DETAILS
Provides best in class wire feeding performance with controlled H8 diffusible hydrogen levels. It is an excellent choice for structural fabrication and heavy equipment applications in the flat and horizontal positions.
Features
- Meets AWS D1.8 seismic lot waiver requirements for critical welds
- H8 diffusible hydrogen levels - controlled for high resistance to hydrogen induced
Typical Applications
- Structural fabrication
- Seismic applications
- Heavy equipment
- Machinery fabrication
- General fabrication
Welding Positions
- Flat/Horizontal
Shielding Gas
- 100% CO2
Disclaimers
Service Information
Documentation
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 | E70T-1C-H8, E70T-9C-H8 |
| AWS | AWS A5.36 | E70T1-C1A2-CS1-H8 |
| ABS | ABS - Part 2 | 3YSA H5 |
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) |
|---|---|---|---|---|---|---|---|
| E70T-1C-H8 Requirement | 100% CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | |
| E70T-9C-H8 Requirement | 100% CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | |
| E70T1-C1A2-CS1-H8 Requirement | 100% CO2 | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | |
| Typical Result, As-welded | 100% CO2 | DC+ | 500 (72) | 580-630 (84-91) | 24 | 65-126 (48-93) | 49-156 (36-115) |
DEPOSIT COMPOSITION
| Classification | Shielding Gas | Polarity | %C | %Mn | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|
| E70T-1C-H8 Requirement | 100% CO2 | DC+ | 0.12 max. | 1.75 max. | 0.03 max. | 0.03 max. | 0.90 max. | 8.0 max. |
| E70T-9C-H8 Requirement | 100% CO2 | DC+ | 0.12 max. | 1.75 max. | 0.03 max. | 0.03 max. | 0.90 max. | 8.0 max. |
| E70T1-C1A2-CS1-H8 Requirement | 100% CO2 | DC+ | 0.12 max. | 1.75 max. | 0.030 max. | 0.030 max. | 0.90 max. | 8 max. |
| Typical Result | 100% CO2 | DC+ | 0.06-0.08 | 1.43-1.69 | 0.014 max. | 0.014 max. | 0.53-0.64 | 3.8-7.5 |
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
% |
|---|---|---|---|---|---|---|---|---|---|
| 3/32 in (2.4 mm) | 100% CO2 | DC+ | 32 (1-1/4) | 3.8 (150) | 23-26 | 345 | 6.5 (14.4) | 5.6 (12.4) | 86 |
| 3/32 in (2.4 mm) | 100% CO2 | DC+ | 32 (1-1/4) | 5.1 (200) | 27-30 | 445 | 8.7 (19.2) | 7.6 (16.8) | 87 |
| 3/32 in (2.4 mm) | 100% CO2 | DC+ | 32 (1-1/4) | 6.4 (250) | 28-31 | 510 | 10.9 (24.0) | 9.5 (21.0) | 87 |
| 3/32 in (2.4 mm) | 100% CO2 | DC+ | 32 (1-1/4) | 7.6 (300) | 30-32 | 570 | 13.1 (28.8) | 11.4 (25.2) | 87 |
| 3/32 in (2.4 mm) | 100% CO2 | DC+ | 32 (1-1/4) | 8.3 (325) | 31-33 | 600 | 14.2 (31.2) | 12.4 (27.3) | 87 |
NOTES
| Note |
|---|
| ⁽¹⁾ To estimate ESO, subtract 1/4 in. (6.0 mm) from CTWD. |