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E81T1-Ni1

AWS A5.29 CLASS E 81T1-Ni1

E81T1-Ni1 is a titania slag formulation flux cored wire for single or multi-pass flat or fillet welds on medium and heavy thickness 1% nickel steel plate used in petro-chemical construction, mining and earth-moving equipment, and for weathering steels where color-match is not required.  E81T1-Ni1 is noted for its high disposition rates, low spatter generation, ease of slag removal, and excellent weld bead appearance. The shield gas recommended is 100% CO2.

Applications:
E81T1-Ni is used extensively in the fabrication, erection, and repair of structural fabrication of higher strength. Steels having a 70,000-80,000 psi tensile strength. The weld metal analysis of the deposit is similar to E8018-C3 low hydrogen electrodes. The weld deposits are smooth and have deep penetration. E81T1-Ni1 is noted for its smooth arc and minimum spatter. When used for horizontal fillet joints the weld bead has

TYPICAL WELD METAL CHEMISTRY (%)

-

E81TT1-Ni1

C

0.145

Mn

1.17

Si

0.35

Ni

1.00

Mo

0.22

P

0.014

S

0.011

TYPICAL MECHANICAL PROPERTIES OF WELD DEPOSIT
(As welded)

-

E81TT1-Ni1

Yield Strength (psi)

82,000

Ultimate Tensile Strength (psi)

91,000

Elongation in 2" (%)

21%

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