E7018-A1
AWS A5.5 Class E7018-A1 (Weld deposit also meets the requirements of AWS A5.5 Class E7015-A1 and E7016-A1
7018-A1 is an iron powder, low hydrogen electrode designed for welding low alloy, high tensile steel of 65,000 psi minimum yield strength and containing 1/2% Mo. This electrode offers the welder high deposition efficiency and produces a weld deposit with fine bead appearance, easily removable slag, low spatter and medium penetration. 7018- A1 weld metal solidifies rather rapidly, making this electrode suitable for out of position welding.
Applications:
USA 7018-A1 is typically used for the fabrication of carbon-molybdenum pipes, pressure vessels, boilers and tubing containing 1/2% Mo.
TYPICAL WELD METAL CHEMISTRY %
C | 0.060 |
Mn | 0.720 |
Mo | 0.530 |
Si | 0.490 |
P | 0.012 |
S | 0.010 |
TYPICAL MECHANICAL PROPERTIES OF WELD DEPOSIT
(as welded)
Yield strength (psi) | 86,000 psi |
Tensile Strength (psi) | 98,000 psi |
% Elongation in 2" | 28 |