Spoolarc 81 is a medium manganese and silicon wire with nominal rust and mill scale tolerance. Typical applications include structural steels, medium strength pressure vessels, ship, barge, and offshore oil rig fabrication.
Medium manganese and silicon wire - nominal rust and mill scale tolerance.
Developed for general purpose welding on low and medium carbon steels.
Applications include structural steels, medium strength pressure vessels, ship, barge and offshore oil rig fabrication.
Use with OK Flux 50, 80, 429, 231, 350, 10.71, 10.72, and 10.62 fluxes.

| C | 0.1 % |
|---|---|
| Mn | 1.0 % |
| Si | 0.2 % |
| P | 0.008 % |
| S | 0.010 % |
| Typical wire analysis | |
| C | 0.11 % |
| Mn | 0.95 % |
| Si | 0.26 % |
| P | 0.006 % |
| S | 0.008 % |
| Part No. | Model / Product Description | UPC |
|---|---|---|
| 120KF90 | 81 3/32X1000#RL-3 VERT/PLT | 662303080563 |
| 120UF48 | 81 1/16X900#OMP 2/PLT | 662303668860 |
| 1204F28 | 81 1/16X65#CL | 662303503727 |
| 1204F29 | 81 5/64X65#CL | 662303503734 |
| 1204F30 | 81 3/32X65#CL | 662303503741 |
| 1204F32 | 81 1/8X65#CL | 662303503758 |
| 1204F34 | 81 5/32X65#CL | 662303503765 |
| 1204F35 | 81 3/16X65#CL | 662303503772 |
| 1205F30 | 81 3/32X200#CL | 662303522780 |
| 1205F34 | 81 5/32X200#CL | 662303517588 |
| 1206F09 | 81 5/64X800#DR | 662303503796 |
| 1206F10 | 81 3/32X800#DR | 662303503802 |
| 1206F12 | 81 1/8X800#DR | 662303503819 |
| 1206F14 | 81 5/32X800#DR | 662303503826 |
| 1206F15 | 81 3/16X800#DR | 662303503833 |
| 1206F34 | 81 5/32X300#DR | 662303503857 |
| 1206F49 | 81 5/64X700#DR | 662303503871 |
| 1206F50 | 81 3/32X700#DR | 662303503888 |
| 1206F52 | 81 1/8X700#DR | 662303503895 |
| 1206F54 | 81 5/32X700#DR | 662303503901 |
| 1206F55 | 81 3/16X700#DR | 662303503918 |
| 1208F68 | 81 1/16X700#RL | 662303503963 |
| 1208F69 | 81 5/64X700#RL | 662303503970 |
| 1208F72 | 81 1/8X700#RL | 662303503994 |
| 1208F74 | 81 5/32X700#RL | 662303504007 |
| 1208F75 | 81 3/16X700#RL | 662303504014 |
| 1208F90 | 81 3/32X300#RL 013603 RL | 662303668501 |
| 1209F48 | 81 1/16X900#MP PBPLT | 662303518356 |
| 120EFFM | 81 5/64X600#DR 16IN CORE | 662303519476 |
| Diameter | Amps | Deposition Rate | Average Deposition Efficiency |
|---|---|---|---|
| 1/16 in, 1.6 mm | 400 | 13.0 lbs./hr., 5.90 kg./hr. | 99 % |
| 500 | 17.0 lbs./hr., 7.71 kg./hr. | 99 % | |
| 5/64 in, 2.0 mm | 300 | 10.8 lbs./hr., 4.90 kg./hr. | 99 % |
| 400 | 14.5 lbs./hr., 6.58 kg./hr. | 99 % | |
| 500 | 18.2 lbs./hr., 8.26 kg./hr. | 99 % | |
