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Alloy Type:

E71T-1/1M-ULTRA is designed for welding 490MPa high tensile steel with both CO2 and Ar/CO2 mixture gas.   This baked wire is a titania type of flux cored wire for all-position welding.  It provides excellent feedability and soft arc, as well as less spatter generation.  E71T-1/1M-ULTRA has very efficient welding due to high deposition rate.

Typical Applications
• Machineries
• Shipbuilding
• Offshore structures
• Bridges and General Fabrication

AWS Specification
AWS A5.20/A5.20M:2005

AWS Classification E71T-1/1M-ULTRA

Welding Current
DCEP (Electrode Positive, Reverse Polarity)

Typical Wire Chemistry
C 0.12
Mn 1.75
Si 0.90
S 0.03
P 0.03

Typical Mechanical Properties
Yield Strength, Mpa >390
Tensile Strength, Mpa 490-670
Elongation%, >22
Impact V-notch (J) >27 (-20oC)

If 100% CO2 is being used, the welding voltage should be increased by 1-2V to ensure the right arc length.

Welding Positions All positions

Available Diameters and suggested
Operating Range in Amps
.035″ 100 – 240
.045″ 120-300

1/16″ 180-400

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