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E12018-M is an outstanding electrode designed
for use in applications which require
weld joints with 110 ksi minimum tensile
strength. This electrode provides excellent
puddle control with good wetting action and
tie in. The coating is specially formulated to
resist moisture pick-up under conditions of
high heat and humidity. This electrode offers
resistance to moisture reabsorption which
helps prevent hydrogen cracking and aids
in elimination of starting porosity.
Applications
• Applications requiring 120,000 psi
minimum tensile strength
AWS Specification
AWS A5.5/A5.5M:2006
AWS Classification
E12018-M H4R
Welding Current
DCEP
Welding Position
F,V,OH,H
Typical Wire Chemistry
C 0.10
Mn 1.30 - 2.25
Si 0.60
Cr 0.30 -1.50
Ni 1.75 - 2.50
Mo 0.30 - 0.55
P 0.030
S 0.030
V 0.05
Typical Mechanical Properties
(As Welded)
Yield Strength, ksi 119
Tensile Strength, ksi 110
Elongation%, min 20
Available Diameters
3/32", 1/8", 5/32" & 3/16"
Operating Range in Amps
3/32" 70 - 100
1/8" 115 - 155
5/32" 135 - 185
3/16" 200 - 275
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this alloy >
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