Atom Arc 8018-C1 is an all-position low hydrogen electrode that deposits weld metal containing nominal 2.3% Ni in applications that require low temperature toughness.
Atom Arc 8018-C1 electrodes deposit weld metal which contains nominal 2.33% Ni. Their principal use is in the welding of nickel-bearing steels for low temperature applications where toughness of the weld metal at low temperatures is important.

| As Welded | |
|---|---|
| Yield Strength | 80 ksi, 550 MPa |
| Tensile Strength | 90 ksi, 620 MPa |
| Elongation in 2" | 30 % |
| Stress Relieved 1 hr. @ 1150ºF (621ºC) | |
| Yield Strength | 75 ksi, 515 MPa |
| Tensile Strength | 86 ksi, 595 MPa |
| Reduction in Area | 74 % |
| Elongation in 2" | 30 % |
| Typical Charpy V-Notch Impact Properties | |
| Testing Temperature -75ºF (-59ºC) | |
| As Welded | 47 ft.-lbs., 64 J |
| Stress Relieved 1 hr. @ 1150ºF (621ºC) | 64 ft.-lbs., 87 J |
| Typical Undiluted Weld Metal Analysis | |
| C | .04 % |
| Mn | 1.1 % |
| Si | .3 % |
| P | 0.011 % |
| S | 0.009 % |
| Ni | 2.4 % |
| Part No. | Model / Product Description | UPC |
|---|---|---|
| 255161416 | AA 8018-C1 1/4X18X50#HS | 662303018146 |
| 255161812 | AA 8018-C1 1/8X14X50#HS | 662303018153 |
| 255163115 | AA 8018-C1 3/16X14X50#HS | 662303018221 |
| 255163214 | AA 8018-C1 3/32X14X50#HS | 662303018252 |
| 255165318 | AA 8018-C1 5/32X14X50#HS | 662303018269 |
| 255167314 | AA 8018-C1 7/32X18X50#HS | 662303018283 |
| 255161820 | AA 8018-C1 1/8X14X10#HS | 662303018160 |
| 255163123 | AA 8018-C1 3/16X14X10#HS | 662303018238 |
| 255163206 | AA 8018-C1 3/32X14X10#HS | 662303018245 |
| 255165326 | AA 8018-C1 5/32X14X10#HS | 662303018276 |
| 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 % |
Preheat should be used on hardenable steels to prevent the formation of a hard heat-affected zone. Preheat may also be required in welding heavy sections.
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.