Low Hydrogen/Low Alloy Electrodes
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Atom Arc 10018-MM
Atom Arc 10018-MM electrodes are used to weld low-alloy, high-tensile steels where welds of 100 ksi (690 MPa) minimum tensile strength is required. This electrode is recommended for use in the weld repair and fabrication of Mn-Mo steel castings and armor plate.
Typical Tensile Properties
| Condition | Elongation | Reduction in Area | Stress Relieved Temperature | Stress Relieved Testing Time | Tensile Strength | Yield Strength |
| Stress Relieved | 24 % | 68 % | 1150 °F | 1 hr | 104 ksi | 93 ksi |
Typical Charpy V-Notch Properties
| Condition | Impact Value | Stress Relieved Testing Temp | Stress Relieved Testing Time | Testing Temperature |
| Stress Relieved | 24 ft-lb | 1150 °F | 1 hr | -60 °F |
Typical Weld Metal Analysis %
| weld metal analysis | ||||||||||
| P | Mn | Cu | Mo | S | C | Nb | V | Si | Ni | Cr |
| 0.01 % | 1.93 % | 0.083 % | 0.34 % | 0.01 % | 0.081 % | 0.004 % | 0.011 % | 0.33 % | 0.32 % | 0.17 % |
| Classifications: | ASME SFA 5.5; AWS A5.5; E10018-D2 H4R |
| Coating Type: | Low-hydrogen iron powder |
| CTOD-Tested: | False |
| Welding Current: | AC or DC+ |