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UltraCore, 33 LB fiber spool

Diameters / Packaging

Diameters
 33 lb Spool
 50 lb Spool
0.045 in (1.1 mm) ED031675 ED031850
0.052 in (1.3 mm) ED031676
1/16 in (1.6 mm) ED031677 ED031852

UltraCore® 712A80 Flux-cored (FCAW-G) Wire

Flux-Cored Gas-Shielded (FCAW-G) | ED031676

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

UltraCore® 712A80 is Lincoln Electric's best running E71T-12 product because of its superior arc characteristics and high impacts in a variety of applications.

Diameter

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  • 0.045 in (1.1 mm)
  • 0.052 in (1.3 mm)
  • 1/16 in (1.6 mm)

Package

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  • 33 lb Spool

DETAILS

Our best running E71T-12 product because of its superior arc characteristics and high impacts in a variety of applications, including offshore, tank and pressure vessel fabrication.

Features

  • 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

Service Information

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BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

CONFORMANCE

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

MECHANICAL PROPERTIES

Classification 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)
E71T-12M-JH8 Requirement 75-80% Ar, balance CO2 DC+ 400 (58) min. 480-620 (70-90) 22 min. 27 (20) min.
E71T-1M-JH8 Requirement 75-80% Ar, balance CO2 DC+ 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
E71T-9M-JH8 Requirement 75-80% Ar, balance CO2 DC+ 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
E71T1-M21A4-CS2-H8 Requirement M21-ArC DC+ 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
Typical Result, As-welded 75% Ar, 25% CO2 DC+ 500-570 (72-82) 570-620 (82-89) 22-29 36-165 (26-122)

DEPOSIT COMPOSITION

Classification Shielding Gas Polarity %B %C %Mn %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
E71T-12M-JH8 Requirement 75-80% Ar, balance CO2 DC+ 0.12 max. 1.60 max. 0.03 max. 0.03 max. 0.90 max. 8.0 max.
E71T-1M-JH8 Requirement 75-80% Ar, balance CO2 DC+ 0.12 max. 1.75 max. 0.03 max. 0.03 max. 0.90 max. 8.0 max.
E71T-9M-JH8 Requirement 75-80% Ar, balance CO2 DC+ 0.12 max. 1.75 max. 0.03 max. 0.03 max. 0.90 max. 8.0 max.
E71T1-M21A4-CS2-H8 Requirement M21-ArC DC+ 0.12 max. 1.60 max. 0.030 max. 0.030 max. 0.90 max. 8 max.
Typical Result 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 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
%
0.045 in (1.1 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 4.4 (175) 20-25 140 1.8 (4.0) 1.6 (3.5) 86-88
0.045 in (1.1 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 5.7 (225) 21-26 150 2.3 (5.1) 2.0 (4.5) 86-88
0.045 in (1.1 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 7.0 (275) 22-27 165 2.8 (6.3) 2.5 (5.5) 86-88
0.045 in (1.1 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 8.3 (325) 22-27 190 3.4 (7.4) 2.9 (6.5) 86-88
0.045 in (1.1 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 8.9 (350) 23-28 205 3.6 (8.0) 3.2 (7.0) 86-88
0.045 in (1.1 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 10.2 (400) 24-29 230 4.1 (9.1) 3.6 (8.0) 86-88
0.045 in (1.1 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 11.4 (450) 25-31 245 4.7 (10.3) 4.1 (9.0) 86-88
0.045 in (1.1 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 12.1 (475) 26-32 265 4.9 (10.8) 4.3 (9.5) 86-88
0.045 in (1.1 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 13.3 (525) 27-33 280 5.4 (12.0) 4.7 (10.4) 86-88
0.052 in (1.3 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 3.8 (150) 20-25 150 2.0 (4.5) 1.8 (3.9) 86-88
0.052 in (1.3 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 4.4 (175) 21-26 165 2.4 (5.2) 2.1 (4.6) 86-88
0.052 in (1.3 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 5.1 (200) 22-27 190 2.7 (6.0) 2.4 (5.2) 86-88
0.052 in (1.3 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 5.7 (225) 23-28 215 3.1 (6.7) 2.7 (5.9) 86-88
0.052 in (1.3 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 6.4 (250) 24-29 235 3.4 (7.5) 2.9 (6.5) 86-88
0.052 in (1.3 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 7.6 (300) 25-30 255 4.1 (9.0) 3.5 (7.8) 86-88
0.052 in (1.3 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 8.3 (325) 27-31 275 4.4 (9.7) 3.8 (8.5) 86-88
0.052 in (1.3 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 8.9 (350) 28-32 295 4.7 (10.5) 4.1 (9.1) 86-88
0.052 in (1.3 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 11.4 (450) 29-34 330 6.1 (13.5) 5.3 (11.7) 86-88
1/16 in (1.6 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 3.8 (150) 21-26 200 2.9 (6.3) 2.5 (5.5) 86-88
1/16 in (1.6 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 4.4 (175) 22-27 215 3.3 (7.4) 2.9 (6.4) 86-88
1/16 in (1.6 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 5.1 (200) 22-28 235 3.8 (8.4) 3.3 (7.3) 86-88
1/16 in (1.6 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 5.7 (225) 24-29 265 4.3 (9.5) 3.7 (8.2) 86-88
1/16 in (1.6 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 6.4 (250) 25-30 285 4.8 (10.5) 4.2 (9.2) 86-88
1/16 in (1.6 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 7.6 (300) 26-31 315 5.7 (12.6) 5.0 (11.0) 86-88
1/16 in (1.6 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 8.3 (325) 27-32 335 6.2 (13.7) 5.4 (11.9) 86-88
1/16 in (1.6 mm) 75-80% Ar / balance CO2 DC+ 25 (1) 8.9 (350) 28-33 365 6.7 (14.7) 5.8 (12.8) 86-88
1/16 in (1.6 mm) 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.