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Atom Arc 8018-NM
Atom Arc 8018-NM electrodes are used for welding the quenched and tempered manganese-molybdenum-nickel steels.
Features
Atom Arc 8018-NM electrodes are used for welding the quenched and tempered manganese-molybdenum-nickel steels. This electrode was developed for use on pressure vessels for nuclear reactors where long term stress relieving is required.
View large imageClassifications
Classifications/Approvals
- ASME SFA 5.5
Properties
| 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.
| 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 |
SAW
Accessories
Depositions/Paramaters
| 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 % |
Extra Info
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
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Seismic Data
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.