Diameters / Packaging
Diameters |
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DETAILS
UltraCore® Clarity™ M71 LE from Lincoln Electric is the lowest Manganese Generation Rate (MnGR) of any similarly classified electrode.
Features
- The lowest Manganese Generation Rate (MnGR) of any similarly classified electrode
- Over 80% reduction in MnGR when compared to a standard E71T1-1M flux-cored electrode
- Assists efforts to reduce exposure to Mn
- Designed for welding with 75% Argon / 25% CO2 shielding gas
- H8 diffusible hydrogen levels
- ProTech® foil bag packaging
Typical Applications
- General Fabrication
Welding Positions
- All
Shielding Gas
- Mixed Shielding Gas
Disclaimers
Service Information
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-1M-H8 |
AWS | AWS A5.36 | E71T1-M21A0-CS1-H8 |
MECHANICAL PROPERTIES
Classification | Shielding Gas | Polarity |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F) |
---|---|---|---|---|---|---|
E71T-1M-H8 Requirement | 75-80% Ar, balance CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | |
E71T1-M21A0-CS1-H8 Requirement | M21-ArC | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | |
Typical Result, As-welded | 75% Ar, 25% CO2 | DC+ | 420 (61) | 520-540 (76-78) | 25 | 37-71 (27-52) |
DEPOSIT COMPOSITION
Classification | Shielding Gas | Polarity | %B | %C | %Mn | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
---|---|---|---|---|---|---|---|---|---|
E71T-1M-H8 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-M21A0-CS1-H8 Requirement | M21-ArC | DC+ | 0.12 max. | 1.75 max. | 0.030 max. | 0.030 max. | 0.90 max. | 8 max. | |
Typical Result | 75% Ar, 25% CO2 | DC+ | 0.0037-0.0048 | 0.09 | 0.12-0.14 | 0.014 | 0.014 | 0.51-0.54 | 4.2-5 |
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% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 5.1 (200) | 20-24 | 165 | 2.1 (4.6) | 1.8 (4.0) | 84-88 |
0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 6.4 (250) | 21-25 | 180 | 2.6 (5.8) | 2.3 (5.1) | 84-88 |
0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 7.6 (300) | 22-26 | 215 | 3.1 (6.9) | 2.8 (6.1) | 84-88 |
0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 8.9 (350) | 23-26 | 235 | 3.7 (8.1) | 3.3 (7.2) | 84-88 |
0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 10.2 (400) | 24-29 | 260 | 4.2 (9.3) | 3.7 (8.2) | 84-88 |
0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 11.4 (450) | 25-30 | 280 | 4.8 (10.6) | 4.3 (9.4) | 84-88 |
0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 12.7 (500) | 26-31 | 300 | 5.1 (11.2) | 4.8 (10.5) | 84-88 |
1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 3.2 (125) | 22-25 | 170 | 2.2 (4.9) | 2.0 (4.5) | 83-90 |
1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 3.8 (150) | 22-25 | 185 | 2.9 (6.3) | 2.5 (5.6) | 83-90 |
1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 5.1 (200) | 23-26 | 230 | 3.8 (8.4) | 3.3 (7.3) | 83-90 |
1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 6.4 (250) | 24-27 | 260 | 4.7 (10.4) | 4.2 (9.2) | 83-90 |
1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 7.6 (300) | 25-29 | 295 | 6.8 (14.9) | 5.1 (11.3) | 83-90 |
1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 10.2 (400) | 27-31 | 325 | 7.6 (16.7) | 6.8 (14.9) | 83-90 |
1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 19-25 (3/4-1) | 12.7 (500) | 29-33 | 460 | 9.5 (21.0) | 8.6 (19.0) | 83-90 |
NOTES
Note |
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⁽¹⁾ To estimate ESO, subtract 1/4 in. (6.0 mm) from CTWD. |