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IDENTIFICATION: Printed on Electrode
CLASSIFICATION:
IS:814-04: EB 5326 H2JX
AWS/SFA(5.1): E 7018
APPROVALS :
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/mm2
Yield 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
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