CLASSIFICATION
ASME.BPVC.II-C.SFA5.1 E6013 | SFA5.1M E4313 | UNS W06013 | CSA W48-01 E4313 | ISO 2560A E35xR12 | ISO 2560B E4313
CHARACTERISTICS & APPLICATIONS
ífíl-63 electrodes are characterized by the low penetrating arc and dense slag, which completely covers the bead. This may result in incomplete root penetration in fillet welded joints. The coverings are high in titania, and usually are referred to as the “titania” or “rutile” type. Fillet welds tend to have a convex weld face with smooth even ripples in the horizontal welding position, and widely spaced rougher ripples in the vertical welding position which become smoother and more uniform as the size of the weld is increased. Ordinarily, a larger size fillet must be made in the vertical and overhead welding positions using ífíl-63 compared to welds with cellulosic electrodes of the same diameter. These are all-position electrodes and usually are suitable for welding in the vertical welding position with either the upward or downward progression. However, more often the larger sizes are used in the flat and horizontal welding positions rather than in the vertical and overhead welding positions. The larger sizes are often used for single pass, high-speed, high current fillet welds in the horizontal welding position. Their ease of handling, good fillet weld face, and ability to bridge wide root openings under conditions of poor fit, and to withstand high amperages make them very well suited to this type of work. The electrode size used for vertical and overhead position welding is frequently one size smaller than would be used with a cellulosic electrode.
Their flux covering makes slag removal easier and gives a smoother arc transfer. This permits satisfactory operation with lower open-circuit ac voltage. ífíl-63 electrodes were designed specifically for light sheet metal work. However, the larger diameters are used on many of the same applications as ífíl-63 electrodes and provide low penetrating arc. The smaller diameters provide a less penetrating arc than is obtained with ífíl-62 electrodes. This may result in incomplete penetration in fillet welded joints. The potassium compounds permit the electrodes to operate with ac at low amperages and low open-circuit voltages.
The arc action of ífíl-63 tends to be quieter and the bead surface smoother with a finer ripple. These are recommended for sheet metal applications where their ability to weld satisfactorily in the vertical welding position with downward progression is an advantage. With a more fluid slag, these are used for horizontal fillet welds and other general-purpose welding. These electrodes produce a flat fillet weld face rather than the convex weld face characteristic of ífíl-62 electrodes. They are also suitable for making groove welds because of their concave weld face and easily removable slag. In addition, the weld metal is definitely freer of slag and oxide inclusions than ífíl-62 weld metal and exhibits better soundness. Welds with the smaller diameter ífíl-63 often meet the Grade 1 radiographic requirements.
ífíl-63 usually cannot withstand the high amperages that can be used with ífíl-62 in the flat and horizontal welding positions. Amperages in the vertical and overhead positions, however, are similar to those used with ífíl-62 electrodes.
Storage and Drying Conditions: Hydrogen can have adverse effects on welds in some steels under certain conditions. One source of this hydrogen is moisture in the electrode coverings. For this reason, the proper storage, treatment, and handling of electrodes are necessary. Reconditioning of electrodes is recommended when they are damp.
Holding Ovens: 10°C-20°C above ambient temperature (50% max relative humidity). Drying Conditions: 135°C ± 15°C for 1 hour prior to use.
CHEMICAL COMPOSITION OF WELD METAL
C | Mn | Si | P | S | Ni | Cr | Mo | V | Mn+Ni+Cr+Ni+V |
0.20 | 1.20 | 1.00 | NS | NS | 0.30 | 0.20 | 0.30 | 0.08 | NS |
Single values are maxima, except where specified otherwise.
ALL-WELD-METAL MECHANICAL PROPERTIES
Tensile Strength, MPa | Yield Strength, At 0.2% Offset, MPa | Elongation, % | Charpy V-Notch Impact at 0°C, Joules |
430 | 330 | 17 | 47 |
Single values are minimal.
ELECTRODE SIZE & WELDING CURRENT
Diameter, mm | Length, mm | AC, DCEN or DCEP, Amperes |
2.50 | 350 | 45-90 |
3.15, 3.20 | 450 | 80-130 |
4.00 | 450 | 105-180 |
5.00 | 450 | 150-230 |
WARNING : Safety and health information is available from many sources, including, but not limited to Safety and Health Fact Sheets listed in A11.3, ANSI Z49.1 Safety in Welding, Cutting, and Allied Processes published by the American Welding Society, 8669 Doral Blvd., Suite 130, Doral, FL 33166., and applicable federal and state regulations. The Safety and Health Fact Sheets are revised and additional sheets added periodically.