OK Flux 429 es un fundente neutral avalada para soldadura de filetes y empalme de placas de acero al carbono y bajas aleaciones.
Las uniones fundidas 429 es un neutral, la soldaduras empalmadas y de filete y una aleación de acero. Estos se combinan bien como soldación o el propiedades relevadoras de esfuerzo. Su escoria se cae sola, inclusive en apretadas, pero empalmadas uniones. Esto provee una moderada tolerancia de óxido y de cascarillas de laminación. Las uniones fundidas 429 es usado en offshore, puentes, barcos, embases de presión y fabricación de estructuras. Este debe operar con corrientes AC y DC con simples y múltiples sistemas con corrientes desde 1000 amps.

| Typical Mechanical Properties | |
|---|---|
| As Welded | |
| Spoolarc 81 | |
| Tensile Strength | 79 ksi, 545 MPa |
| Yield Strength | 66 ksi, 455 MPa |
| Elongation in 2" | 28 % |
| CVN | 48 ft.-lbs., 65 J |
| Temperature | -20 °F, -29 °C |
| Spoolarc 40B | |
| Tensile Strength | 88 ksi, 605 MPa |
| Yield Strength | 77 ksi, 530 MPa |
| Elongation in 2" | 25 % |
| CVN | 21 ft.-lbs., 28 J |
| Temperature | -20 °F, -29 °C |
| Spoolarc 29S | |
| Tensile Strength | 83 ksi, 570 MPa |
| Yield Strength | 67 ksi, 460 MPa |
| Elongation in 2" | 27 % |
| CVN | 38 ft.-lbs., 42 J |
| Temperature | -20 °F, -29 °C |
| Spoolarc 53 | |
| Tensile Strength | 85 ksi, 585 MPa |
| Yield Strength | 71 ksi, 490 MPa |
| Elongation in 2" | 28 % |
| CVN | 30 ft.-lbs., 52 J |
| Temperature | -40 °F, -40 °C |
| Spoolarc 75 | |
| Tensile Strength | 86 ksi, 595 MPa |
| Yield Strength | 73 ksi, 505 MPa |
| Elongation in 2" | 28 % |
| CVN | 40 ft.-lbs., 54 J |
| Temperature | -40 °F, -40 °C |
| Spoolarc ENi4 | |
| Tensile Strength | 93 ksi, 640 MPa |
| Yield Strength | 82 ksi, 565 MPa |
| Elongation in 2" | 25 % |
| CVN | 44 ft.-lbs., 60 J |
| Temperature | -40 °F, -40 °C |
| Stress Relieved 1 hr. @ 1150°F | |
| Spoolarc 81 | |
| Tensile Strength | 75 ksi, 515 MPa |
| Yield Strength | 60 ksi, 415 MPa |
| Elongation in 2" | 30 % |
| CVN | 50 ft.-lbs., 68 J |
| Temperature | -40 °F, -40 °C |
| Spoolarc 71 | |
| Tensile Strength | 80 ksi, 550 MPa |
| Yield Strength | 63 ksi, 430 MPa |
| Elongation in 2" | 32 % |
| CVN | 20 ft.-lbs., 28 J |
| Temperature | -20 °F, -29 °C |
| Spoolarc 40B | |
| Tensile Strength | 88 ksi, 605 MPa |
| Yield Strength | 75 ksi, 515 MPa |
| Elongation in 2" | 26 % |
| CVN | 26 ft.-lbs., 35 J |
| Temperature | 0 °F, -18 °C |
| Spoolarc ENi4 | |
| Tensile Strength | 89 ksi, 615 MPa |
| Yield Strength | 77 ksi, 530 MPa |
| Elongation in 2" | 26 % |
| CVN | 24 ft.-lbs., 33 J |
| Temperature | -40 °F, -40 °C |
| Typical Undiluted Weld Metal Analysis | |
| As Welded | |
| Spoolarc 81 | |
| C | 0.06 % |
| Mn | 1.40 % |
| Si | 0.45 % |
| P | 0.020 % |
| S | 0.015 % |
| Spoolarc 40B | |
| C | 0.06 % |
| Mn | 1.40 % |
| Si | 0.40 % |
| P | 0.023 % |
| S | 0.012 % |
| Mo | 0.48 % |
| Cu | 0.48 % |
| Spoolarc 29S | |
| C | 0.07 % |
| Mn | 1.70 % |
| Si | 0.70 % |
| P | 0.020 % |
| S | 0.012 % |
| Spoolarc 53 | |
| C | 0.06 % |
| Mn | 1.80 % |
| Si | 0.50 % |
| P | 0.026 % |
| S | 0.010 % |
| Spoolarc 75 | |
| C | 0.05 % |
| Mn | 1.50 % |
| Si | 0.60 % |
| P | 0.018 % |
| S | 0.012 % |
| Ni | 0.80 % |
| Spoolarc ENi4 | |
| C | 0.06 % |
| Mn | 1.30 % |
| Si | 0.40 % |
| P | 0.021 % |
| S | 0.009 % |
| Cr | 1.7 % |
| Ni | 1.79 % |
| Mo | 0.15 % |
| Cu | 0.15 % |
| Spoolarc 71 | |
| C | 0.06 % |
| Mn | 1.58 % |
| Si | 0.58 % |
| P | 0.018 % |
| S | 0.009 % |
| Basicity Index: | 1.1 |
| Chemical Composition: | |
| SiO2 + TiO2 | 20 |
| Al2 + MnO | 40 |
| CaO + MgO | 25 |
| Fluorides | 10 |
| Flux Consumption | |
| (lb. Flux / lb. Wire) | |
| Voltage | DC+ |
| 26 | 0.73 |
| 30 | 1.02 |
| 34 | 1.33 |
| 38 | 1.46 |
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.