 80-120 100-160 140-210 200-300 DC+ 70-110 90-160 130-210 180-300 CHEMICAL COMPOSITION (%): Chemical Composition C Mn Si S P Requirement ?0.15 ?1.60 ?0.90 ?0.035 ?0.035 Typical test result 0.077 1.07 0.54 0.005 0.014 Chemical Composition Ni Cr Mo V Requirement ?0.30 ?0.20 ?0.30 ?0.08 Typical test result 0.011 0.028 0.007 0.016 MECHANICAL PROPERTIES OF DEPOSITED METAL: Test Item Rm (N/mm2) Rel (N/mm2) A (%) KV2(J) 0? Requirement ?490 ?400 ?20 ?27 Typical test result 550 455 32 156 The above parameters are for reference purpose and depend on diverse factors. Run tests, evaluate and set your welding parameters before starting the welding job.

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