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Lincoln ED034861 UltraCore 81K2M-H Plus Flux-Cored FCAW-G Welding Wire, 0.045 in, 33 lb Spool

SKU: ED034861
$224.53 $275.22
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UltraCore® 81K2M-H Plus from Lincoln Electric is capable of superior toughness at-60°F
AWS / Classification: E81T1-K2M-JH4, E81T1-M21A6-K2-H4
Overview

Innovative design capable of superior toughness at-60°F

Specifications
FeatureValue
CONFORMANCES SPECIFICATIONCLASSIFICATION
AWS AWS A5.29 E81T1-K2M-JH4
AWS AWS A5.36 E81T1-M21A6-K2-H4, E81T1-M21P4-K2-H4
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) @ -50°C (-60°F)
E81T1-K2M-JH4 Requirement 75-80% Ar, balance CO2DC+470 (68) min.550-690 (80-100)19 min.27 (20) min.
E81T1-M21A6-K2-H4 Requirement M21-ArCDC+470 (68) min.550-690 (80-100)19 min.27 (20) min.
E81T1-M21P4-K2-H4 Requirement M21-ArCDC+470 (68) min.550-690 (80-100)19 min.27 (20) min.
Typical Result, As-welded 75% Ar, 25% CO2DC+480-610 (70-88)570-670 (82-98)19-2887-115 (64-85)53-141 (39-104)
Typical Result, 1 hour @ 620°C (1150°F) 75% Ar, 25% CO2DC+470-560 (69-82)580-650 (84-94)23-2857-110 (42-81)
Classification Shielding GasPolarity%B%C%Cr%Mn%Mo%Ni%P%S%Si%VDiffusible Hydrogen, mL/100g Weld Metal
E81T1-K2M-JH4 Requirement 75-80% Ar, balance CO2DC+0.15 max.0.15 max.0.50 - 1.750.35 max.1.00 - 2.000.030 max.0.030 max.0.80 max.0.05 max.4.0 max.
E81T1-M21A6-K2-H4 Requirement M21-ArCDC+0.15 max.0.15 max.0.50 - 1.750.35 max.1.00 - 2.000.030 max.0.030 max.0.80 max.0.05 max.4 max.
E81T1-M21P4-K2-H4 Requirement M21-ArCDC+0.15 max.0.15 max.0.50 - 1.750.35 max.1.00 - 2.000.030 max.0.030 max.0.80 max.0.05 max.4 max.
Typical Result 75% Ar, 25% CO2DC+0.004-0.0070.05-0.070.05 max.1.16-1.360.02 max.1.40-1.660.015 max.0.011 max.0.37-0.470.005 max.1.6-4
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% Ar, 25% CO2DC+19 (3/4)4.4 (175)24 - 281201.8 (3.9)1.5 (3.4)85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2DC+19 (3/4)6.4 (250)25 - 291402.5 (5.6)2.2 (4.8)85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2DC+19 (3/4)7.6 (300)26 - 301553.1 (6.8)2.6 (5.8)85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2DC+19 (3/4)8.9 (350)27 - 311703.6 (7.9)3.1 (6.8)85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2DC+25 (1)10.2 (400)28 - 321854.1 (9.0)3.5 (7.8)85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2DC+25 (1)11.4 (450)28 - 322004.6 (10.1)4.0 (8.8)85-87
0.045 in (1.1 mm) 75% Ar, 25% CO2DC+25 (1)12.7 (500)29 - 332205.1 (11.3)4.4 (9.8)85-87
0.052 in (1.3 mm) 75% Ar, 25% CO2DC+19 (3/4)3.8 (150)24 - 281502.1 (4.7)1.7 (3.8)81-84
0.052 in (1.3 mm) 75% Ar, 25% CO2DC+19 (3/4)5.1 (200)25 - 291702.9 (6.3)2.4 (5.2)81-84
0.052 in (1.3 mm) 75% Ar, 25% CO2DC+19 (3/4)6.4 (250)26 - 301953.5 (7.8)3.0 (6.5)81-84
0.052 in (1.3 mm) 75% Ar, 25% CO2DC+25 (1)7.6 (300)27 - 312154.3 (9.4)3.6 (7.9)81-84
0.052 in (1.3 mm) 75% Ar, 25% CO2DC+25 (1)8.9 (350)28 - 322405.0 (11.0)4.2 (9.2)81-84
1/16 in (1.6 mm) 75% Ar, 25% CO2DC+19 (3/4)3.8 (150)25 - 291902.9 (6.4)2.4 (5.3)83-87
1/16 in (1.6 mm) 75% Ar, 25% CO2DC+19 (3/4)4.4 (175)25 - 292053.4 (7.5)2.9 (6.3)83-87
1/16 in (1.6 mm) 75% Ar, 25% CO2DC+19 (3/4)5.1 (200)26 - 302203.9 (8.5)3.3 (7.2)83-87
1/16 in (1.6 mm) 75% Ar, 25% CO2DC+19 (3/4)5.7 (225)26 - 302304.4 (9.6)3.7 (8.1)83-87
1/16 in (1.6 mm) 75% Ar, 25% CO2DC+19 (3/4)6.4 (250)27 - 312454.8 (10.6)4.1 (9.1)83-87
1/16 in (1.6 mm) 75% Ar, 25% CO2DC+25 (1)7.6 (300)27 - 312755.8 (12.7)4.9 (10.9)83-87
1/16 in (1.6 mm) 75% Ar, 25% CO2DC+25 (1)8.3 (325)28 - 322906.3 (13.8)5.4 (11.9)83-87
1/16 in (1.6 mm) 75% Ar, 25% CO2DC+25 (1)8.9 (350)28 - 323006.7 (14.8)5.8 (12.8)83-87
Note
⁽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
Includes
  • (1) 33 lb Spool
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