Lincoln Electric UltraCore® 712A80 Flux-Cored Gas-Shielded (FCAW-G), 1/16 in (1.6 mm) | ED031852

Lincoln Electric UltraCore® 712A80 Flux-Cored Gas-Shielded (FCAW-G), 1/16 in (1.6 mm) | ED031852

Lincoln Electric UltraCore® 712A80 Flux-Cored Gas-Shielded (FCAW-G), 1/16 in (1.6 mm) | ED031852

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UltraCore® 712A80

Flux-Cored Gas-Shielded (FCAW-G) | ED031852

1/16 in (1.6 mm)

CLASSIFICATIONS:
E71T-12M-JH8
E71T1-M21A4-CS2-H8

UltraCore® 712A80 is designed for welding with 75 - 80% Argon/balance CO2 shielding gas, UltraCore® 712A80 is an all position, E71T-12 welding wire that provides superior arc characteristics and high impacts in a variety of applications.

DETAILS

UltraCore® 712A80 is specifically optimized for use with high Argon mixed gas. With desirable arc characteristics and operability, UltraCore® 712A80 provides an excellent solution for offshore, tank, pressure vessel fabrication, and other industries looking for an excellent running E71T-12 wire with high impacts to meet a variety of applications. This product is manufactured with steel made and melted in the U.S.A. It complies to Buy America (BA), Buy American (BAA), Build America, Buy America (BABA), and American Iron & Steel (AIS) standards.

Features

  • This product is manufactured with steel made and melted in the U.S.A. It complies to Buy America (BA), Buy American (BAA), Build America, Buy America (BABA), and American Iron & Steel (AIS) standards.
  • Capable of producing weld deposits with impact toughness exceeding 27 J (20 ft·lbf) at -40°C (-40°F)
  • Designed for welding with 75-80% Argon/balance CO2 shielding gas
  • Premium arc performance and bead appearance
  • ProTech® foil bag packaging

CONFORMANCE

CONFORMANCES
AWS
AWS
ABS
CWB
DNV-GL
LR
SPECIFICATION CLASSIFICATION
AWS A5.20 E71T-12M-JH8, E71T-1M-JH8, E71T-9M-JH8
AWS A5.36 E71T1-M21A4-CS2-H8
ABS - Part 2 4YSA H10
CSA W48 E491T1-M21A4-CS1-H8 (E491T-9MJ-H8), E491T1-M21A4-CS2-H8 (E491T-12MJ-H8)
DNV - 2.9 IV YMS H10
LR - Chapter 11 4YS H10

MECHANICAL PROPERTIES

Classification
E71T-12M-JH8 Requirement
E71T-1M-JH8 Requirement
E71T-9M-JH8 Requirement
E71T1-M21A4-CS2-H8 Requirement
Typical Result, As-welded
Shielding Gas Polarity Yield Strength @ 0.2% Offset
MPa (ksi) 		Tensile Strength
MPa (ksi) 		Elongation
% 		Charpy V-Notch
J (ft-lbs) @ -40°C (-40°F)
75-80% Ar, balance CO2 DC+ 400 (58) min. 480-620 (70-90) 22 min. 27 (20) min.
75-80% Ar, balance CO2 DC+ 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
75-80% Ar, balance CO2 DC+ 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
M21-ArC DC+ 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
75% Ar, 25% CO2 DC+ 500-570 (72-82) 570-620 (82-89) 22-29 36-165 (26-122)

DEPOSIT COMPOSITION

Classification
E71T-12M-JH8 Requirement
E71T-1M-JH8 Requirement
E71T-9M-JH8 Requirement
E71T1-M21A4-CS2-H8 Requirement
Typical Result
Shielding Gas Polarity %B %C %Mn %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
75-80% Ar, balance CO2 DC+ 0.12 max. 1.60 max. 0.03 max. 0.03 max. 0.90 max. 8.0 max.
75-80% Ar, balance CO2 DC+ 0.12 max. 1.75 max. 0.03 max. 0.03 max. 0.90 max. 8.0 max.
75-80% Ar, balance CO2 DC+ 0.12 max. 1.75 max. 0.03 max. 0.03 max. 0.90 max. 8.0 max.
M21-ArC DC+ 0.12 max. 1.60 max. 0.030 max. 0.030 max. 0.90 max. 8 max.
75% Ar, 25% CO2 DC+ 0.0038-0.006 0.03-0.06 1.36-1.53 0.015 max. 0.012 max. 0.32-0.36 2-6

