DETAILS
Designed for high deposition rates and fast travel speeds. Recommended for fillet, lap and butt welds on 3.2 mm (1/8 in) and thicker steel, including some low alloy steels in applications without impact strength requirements.
Features
- High deposition rates and fast travel speeds
- Easy slag removal
- Optimal toe wash-in
- Deep penetration
- High resistance to cracking
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
CONFORMANCE
| CONFORMANCES | SPECIFICATION | CLASSIFICATION |
|---|---|---|
| AWS | AWS A5.20 | E70T-7 |
| AWS | AWS A5.36 | E70T7-AZ-CS3 |
| ABS | AWS A5.20 | E70T-7 |
| CWB | CSA W48 | E490T7-AZ-CS3 (E492T-7) |
MECHANICAL PROPERTIES
| Classification | Polarity |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
|---|---|---|---|---|
| E70T7-AZ-CS3 Requirement | DC- | 400 (58) min. | 480-660 (70-95) | 22 min. |
| Typical Result, As-welded | DC- | 410 (59) | 570-650 (83-94) | 23 |
DEPOSIT COMPOSITION
| Classification | Polarity | %Al | %C | %Mn | %P | %S | %Si |
|---|---|---|---|---|---|---|---|
| E70T7-AZ-CS3 Requirement | DC- | 0.30 max. | 1.75 max. | 0.030 max. | 0.030 max. | 0.60 max. | |
| Typical Result | DC- | 1.2-1.6 | 0.21-0.30 | 0.42-0.49 | 0.014 | 0.005 | 0.08-0.13 |
TYPICAL OPERATING PROCEDURES
| Diameter | Polarity |
CTWD
mm (in.) |
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
% |
|---|---|---|---|---|---|---|---|---|
| 5/64 in (2.0 mm) | DC- | 38 (1 1/2) | 2.5 (100) | 20-23 | 190 | 2.9 (6.4) | 2.3 (5.0) | 78 |
| 5/64 in (2.0 mm) | DC- | 38 (1 1/2) | 4.1 (160) | 24-28 | 275 | 4.7 (10.3) | 3.6 (8.0) | 78 |
| 5/64 in (2.0 mm) | DC- | 38 (1 1/2) | 6.1 (240) | 25-29 | 355 | 7.0 (15.4) | 5.6 (12.4) | 80 |
| 5/64 in (2.0 mm) | DC- | 38 (1 1/2) | 7.6 (300) | 27-31 | 410 | 8.8 (19.3) | 7.2 (15.8) | 82 |
| 3/32 in (2.4 mm) | DC- | 45 (1 3/4) | 1.9 (75) | 20-23 | 200 | 3.2 (7.0) | 2.5 (5.4) | 77 |
| 3/32 in (2.4 mm) | DC- | 45 (1 3/4) | 3.4 (135) | 23-26 | 300 | 5.9 (13.1) | 4.6 (10.2) | 78 |
| 3/32 in (2.4 mm) | DC- | 45 (1 3/4) | 3.8 (150) | 24-27 | 325 | 6.6 (14.6) | 5.2 (11.4) | 78 |
| 3/32 in (2.4 mm) | DC- | 45 (1 3/4) | 5.3 (210) | 26-28 | 400 | 9.3 (20.4) | 7.5 (16.5) | 81 |
| 3/32 in (2.4 mm) | DC- | 45 (1 3/4) | 6.9 (270) | 28-30 | 450 | 11.9 (26.2) | 10.0 (22.0) | 84 |
| 7/64 in (2.8 mm) | DC- | 45 (1 3/4) | 2.5 (100) | 23-26 | 325 | 5.4 (12.0) | 4.5 (10.0) | 83 |
| 7/64 in (2.8 mm) | DC- | 45 (1 3/4) | 3.7 (145) | 25-27 | 400 | 8.1 (17.8) | 6.6 (14.5) | 82 |
| 7/64 in (2.8 mm) | DC- | 45 (1 3/4) | 4.4 (175) | 26-28 | 450 | 9.8 (21.5) | 8.2 (18.0) | 83 |
| 7/64 in (2.8 mm) | DC- | 45 (1 3/4) | 6.1 (240) | 30-32 | 550 | 13.4 (29.5) | 11.6 (25.5) | 86 |
| 7/64 in (2.8 mm) | DC- | 45 (1 3/4) | 7.6 (300) | 32-34 | 625 | 16.7 (36.9) | 15.0 (33.0) | 89 |