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Lincoln ED034845 UltraCore 712A80-H Plus Flux-Cored FCAW-G Welding Wire, 0.045 in, 33 lb Spool

SKU: ED034845
$187.84 $205.92
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UltraCore® 712A80-H Plus from Lincoln Electric is designed to achieve low hydrogen levels for the toughest applications in heavy equipment, offshore, shipbuilding and pressure vessel fabrication.
AWS / Classification: E71T-12M-JH4, E81T1-GM, E71T1-M21A6-CS2-H4
Overview

Innovative design capable of superior toughness at-50°F in both as-welded and stress-relieved conditions

Typical Applications

  • Offshore platforms and pipe systems
  • Oil and gas pipelines
  • Petrochemical pipelines
  • Pressure vessels
  • Bridge fabrication

Welding Positions

  • All

Shielding Gas

  • Mixed Shielding Gas
Specifications
FeatureValue
CONFORMANCES SPECIFICATIONCLASSIFICATION
AWS AWS A5.20 E71T-12M-JH4, E71T-1M-JH4, E71T-9M-JH4
AWS AWS A5.29 E81T1-GM
AWS AWS A5.36 E71T1-M21A6-CS2-H4, E71T1-M21P5-CS2-H4
ABS ABS - Part 2 4YSA H5
CWB CSA W48 E491T1-M21A5-CS2-H4 (E491T-12MJ-H4)
DNV-GL DNV - 2.9 IV YMS H5
LR LR - Chapter 11 4YS H5
Classification Shielding GasPolarityYield Strength @ 0.2% Offset, MPa (ksi)Tensile Strength, MPa (ksi)Elongation, %Charpy V-Notch, J (ft-lbs) @ -40°C (-40°F)Charpy V-Notch, J (ft-lbs) @ -45°C (-50°F)Charpy V-Notch, J (ft-lbs) @ -50°C (-60°F)
E71T-12M-JH4 Requirement 75-80% Ar, balance CO2DC+400 (58) min.480-620 (70-90)22 min.27 (20) min.
E81T1-GM Requirement 75-80% Ar, balance CO2DC+470 (68) min.550-690 (80-100)19 min.
E71T1-M21A6-CS2-H4 Requirement M21-ArCDC+400 (58) min.480-660 (70-95)22 min.27 (20) min.
E71T1-M21P5-CS2-H4 Requirement M21-ArCDC+400 (58) min.480-660 (70-95)22 min.27 (20) min.
Typical Result, As-welded 75% Ar, 25% CO2DC+470-580 (68-84)550-620 (80-90)25-31106-171 (78-126)85-149 (63-110)27-188 (20-139)
Typical Result, 1 hour @ 620°C (1150°F) 75% Ar, 25% CO2DC+420-470 (60-68)520-570 (76-82)29-3343-153 (32-112)
Classification Shielding GasPolarity%B%C%Cr%Cu%Mn%Mo%Ni%P%S%Si%VDiffusible Hydrogen, mL/100g Weld Metal
E71T-12M-JH4 Requirement 75-80% Ar, balance CO2DC+0.12 max.1.60 max.0.03 max.0.03 max.0.90 max.4.0 max.
E71T-1M-JH4 Requirement 75-80% Ar, balance CO2DC+0.12 max.1.75 max.0.03 max.0.03 max.0.90 max.4.0 max.
E71T-9M-JH4 Requirement 75-80% Ar, balance CO2DC+0.12 max.1.75 max.0.03 max.0.03 max.0.90 max.4.0 max.
E81T1-GM Requirement 75-80% Ar, balance CO2DC+Info. Only0.30 min. *0.50 min. *0.20 min. *0.50 min. *0.030 max.0.030 max.1.00 max.0.10 min. *
E71T1-M21A6-CS2-H4 Requirement M21-ArCDC+0.12 max.1.60 max.0.030 max.0.030 max.0.90 max.4 max.
E71T1-M21P5-CS2-H4 Requirement M21-ArCDC+0.12 max.1.60 max.0.030 max.0.030 max.0.90 max.4 max.
Typical Result 75% Ar, 25% CO2DC+0.003-0.0080.05-0.090.05 max.0.04 max.1.30-1.510.01 max.0.02 max.0.020 max.0.013 max.0.38-0.470.005 max.0.7-4
Diameter Shielding GasPolarityCTWD, mm (in.)⁽¹⁾Wire Feed Speed, m/min (in/min)Voltage, voltsApprox. Current, ampsMelt-off Rate, kg/hr (lb/hr)Deposition Rate, kg/hr (lb/hr)Efficiency, %
0.045 in (1.1 mm) 75-80% Ar / balance CO2DC+19-25 (3/4-1)4.4-12.7 (175-500)21-33140-2751.8-5.2 (4.0-11.4)1.6-4.7 (3.5-10.4)84-91
0.052 in (1.3 mm) 75-80% Ar / balance CO2DC+19-25 (3/4-1)3.8-10.2 (150-400)21-33150-3102.0-5.4 (4.5-12.0)1.8-4.7 (3.9-10.4)84-87
1/16 in (1.6 mm) 75-80% Ar / balance CO2DC+19-25 (3/4-1)3.8-8.9 (150-350)22-33200-3652.9-6.7 (6.3-14.7)2.5-5.8 (5.5-12.8)83-87
Note
* To meet the requirements of a "G" classification, the chemical composition of the weld deposit must meet the minimum requirement for one or more of these elements.
⁽¹⁾ To estimate ESO, subtract 1/4 in. (6.0 mm) from CTWD.
LECO Diameter 0.045 in (1.1 mm)
LECO Package 33 lb Spool
Diameter (in) 0.045
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Includes
  • (1) 33 lb Spool
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