Dual Shield 7000-A1
Dual Shield 7000-A1 is an all-position flux cored electrode recommended for 0.5% Mo steels. It is used in the fabrication and erection of boilers, pressure piping and tubing and other pressure vessel applications. Shielding gas of 100% CO2 and 75% Ar, remainder CO2 may be used. The weld metal analysis is similar to an E7018-A1 low hydrogen electrode.
Typical Tensile Properties
| Condition | As Welded | Stress Relieved |
| Tensile Strength | 635 MPa (92 ksi) | 645 MPa (93 ksi) |
| Yield Strength | 566 MPa (82 ksi) | 566 MPa (82 ksi) |
| Elongation | 22 % | 26 % |
| Testing Time | 1 hr | |
| Testing Temperature | 620 degC (1150 degF) |
Deposition Data
| Current | Deposition Rate | Diameter | Deposition Efficiency (%) | TTW Dist. | Voltage | Wire Feed Speed |
| 100% CO2 | ||||||
| 140 A | 1.7 kg/h (3.6 lb/h) | 1.2 mm (.045 in.) | 77.8 % | 15.9 mm (5/8 in.) | 24 V | 508 cm/min (200 in./min) |
| 192 A | 2.5 kg/h (5.5 lb/h) | 1.2 mm (.045 in.) | 79.3 % | 15.9 mm (5/8 in.) | 25.5 V | 762 cm/min (300 in./min) |
| 230 A | 3.3 kg/h (7.4 lb/h) | 1.2 mm (.045 in.) | 81.8 % | 19 mm (3/4 in.) | 27 V | 1016 cm/min (400 in./min) |
| 275 A | 4.4 kg/h (9.6 lb/h) | 1.2 mm (.045 in.) | 83.1 % | 19 mm (3/4 in.) | 28.5 V | 1270 cm/min (500 in./min) |
| 150 A | 1.6 kg/h (3.6 lb/h) | 1.4 mm (.052 in.) | 75.8 % | 19 mm (3/4 in.) | 23.5 V | 381 cm/min (150 in./min) |
| 190 A | 2.2 kg/h (4.9 lb/h) | 1.4 mm (.052 in.) | 77.8 % | 19 mm (3/4 in.) | 24 V | 508 cm/min (200 in./min) |
| 250 A | 3.5 kg/h (7.7 lb/h) | 1.4 mm (.052 in.) | 81.7 % | 19 mm (3/4 in.) | 25.5 V | 762 cm/min (300 in./min) |
| 300 A | 4.7 kg/h (10.3 lb/h) | 1.4 mm (.052 in.) | 82.5 % | 19 mm (3/4 in.) | 27 V | 1016 cm/min (400 in./min) |
| 345 A | 6.0 kg/h (13.3 lb/h) | 1.4 mm (.052 in.) | 84.7 % | 19 mm (3/4 in.) | 28.5 V | 1270 cm/min (500 in./min) |
| 195 A | 2.5 kg/h (5.5 lb/h) | 1.6 mm (1/16 in.) | 85 % | 19 mm (3/4 in.) | 24 V | 381 cm/min (150 in./min) |
| 290 A | 4.2 kg/h (9.2 lb/h) | 1.6 mm (1/16 in.) | 86.5 % | 19 mm (3/4 in.) | 25.5 V | 635 cm/min (250 in./min) |
| 325 A | 4.9 kg/h (10.9 lb/h) | 1.6 mm (1/16 in.) | 85.9 % | 19 mm (3/4 in.) | 26.5 V | 762 cm/min (300 in./min) |
| 352 A | 6.0 kg/h (13.1 lb/h) | 1.6 mm (1/16 in.) | 88.1 % | 19 mm (3/4 in.) | 27 V | 889 cm/min (350 in./min) |
| 382 A | 6.7 kg/h (14.7 lb/h) | 1.6 mm (1/16 in.) | 86.8 % | 19 mm (3/4 in.) | 28.5 V | 1016 cm/min (400 in./min) |
Classifications
| Classifications |
AWS A5.29 : E81T1-A1C/A1M ASME SFA 5.29 : ASME SFA 5.36 : AWS A5.36 : E81T1-C1PZ-A1 AWS A5.36 : E81T1-C1AZ-A1 |
Typical Weld Metal Analysis %
| Typical Weld Metal Analysis % | ||||||||||||||
| C | Mn | Mo | P | S | Si | |||||||||
| 0.05 % | 0.90 % | 0.55 % | 0.01 % | 0.01 % | 0.60 % | |||||||||
| 0.05 % | 0.90 % | |||||||||||||
Part Numbers and Accessories
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