Los electrodos Atom Arc 8018-NM son usados para soldar los aceros templados al manganeso, níquel y molibdeno.
Los electrodos Atom Arc 8018-NM son usados para soldar los aceros templados al manganeso, níquel y molibdeno. Este electrodo fue desarrollado para usarse en contenderos de presión para reactores nucleares donde un alivio largo de esfuerzos térmicos es requerido.

| As Welded | |
|---|---|
| Yield Strength | 85 ksi, 585 MPa |
| Tensile Strength | 95 ksi, 655 MPa |
| Elongation in 2" | 25 % |
| Stress Relieved 16 hrs. @ 1150°F (621°C) | |
| Yield Strength | 78 ksi, 540 MPa |
| Tensile Strength | 88 ksi, 605 MPa |
| Elongation in 2" | 29 % |
| Typical Charpy V-Notch Impact Properties | |
| Testing Temperature 0ºF (-18ºC) | |
| As Welded | 111 ft.-lbs., 150 J |
| Stress Relieved 16 hrs. @ 1150ºF (621ºC) | 118 ft.-lbs., 160 J |
| Testing Temperature -50°F (-10°C) | |
| As Welded | 65 ft.-lbs., 88 J |
| Typical Undiluted Weld Metal Analysis | |
| C | 0.043 % |
| Mn | 1.20 % |
| Si | .35 % |
| P | .011 % |
| S | .009 % |
| Ni | .99 % |
| Mo | .54 % |
| Part No. | Model / Product Description | UPC |
|---|---|---|
| 255201410 | AA 8018-NM 1/4X18X50#HS | 662303018412 |
| 255201816 | AA 8018-NM 1/8X14X50#HS | 662303018580 |
| 255203119 | AA 8018-NM 3/16X14X50#HS | 662303018559 |
| 255205304 | AA 8018-NM 3/16X18X50#HS | 662303074999 |
| 255205312 | AA 8018-NM 5/32X14X50#HS | 662303018566 |
| 255205320 | AA 8018-NM 5/32X18X50#HS | 662303078027 |
| 255207318 | AA 8018-NM 7/32X18X50#HS | 662303018573 |
| 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 % |
El precalentamiento debe ser usado en aceros endurecibles para prevenir la formación de una zona altamente afectada por el calor. EL precalentamiento también puede ser requerido en la soldadura de secciones pesadas.
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.