| 3/32 in, 2.4 mm | 400 | 13.2 lbs./hr., 5.99 kg./hr. | 99 % |
| 500 | 17.0 lbs./hr., 7.71 kg./hr. | 99 % | |
| 600 | 22.0 lbs./hr., 9.98 kg./hr. | 99 % | |
| 1/8 in, 3.2 mm | 400 | 11.0 lbs./hr., 4.99 kg./hr. | 99 % |
| 500 | 14.5 lbs./hr., 6.58 kg./hr. | 99 % | |
| 600 | 18.0 lbs./hr., 8.16 kg./hr. | 99 % | |
| 700 | 21.2 lbs./hr., 9.62 kg./hr. | 99 % | |
| 5/32 in, 4.0 mm | 500 | 12.5 lbs./hr., 5.67 kg./hr. | 99 % |
| 600 | 16.0 lbs./hr., 7.26 kg./hr. | 99 % | |
| 700 | 19.5 lbs./hr., 8.85 kg./hr. | 99 % | |
| 800 | 23.0 lbs./hr., 10.43 kg./hr. | 99 % | |
| 900 | 26.0 lbs./hr., 11.79 kg./hr. | 99 % | |
| 3/16 in, 4.8 mm | 600 | 13.9 lbs./hr., 6.31 kg./hr. | 99 % |
| 700 | 17.5 lbs./hr., 7.94 kg./hr. | 99 % | |
| 800 | 21.0 lbs./hr., 9.53 kg./hr. | 99 % | |
| 900 | 25.0 lbs./hr., 11.34 kg./hr. | 99 % | |
| 1000 | 29.2 lbs./hr., 13.25 kg./hr. | 99 % | |
| 1100 | 34.0 lbs./hr., 15.42 kg./hr. | 99 % |
| Diameter | Wire Feed Speed | Amps | Volts | Deposition Rate |
|---|---|---|---|---|
| .023 in, 0.6 mm | 150 ipm, 381 cm/min | 45 | 14 | 1 lbs./hr., 0.4 kg./hr. |
| 200 ipm, 508 cm/min | 55 | 14 | 1.3 lbs./hr., 0.6 kg./hr. | |
| 250 ipm, 635 cm/min | 65 | 15 | 1.6 lbs./hr., 0.7 kg./hr. | |
| 300 ipm, 762 cm/min | 74 | 15 | 2 lbs./hr., 0.9 kg./hr. | |
| 350 ipm, 889 cm/min | 84 | 16 | 2.3 lbs./hr., 1 kg./hr. | |
| 380 ipm, 965 cm/min | 90 | 16 | 2.5 lbs./hr., 1.1 kg./hr. | |
| .030 in, 0.8 mm | 150 ipm, 381 cm/min | 60 | 14 | 1.7 lbs./hr., 0.8 kg./hr. |
| 200 ipm, 508 cm/min | 80 | 15 | 2.2 lbs./hr., 1 kg./hr. | |
| 250 ipm, 635 cm/min | 100 | 15 | 2.8 lbs./hr., 1.3 kg./hr. | |
| 300 ipm, 762 cm/min | 120 | 16 | 3.3 lbs./hr., 1.5 kg./hr. | |
| 350 ipm, 889 cm/min | 140 | 16 | 3.9 lbs./hr., 1.8 kg./hr. | |
| 360 ipm, 914 cm/min | 144 | 16 | 4 lbs./hr., 1.8 kg./hr. | |
| .035 in, 0.9 mm | 180 ipm, 457 cm/min | 90 | 15 | 2.7 lbs./hr., 1.2 kg./hr. |
| 220 ipm, 559 cm/min | 113 | 16 | 3.3 lbs./hr., 1.5 kg./hr. | |
| 260 ipm, 660 cm/min | 137 | 18 | 4 lbs./hr., 1.8 kg./hr. | |
| 300 ipm, 762 cm/min | 160 | 19 | 4.6 lbs./hr., 2.1 kg./hr. | |
| .045 in, 1.2 mm | 125 ipm, 318 cm/min | 130 | 17 | 3.1 lbs./hr., 1.4 kg./hr. |
| 160 ipm, 406 cm/min | 163 | 18 | 4 lbs./hr., 1.8 kg./hr. | |
| 200 ipm, 508 cm/min | 200 | 19 | 5 lbs./hr., 2.3 kg./hr. | |
| .052 in, 1.3 mm | 135 ipm, 343 cm/min | 150 | 17 | 4.5 lbs./hr., 2.1 kg./hr. |
| 190 ipm, 483 cm/min | 200 | 20 | 6.4 lbs./hr., 2.9 kg./hr. | |
| 160 ipm, 406 cm/min | 173 | 18 | 5.4 lbs./hr., 2.4 kg./hr. |
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.