Abstract: A material transport cart includes a cart body, a material support body coupled to the cart body, a wheel coupled to the cart body, a motor operable to drive the wheel, and a powered lift assembly. The powered lift assembly is coupled to the cart body and to the material support body. The powered lift assembly is operable to lift the material support body relative to the cart body. A removable battery is electrically coupled to and operable to supply power to both the motor and the powered lift assembly.

Abstract: The invention described herein generally pertains to an improved process in the field of welding using longer than recommended contact-to-work-distances coupled with effectively reduced shielding gas flow rates by adding between 0.25-10 parts of at least one porosity reducing agent to the electrode composition comprising a lime-fluoride based slag, selected from the group consisting of: (a) at least one metallic nitride former selected from the group consisting of Ti, Zr, Ca, Ba and Al, including metallic alloys thereof or alloys which incorporate at least one of the identified metals, and further wherein when no Al is present in the at least one metallic nitride former, a Li compound is substituted; or (b) at least one rare earth metal selected from the group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sc and Y, including combinations of (a) and (b).

Abstract: A self-shielding welding electrode and a method of making the same are provided. The self-shielding welding electrode contains rare earth aluminide in either the flux or the electrode portion of the electrode. The self-shielding welding electrode contains at least about 0.5% by weight of the flux of rare earth aluminide.

Abstract: Methods for forming an aluminum weld on an aluminum work surface are disclosed. The methods include providing an aluminum metal-core wire having a sheath with an outer surface and a core composition within the sheath, applying a voltage to the aluminum metal-core wire in the vicinity of the aluminum work surface to generate an arc, and melting the wire and the work surface to form the weld. The sheath is formed with an inorganic lubricant on its outer surface and the core composition includes metal powders, metal alloy powders, or combinations thereof and less than about 5% of non-metallic components or non-metallic agents based on the weight of the wire.

Abstract: Embodiments of flux cored welding electrodes and methods of use thereof are disclosed. The flux cored welding electrodes limit brittleness of flux cored arc welds, particularly in thick weld deposits. Limiting brittleness in thick (e.g., from about 1? to about 6?) flux cored arc welds is achieved by utilizing flux cored welding electrodes having chemical compositions that reduce (as compared to presently marketed electrodes) or altogether eliminate niobium and vanadium from their chemical compositions.

Abstract: A self-shielding welding electrode and a method of making the same are provided. The self-shielding welding electrode contains lithium aluminate in either the flux or the electrode portion of the electrode.

Abstract: A self-shielding welding electrode and a method of making the same are provided. The self-shielding welding electrode contains lithium aluminate in either the flux or the electrode portion of the electrode.

Abstract: A self-shielding welding electrode and a method of making the same are provided. The self-shielding welding electrode contains lithium aluminate in either the flux or the electrode portion of the electrode.

Abstract: A self-shielding welding electrode and a method of making the same are provided. The self-shielding welding electrode contains lithium aluminate in either the flux or the electrode portion of the electrode.

Abstract: A welding electrode and a method of manufacturing the same are provided. The welding electrode can include a flux portion having a material which can contain a lithium aluminum alloy.

Abstract: A self-shielding welding electrode and a method of making the same are provided. The self-shielding welding electrode contains rare earth aluminide in either the flux or the electrode portion of the electrode. The self-shielding welding electrode contains at least about 0.5% by weight of the flux of rare earth aluminide.

Abstract: An aluminum metal-core weld wire, the sheath being aluminum, the metal-core having a composition that contains primarily metallic alloying powders e.g. Manganese nitride and/or barium. A method for manufacturing aluminum metal-core wire, the method including depositing a core composition onto strip of aluminum, forming strip of aluminum into a tube containing core composition, and applying an inorganic lube to surface of tube, and drawing tube through reducing dies.

Abstract: According to one aspect of the present technique a novel ceramic contact tip extension is featured. The ceramic extension may comprise a zirconium-based material. According to another aspect of the present invention, a novel wire-feed welding system is featured. The welding system may feature an electrical power source, a wire-feeder having a wire electrically coupleable to the electric power source, and a welding implement adapted to receive a tubular metal wire from the wire-feeder. The welding implement has a contact tip and a contact tip extension. According to yet another aspect of the present technique, a method for protecting a contact tip is feature. The method comprises thermally insulating the contact tip.

Abstract: An aluminum metal-core weld wire, the sheath being aluminum, the metal-core having a composition that contains primarily metallic alloying powders e.g. manganese nitride and/or barium. A method for manufacturing aluminum metal-core wire, the method including depositing a core composition onto strip of aluminum, forming strip of aluminum into a tube containing core composition, and applying an inorganic lube to surface of tube, and drawing tube through reducing dies.

Abstract: A metal-core weld wire usable for gas shielded arc welding gapless joints on low carbon and low alloy galvanized and galvanealed steels. The metal-core weld wire includes a low carbon steel sheath surrounding a core composition. In one embodiment, the low carbon steel sheath includes, by total weight of the metal-core weld wire, between approximately 0.01-0.03% C, and the core composition includes, by total weight of the metal-core weld wire, between approximately 0.05-0.20% Ti, between approximately 0.05-1.00% Nb, Fe powder, and Mn to the extent that the metal-core weld wire includes between approximately 0.1-1.0% Mn wherein the metal-core weld wire includes between approximately 0.1-1.0% Si. The core composition is, by total weight of the metal-core weld wire, between approximately 0.001-12.0%. The metal-core weld wire provides, at weld rates up to 150 cm/min, reduced arc ionization potential and spatter, and improved arc stability and shielding.