Atom Arc 8018 electrodes deposit 1% Ni weld metal. They are used primarily to weld high-tensile steels in the 70-80 ksi (483-552 MPa) tensile strength range, especially where notch toughness at temperatures as low as -40°F (-40°C) is required.
Typical Tensile Properties
| Condition | Elongation | Stress Relieved Temperature | Stress Relieved Testing Time | Tensile Strength | Yield Strength |
| Stress Relieved | 30 % | 1150 °F | 8 hr | 81 ksi | 70 ksi |
夏比V型缺口冲击性能
| Condition | Impact Value | Stress Relieved Testing Temp | Stress Relieved Testing Time | Testing Temperature |
| Stress Relieved | 129 ft-lb | 1150 °F | 8 hr | -20 °F |
| Stress Relieved | 115 ft-lb | 1150 °F | 8 hr | -40 °F |
焊缝金属分析
| P | ||||||
| P | Mn | Mo | C | S | Si | Ni |
| 0.01 % | - | - | - | - | - | - |
| Mn | ||||||
| P | Mn | Mo | C | S | Si | Ni |
| - | 1.11 % | - | - | - | - | - |
| Mo | ||||||
| P | Mn | Mo | C | S | Si | Ni |
| - | - | 0.13 % | - | - | - | - |
| C | ||||||
| P | Mn | Mo | C | S | Si | Ni |
| - | - | - | 0.05 % | - | - | - |
| Si | ||||||
| P | Mn | Mo | C | S | Si | Ni |
| - | - | - | - | - | 0.33 % | - |
| Ni | ||||||
| P | Mn | Mo | C | S | Si | Ni |
| - | - | - | - | - | - | 0.97 % |
熔敷数据
| 安培 | 效率 (%) | ***佳电流 | 熔敷率 | 直径 |
| 70-100 A | 66.3 % | 90 A | 0.8 kg/h | 2.4 mm |
| 90-160 A | 71.6 % | 120 A | 1.2 kg/h | 1/8 in. |
| 90-160 A | 70.9 % | 140 A | 1.2 kg/h | 1/8 in. |
| 130-220 A | 75 % | 140 A | 1.1 kg/h | 4.0 mm |
| 130-220 A | 73.5 % | 170 A | 1.7 kg/h | 4.0 mm |
| 200-300 A | 76.4 % | 200 A | 2.2 kg/h | 3/16 in. |
| 200-300 A | 74.6 % | 250 A | 2.4 kg/h | 3/16 in. |