El Atom Arc 7018-SR ese un electrodo E7018 para soldadura fuera de posición bajo en Hidrógneo diseñado para mantener 70 ksi (483 Mpa) cuando se usa en aplicaciones de relevación de esfuerzos.
El Atom Arc 7018-SR, es un electrodo para soldadura fuera de posición bajo en Hidrógeno. La resistencia a la humedad y el recurso de la soldadura, es similar a otros electrodos Atom Arc. El Atom Arc 7018-SR fue desarrollado para mantener una fuerza de tensión de 70 ksi (483 Mpa) después de 16 horas de relevación de esfuerzos.

| As Welded | |
|---|---|
| Yield Strength | 68 ksi, 475 MPa |
| Tensile Strength | 83 ksi, 575 MPa |
| Elongation in 2" | 32 % |
| Reduction in Area | 76 % |
| Stress Relieved 8 hrs. @ 1150ºF (621ºC) | |
| Yield Strength | 61 ksi, 420 MPa |
| Tensile Strength | 76 ksi, 520 MPa |
| Reduction in Area | 76 % |
| Elongation in 2" | 35 % |
| Stress Relieved 16 hrs. @ 1150ºF (621ºC) | |
| Yield Strength | 59 ksi, 405 MPa |
| Tensile Strength | 74 ksi, 510 MPa |
| Reduction in Area | 77 % |
| Elongation in 2" | 35 % |
| Typical Charpy V-Notch Impact Properties | |
| Testing Temperature -20ºF (-29ºC) | |
| As Welded | 114 ft.-lbs., 195 J |
| Stress Relieved 8 hrs. @ 1150ºF (621ºC) | 133 ft.-lbs., 180 J |
| Stress Relieved 16 hrs. @ 1150ºF (621ºC) | 185 ft.-lbs., 250 J |
| Typical Undiluted Weld Metal Analysis | |
| C | 0.06 % |
| Mn | 1.3 % |
| Si | 0.3 % |
| P | 0.014 % |
| S | 0.014 % |
| Mo | 0.1 % |
| Part No. | Model / Product Description | UPC |
|---|---|---|
| 255325003 | AA 7018-SR 3/32X14X50#HS | 662303016692 |
| 255325011 | AA 7018-SR 1/8X14X50#HS | 662303016708 |
| 255325029 | AA 7018-SR 5/32X14X50#HS | 662303016715 |
| 255325029-21 | AA 7018-SR 5/32X14X50#HS | 662303059699 |
| 255325037 | AA 7018-SR 3/16X14X50#HS | 662303016722 |
| 255325045 | AA 7018-SR 7/32X18X50#HS | 662303016739 |
| 255325052 | AA 7018-SR 1/4X18X50#HS | 662303016746 |
| 255325060 | AA 7018-SR 1/8X14X10#HS | 662303016753 |
| 255325078 | AA 7018-SR 3/32X14X10#HS | 662303016760 |
| 255325086 | AA 7018-SR 5/32X14X10#HS | 662303016777 |
| 255325003-21 | AA 7018-SR 3/32X14X50#HS S/L | 662303057206 |
| 255325011-21 | AA 7018-SR 1/8X14X50#HS S/L | 662303057190 |
| Diameter | Optimal Amperage | Range Amperage | Deposition Rate | Efficiency |
|---|---|---|---|---|
| 3/32 in, 2.4 mm | 90 A | 70 - 100 | 1.7 lbs./hr., 0.8 kg./hr. | 66.3 % |
| 1/8 in, 3.2 mm | 120 A | 90 - 160 | 2.6 lbs./hr., 1.2 kg./hr. | 71.6 % |
| 140 A | 90 - 160 | 2.7 lbs./hr., 1.2 kg./hr. | 70.9 % | |
| 5/32 in, 4.0 mm | 140 A | 130 - 220 | 3.1 lbs./hr., 1.4 kg./hr. | 75 % |
| 170 A | 130 - 220 | 3.8 lbs./hr., 1.7 kg./hr. | 73.5 % | |
| 3/16 in, 4.8 mm | 200 A | 200 - 300 | 4.9 lbs./hr., 2.2 kg./hr. | 76.4 % |
| 250 A | 200 - 300 | 5.4 lbs./hr., 2.4 kg./hr. | 74.6 % | |
| 7/32 in, 5.6 mm | 250 A | 250 - 350 | 6.5 lbs./hr., 2.9 kg./hr. | 75 % |
| 300 A | 250 - 350 | 7.2 lbs./hr., 3.3 kg./hr. | 74 % | |
| 1/4 in, 6.4 mm | 300 A | 300 - 400 | 7.7 lbs./hr., 3.5 kg./hr. | 78 % |
| 350 A | 300 - 400 | 8.7 lbs./hr., 3.9 kg./hr. | 77 % |
All listed prices are in U.S. dollars and represent the Manufacturer's Suggested Retail Price (MSRP) for sale in the United States. Actual selling price will be determined by the Distributor. Prices are subject to change without notice.