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
Disclaimers
Service Information
Documentation
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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-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 |