Spoolarc 44 is a high Mn, 1/2% Mo wire with a 0.6% Ni addition designed for single or multipass welding where high strength and impact toughness are required. It maintains 80 ksi after long-term, 50 hours or more, stress relieving.
Designed for single or multipass welding where high strength and impact toughness is required. Weld metal tensile strengths of 80 ksi (552 MPa) are maintainable after long term stress relieving (50 hrs or more). The presence of Ni in the wire chemistry helps increase low temperature impact toughness. Applications include pressure vessels, structural supports, and some heat treatable valves and fittings.

| Typical Wire Analysis | |
|---|---|
| C | 0.12 % |
| Mn | 1.9 % |
| Si | 0.06 % |
| P | 0.008 % |
| S | 0.006 % |
| Ni | 0.6 % |
| Mo | 0.4 % |
| Wire Chemistries | |
| C | 0.13 % |
| Mn | 2.05 % |
| Si | 0.05 % |
| P | 0.010 % |
| S | 0.010 % |
| Ni | 0..65 % |
| Mo | 0.50 % |
| Diameter | Wire Feed Speed | Amps | Volts | Deposition Rate |
|---|---|---|---|---|
| .023 in, 0.6 mm | 400 ipm, 1016 cm/min | 100 | 23 | 2.7 lbs./hr., 1.2 kg./hr. |
| 450 ipm, 1143 cm/min | 106 | 23 | 3.1 lbs./hr., 1.4 kg./hr. | |
| 500 ipm, 1270 cm/min | 111 | 24 | 3.4 lbs./hr., 1.6 kg./hr. | |
| 550 ipm, 1397 cm/min | 117 | 24 | 3.8 lbs./hr., 1.7 kg./hr. | |
| 600 ipm, 1524 cm/min | 122 | 25 | 4.1 lbs./hr., 1.9 kg./hr. | |
| 630 ipm, 1600 cm/min | 125 | 25 | 4.3 lbs./hr., 2 kg./hr. | |
| .030 in, 0.8 mm | 500 ipm, 1270 cm/min | 160 | 24 | 5.8 lbs./hr., 2.6 kg./hr. |
| 550 ipm, 1397 cm/min | 173 | 25 | 6.4 lbs./hr., 2.9 kg./hr. | |
| 600 ipm, 1524 cm/min | 187 | 25 | 7 lbs./hr., 3.2 kg./hr. | |
| 650 ipm, 1651 cm/min | 200 | 26 | 7.6 lbs./hr., 3.4 kg./hr. | |
| .035 in, 0.9 mm | 400 ipm, 1016 cm/min | 180 | 25 | 6.3 lbs./hr., 2.9 kg./hr. |
| 450 ipm, 1143 cm/min | 197 | 26 | 7.1 lbs./hr., 3.2 kg./hr. | |
| 500 ipm, 1270 cm/min | 213 | 26 | 7.9 lbs./hr., 3.6 kg./hr. | |
| 550 ipm, 1397 cm/min | 230 | 27 | 8.7 lbs./hr., 4 kg./hr. | |
| .045 in, 1.2 mm | 330 ipm, 762 cm/min | 260 | 25 | 7.9 lbs./hr., 3.6 kg./hr. |
| 350 ipm, 889 cm/min | 280 | 26 | 9.2 lbs./hr., 4.2 kg./hr. | |
| 400 ipm, 1016 cm/min | 300 | 28 | 10.5 lbs./hr., 4.8 kg./hr. | |
| 450 ipm, 1143 cm/min | 320 | 29 | 11.8 lbs./hr., 5.4 kg./hr. | |
| 500 ipm, 1270 cm/min | 340 | 30 | 13.1 lbs./hr., 6 kg./hr. | |
| .052 in, 1.3 mm | 265 ipm, 673 cm/min | 275 | 26 | 9.3 lbs./hr., 4.2 kg./hr. |
| 300 ipm, 762 cm/min | 310 | 28 | 10.5 lbs./hr., 4.8 kg./hr. | |
| 350 ipm, 889 cm/min | 360 | 31 | 12.2 lbs./hr., 5.6 kg./hr. | |
| 390 ipm, 991 cm/min | 400 | 33 | 13.6 lbs./hr., 6.2 kg./hr. | |
| .062 in, 1.6 mm | 180 ipm, 457 cm/min | 290 | 26 | 9.1 lbs./hr., 4.1 kg./hr. |
| 200 ipm, 508 cm/min | 310 | 28 | 10.1 lbs./hr., 4.6 kg./hr. | |
| 230 ipm, 584 cm/min | 340 | 31 | 11.6 lbs./hr., 5.3 kg./hr. | |
| 260 ipm, 660 cm/min | 370 | 34 | 13.2 lbs./hr., 6 kg./hr. | |
| 280 ipm, 711 cm/min | 390 | 36 | 14.2 lbs./hr., 6.4 kg./hr. |