TYPICAL OPERATING PROCEDURES

Diameter
0.045 in (1.1 mm)
0.045 in (1.1 mm)
0.045 in (1.1 mm)
0.045 in (1.1 mm)
0.045 in (1.1 mm)
0.045 in (1.1 mm)
0.045 in (1.1 mm)
0.045 in (1.1 mm)
0.045 in (1.1 mm)
0.052 in (1.3 mm)
0.052 in (1.3 mm)
0.052 in (1.3 mm)
0.052 in (1.3 mm)
0.052 in (1.3 mm)
0.052 in (1.3 mm)
0.052 in (1.3 mm)
0.052 in (1.3 mm)
0.052 in (1.3 mm)
1/16 in (1.6 mm)
1/16 in (1.6 mm)
1/16 in (1.6 mm)
1/16 in (1.6 mm)
1/16 in (1.6 mm)
1/16 in (1.6 mm)
1/16 in (1.6 mm)
1/16 in (1.6 mm)
1/16 in (1.6 mm)
Shielding Gas Polarity CTWD
mm (in.)⁽¹⁾ 		Wire Feed Speed
m/min (in/min) 		Voltage
volts 		Approx. Current
amps 		Melt-off Rate
kg/hr (lb/hr) 		Deposition Rate
kg/hr (lb/hr) 		Efficiency
%
75-80% Ar / balance CO2 DC+ 25 (1) 4.4 (175) 20-25 140 1.8 (4.0) 1.6 (3.5) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 5.7 (225) 21-26 150 2.3 (5.1) 2.0 (4.5) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 7.0 (275) 22-27 165 2.8 (6.3) 2.5 (5.5) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 8.3 (325) 22-27 190 3.4 (7.4) 2.9 (6.5) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 8.9 (350) 23-28 205 3.6 (8.0) 3.2 (7.0) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 10.2 (400) 24-29 230 4.1 (9.1) 3.6 (8.0) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 11.4 (450) 25-31 245 4.7 (10.3) 4.1 (9.0) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 12.1 (475) 26-32 265 4.9 (10.8) 4.3 (9.5) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 13.3 (525) 27-33 280 5.4 (12.0) 4.7 (10.4) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 3.8 (150) 20-25 150 2.0 (4.5) 1.8 (3.9) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 4.4 (175) 21-26 165 2.4 (5.2) 2.1 (4.6) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 5.1 (200) 22-27 190 2.7 (6.0) 2.4 (5.2) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 5.7 (225) 23-28 215 3.1 (6.7) 2.7 (5.9) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 6.4 (250) 24-29 235 3.4 (7.5) 2.9 (6.5) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 7.6 (300) 25-30 255 4.1 (9.0) 3.5 (7.8) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 8.3 (325) 27-31 275 4.4 (9.7) 3.8 (8.5) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 8.9 (350) 28-32 295 4.7 (10.5) 4.1 (9.1) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 11.4 (450) 29-34 330 6.1 (13.5) 5.3 (11.7) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 3.8 (150) 21-26 200 2.9 (6.3) 2.5 (5.5) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 4.4 (175) 22-27 215 3.3 (7.4) 2.9 (6.4) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 5.1 (200) 22-28 235 3.8 (8.4) 3.3 (7.3) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 5.7 (225) 24-29 265 4.3 (9.5) 3.7 (8.2) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 6.4 (250) 25-30 285 4.8 (10.5) 4.2 (9.2) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 7.6 (300) 26-31 315 5.7 (12.6) 5.0 (11.0) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 8.3 (325) 27-32 335 6.2 (13.7) 5.4 (11.9) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 8.9 (350) 28-33 365 6.7 (14.7) 5.8 (12.8) 86-88
75-80% Ar / balance CO2 DC+ 25 (1) 10.2 (400) 29-34 415 7.6 (16.8) 6.6 (14.6) 86-88

NOTES

Note
⁽¹⁾ To estimate ESO, subtract 1/4 in. (6.0 mm) from CTWD.

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