DETAILS
- Designed to be used with either 100% CO2 or 75% Argon/25% CO2
- Smooth, consistent arc performance
- The finished weld exhibits an extremely smooth bead appearance, even on out-of-position welds
- Meets H4 diffusible hydrogen levels
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-1C-H4, E71T-1M-H4, E71T-9C-H4, E71T-9M-H4 |
| AWS | AWS A5.36 | E71T1-C1A2-CS1-H4, E71T1-M21A2-CS1-H4 |
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-1C-H4 Requirement | 100% CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | |
| E71T-1M-H4 Requirement | 75-80% Ar, balance CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | |
| E71T-9C-H4 Requirement | 100% CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. |
| E71T-9M-H4 Requirement | 75-80% Ar, balance CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. |
| E71T1-C1A2-CS1-H4 Requirement | 100% CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. |
| E71T1-M21A2-CS1-H4 Requirement | M21-ArC | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. |
| Typical Result, As-welded | 100% CO2 | DC+ | 540 (78) | 600 (87) | 28 | 27-39 (20-29) |
| Typical Result, As-welded | 75% Ar, 25% CO2 | DC+ | 590 (86) | 630 (92) | 26 | 83-91 (61-67) |
DEPOSIT COMPOSITION
| Classification | Shielding Gas | Polarity | %C | %Mn | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|
| E71T-1C-H4 Requirement | 100% CO2 | DC+ | 0.12 max. | 1.75 max. | 0.03 max. | 0.03 max. | 0.90 max. | 4.0 max. |
| E71T-1M-H4 Requirement | 75-80% Ar, balance CO2 | DC+ | 0.12 max. | 1.75 max. | 0.03 max. | 0.03 max. | 0.90 max. | 4.0 max. |
| E71T-9C-H4 Requirement | 100% CO2 | DC+ | 0.12 max. | 1.75 max. | 0.03 max. | 0.03 max. | 0.90 max. | 4.0 max. |
| E71T-9M-H4 Requirement | 75-80% Ar, balance CO2 | DC+ | 0.12 max. | 1.75 max. | 0.03 max. | 0.03 max. | 0.90 max. | 4.0 max. |
| E71T1-C1A2-CS1-H4 Requirement | 100% CO2 | DC+ | 0.12 max. | 1.75 max. | 0.030 max. | 0.030 max. | 0.90 max. | 4 max. |
| E71T1-M21A2-CS1-H4 Requirement | M21-ArC | DC+ | 0.12 max. | 1.75 max. | 0.030 max. | 0.030 max. | 0.90 max. | 4 max. |
| Typical Result | 100% CO2 | DC+ | 0.09 | 1.29 | 0.01 | 0.02 | 0.44 | 3.1 |
| Typical Result | 75% Ar, 25% CO2 | DC+ | 0.05 | 1.47 | 0.01 | 0.01 | 0.54 | 3.8 |
TYPICAL OPERATING PROCEDURES
| Diameter | Shielding Gas⁽¹⁾ | Polarity |
CTWD
mm (in.)⁽²⁾ |
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) | 4.4-12.7 (175-500) | 22-28 | 125-260 | 2.0-5.2 (4.5-11.3) | 1.8-4.6 (4.0-10.0) | 86-88 |
| 0.052 in (1.3 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 3.8-10.2 (150-400) | 22-31 | 135-295 | 2.1-5.4 (4.6-12.0) | 1.8-4.9 (4.0-10.1) | 86-88 |
| 1/16 in (1.6 mm) | 75% Ar / 25% CO2 | DC+ | 25 (1) | 3.8-8.9 (150-350) | 23-31 | 135-365 | 2.9-6.7 (6.4-14.7) | 2.5-5.9 (5.6-13.1) | 86-88 |
NOTES
| Note |
|---|
| ⁽¹⁾ When welding under CO2 increase voltage by 1 Volt. |
| ⁽²⁾ To estimate ESO, subtract 1/4 in. (6.0 mm) from CTWD. |