#4 Welding Cable has 413 strands of copper. The large number of strands create less resistance since electric current travels on the surface of wire. This feature, coupled with the rope type design cause welding cable to be double flexible. The insulation is made of ethylene propylene rubber and is good for use to -40 degrees Fahrenheit. It offers super resistance to oil, grease and acid.
#4 Automotive Cable has approximately 45 strands of solid stiff copper wire. The insulation is generally neoprene, has little elasticity, and sometimes cracks under extremely cold conditions. Automotive cable has inferior flexibility characteristics.
First, any helmet you choose should meet ANSI Z87.1 standards, which ensure that helmets and lenses have passed independent testing to meet all safety requirements. Welding lens shade numbers refer to the lens’ ability to filter out light, and may range from a #8 shade for low-amp applications up to a #13 shade for high-amp applications.
A fixed (passive) lens helmet uses UV and IR coated dark tinted glass with a fixed shade value, usually #10. The welding helmet is worn in the up position while the electrode, gun or torch is positioned. With a quick nod or snap of the neck, the operator flips the helmet into position immediately before striking an arc.
An auto-darkening lens, in its inactive state, usually has a #3 or #4 shade, which is relatively easy to see through. When sensors on the helmet sense an arc start, the lens darkens, in a fraction of a second (typically 1/12,000 to 1/20,000 of a second for industrial grade helmets) to shade #8 to #13. Since the helmet remains in position before, during, and after the weld, an auto-darkening helmet enables you to set up your welding joint with the hood in position.
No more head snaps to lower the helmet. No more messy starts because the torch moved. No more raising and lowering the helmet for tack welds. This not only has the potential for improving weld quality, it can also help to ease the neck strain associated with snapping the helmet into place.
Tips that are used for welding have a single hole in the end that directs the burning gas to the point that is being welded. A mixture of acetylene and oxygen is forced through this hole and ignited, causing a point of heat that is intense enough to cut through metal. Welding tips are manufactured in varying sizes, each one identified by a number. The higher the number, the larger the hole in the tip, and the thicker the metal it is able to cut. Welders need different sized tips. If they attempt to weld thin metal with an over-sized tip they will burn it, and if they attempt to weld thick metal with an undersized tip it will take too long to be efficient.
Cutting tips differ from welding tips in that the central hole in the end of the tip is surrounded by a series of smaller holes. The smaller holes serve as preheaters for the central oxygen flame that comes out of the central hole. As with welding tips, cutting tips are manufactured in different sizes to accommodate the gauge of metal that is being cut. To use a cutting torch, the operator applies the preheaters to the surface of the metal until it is got enough to glow red. He then activates the gas from the central cutting hole which removes the metal that has been weakened by extreme heat.
42397 – 1/8” Diameter
42400 – 5/32” Diameter
An Inexpensive All Position Hardfacing Electrode Used For Building Up Or Surfacing Areas To Resist Abrasion Together With Low To Moderate Impact. The Smooth Arc Action Permits Easy Application Of Thin Smooth Layers. Slag Is Easily Removed. This Rod Is Ideal For Maintenance Hardfacing Of A Wide Variety Of Equipement Parts Such As Combine Cylinders Bars, Drawbars, Augers, Etc. Can Be Used On AC Or DC Reverse Polarity Welding Current. Rockwell C52-58.
42696 – 1/8” diameter
42700 – 5/32” diameter
A high quality hadfacing material that is grafitic coated, fabricated tubular electrode for use with the electric arc. Withstands very high abrasion with moderate impact. Use on AD or DC reverse polarity welding current in all positions. Widely used on subsoilers, land sides, caterpillar shoes, sprockets, rollers, digger chains, planter runners, friction bearing surfaces on guides, drag chains, augers, and many other wearing parts. Runs at low temperature to reduce dilution and produces long wear. Rockwell C54-66.
42796 – 1/8” diameter
42800 – 5/32” diameter
A tube electrode for hardfacing for use in all positions with AC or DC reverse polarity welding current. Provides excellent abrasive protection along with good impact qualities. Quiet arc with fast deposition applies readily to all weldable steels. This electrode is designed to give more service per unit of cost on all types of construction and agriculture equipment, including roll, jaw, hammer and cone. Suitable for shovels, diggers and all such parts subjected to earth abrasion. Rockwell C58-60.
43096 – 1/8” diameter
43100 5/32” diameter
A hardsurfacing electrode for use on AC and DC reverse polarity welding current – designed for applications requiring high resistance to sever impact and abrasion. Its heavy coating gives better stability than high manganese electrodes. The weld deposit flattens out to permit a thin deposit where desirable. This high impact metal is excellent for impact protection on cable tool well bits, mining, excavating/dredging equipment, rock crusher parts, road grading equipment and anything else subject to impact with abrasion.
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