DETAILS
A general purpose wire that gives you the flexibility to use either straight CO2 or 75% Argon/25% CO2 gas. It delivers a stable arc, low spatter, and a smooth bead appearance for general fabrication applications.
Features
- Fast freezing slag for out-of-position welding
- Designed for welding with either 100% CO2 or 75% Argon/25% CO2 shielding gases
- Premium arc performance and bead appearance
- ProTech® foil bag packaging
- Available to meet Buy America. Choose a Buy America MTS product from the list of Available Types or contact a Lincoln Electric representative
Disclaimers
Service Information
Documentation
You May Also Need
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-1C-H8, E71T-1M-H8, E71T-9C-H8, E71T-9M-H8 |
| AWS | AWS A5.36 | E71T1-C1A2-CS1-H8, E71T1-M21A2-CS1-H8 |
| CWB | CSA W48 | E491T1-C1A3-CS1-H8 (E491T-9-H8), E491T1-GA3-CS1-H8 (E491T-9M-H8), E491T1-M21A3-CS1-H8 (E491T-9M-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) @ -20°C (0°F) |
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F) |
|---|---|---|---|---|---|---|---|
| E71T-1C-H8 Requirement | 100% CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | |
| E71T-1M-H8 Requirement | 75-80% Ar, balance CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | |
| E71T-9C-H8 Requirement | 100% CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | |
| E71T-9M-H8 Requirement | 75-80% Ar, balance CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | |
| E71T1-C1A2-CS1-H8 Requirement | 100% CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | |
| E71T1-M21A2-CS1-H8 Requirement | M21-ArC | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | |
| Typical Result, As-welded | 100% CO2 | DC+ | 510 (74) | 560-640 (81-92) | 23 | 34-133 (25-98) | 28-123 (21-91) |
| Typical Result, As-welded | 75% Ar, 25% CO2 | DC+ | 530 (77) | 580-640 (84-92) | 23 | 31-96 (23-71) | 36-119 (26-88) |
DEPOSIT COMPOSITION
| Classification | Shielding Gas | Polarity | %B | %C | %Mn | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|---|
| E71T-1C-H8 Requirement | 100% CO2 | DC+ | 0.12 max. | 1.75 max. | 0.03 max. | 0.03 max. | 0.90 max. | 8.0 max. | |
| 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. | |
| E71T-9C-H8 Requirement | 100% CO2 | DC+ | 0.12 max. | 1.75 max. | 0.03 max. | 0.03 max. | 0.90 max. | 8.0 max. | |
| E71T-9M-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-C1A2-CS1-H8 Requirement | 100% CO2 | DC+ | 0.12 max. | 1.75 max. | 0.030 max. | 0.030 max. | 0.90 max. | 8 max. | |
| E71T1-M21A2-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 | 100% CO2 | DC+ | 0.0037-0.006 | 0.03-0.05 | 1.17-1.45 | 0.020 max. | 0.011 | 0.40-0.52 | 3-6.2 |
| Typical Result | 75% Ar, 25% CO2 | DC+ | 0.0041-0.006 | 0.03-0.05 | 1.35-1.60 | 0.020 max. | 0.010 | 0.51-0.62 | 4-7.1 |
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+ | 25 (1) | 4.4 (175) | 20-25 | 135 | 1.8 (4.0) | 1.6 (3.5) | 86-88 |
| 0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 6.4 (250) | 21-26 | 150 | 2.6 (5.7) | 2.3 (5.0) | 86-88 |
| 0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 7.6 (300) | 22-27 | 165 | 3.1 (6.8) | 2.7 (6.0) | 86-88 |
| 0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 8.9 (350) | 23-28 | 190 | 3.6 (8.0) | 3.2 (7.0) | 86-88 |
| 0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 10.2 (400) | 24-29 | 205 | 4.1 (9.1) | 3.6 (8.0) | 86-88 |
| 0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 11.4 (450) | 25-30 | 225 | 4.7 (10.3) | 4.1 (9.0) | 86-88 |
| 0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 12.7 (500) | 26-31 | 245 | 5.2 (11.4) | 4.5 (10.0) | 86-88 |
| 0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 14.0 (550) | 27-32 | 265 | 5.7 (12.5) | 5.0 (10.9) | 86-88 |
| 0.045 in (1.1 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 15.2 (600) | 27-33 | 285 | 6.2 (13.7) | 5.4 (11.9) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 3.8 (150) | 20-25 | 155 | 2.0 (4.5) | 1.8 (3.9) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 5.1 (200) | 21-26 | 165 | 2.7 (6.0) | 2.4 (5.2) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 6.4 (250) | 22-27 | 190 | 3.4 (7.5) | 2.9 (6.5) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 7.6 (300) | 23-28 | 215 | 4.1 (9.0) | 3.5 (7.8) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 8.9 (350) | 24-29 | 235 | 4.7 (10.5) | 4.1 (9.1) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 9.5 (375) | 25-30 | 255 | 5.1 (11.2) | 4.4 (9.8) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 10.8 (425) | 27-31 | 275 | 5.8 (12.7) | 5.0 (11.1) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 12.1 (475) | 28-33 | 295 | 6.4 (14.2) | 5.6 (12.4) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 12.7 (500) | 29-35 | 325 | 6.8 (15.0) | 5.9 (13.0) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 3.2 (125) | 20-25 | 195 | 2.4 (5.3) | 2.1 (4.6) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 4.4 (175) | 21-26 | 215 | 3.3 (7.4) | 2.9 (6.4) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 5.1 (200) | 22-27 | 235 | 3.8 (8.4) | 3.3 (7.3) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 5.7 (225) | 23-28 | 265 | 4.3 (9.5) | 3.7 (8.2) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 6.4 (250) | 24-29 | 285 | 4.8 (10.5) | 4.2 (9.2) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 7.6 (300) | 25-31 | 315 | 5.7 (12.6) | 5.0 (11.0) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 8.3 (325) | 25-32 | 335 | 6.2 (13.7) | 5.4 (11.9) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 8.9 (350) | 26-33 | 365 | 6.7 (14.7) | 5.8 (12.8) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 10.2 (400) | 28-35 | 405 | 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. |