Low Hydrogen Electrodes - (7018 G)

IDENTIFICATION: Printed on ElectrodeCLASSIFICATION:IS:814-04: EB 5326 H2JXAWS/SFA(5.1): E 7018APPROVALS :B.I.S.CHARACTERISTICS:Sundeep 7018 G is a basic Coated all position Ni-alloyed low hydrogen iron powder type electrode specially designed for high impact at sub –zero temperature down to (-) 50 for welding fine grained carbon steel with ac/dc current weld metal is having Radiographic soundness with good mechanical properties. Deposition efficiency is approximately 120%.APPLICATION:Sundeep 7018 G is ideal for: pipe lines Boilers, Pressure Vessels, ammonia storage tank , low alloy steel such as containing 1% nickel welding heavy section joint under restrained and subjected dynamic loading for low temperature applications .CHEMICAL PROPERTIES:Carbon - 0.05 – 0.10%Manganese - 0.80 – 1.38%Silicon - 0.20 – 0.45%Sulphur - 0.03% Max.Phosphors - 0.03% Max.Nickel - 1.00%- 1.20%TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL:Ultimate T. Strength - 540 – 610 N/mm2Yield Strength - 360- 400 N/mm2 Elongation (L=5d) - 24%- 30%Reduction in Area - 60 – 75%Impact value at - 200C - 70 - 100 Joules CURRENT CONDITION :- AC/DC(+)O.C.V. 70