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| Number | Title | Issue Date |
| 8044324 | Solid wire A solid wire contains C of 0.020 to 0.100 mass percent, Si of 0.25 to 1.10 mass percent, Mn of 1.20 to 1.65 mass percent, P of 0.008 to 0.017 mass percent, S of 0.045 to 0.150 mass percent, O of 0.0050 mass percent or less, N of 0.0050 mass percent or less, wherein ... | 10/25/2011 |
| 7812284 | Barium and lithium ratio for flux cored electrode Various slag systems exhibiting improved flow characteristics and weld puddle properties are provided. Also provided are flux cored electrodes for producing the noted slag systems and related methods of arc welding. ... | 10/12/2010 |
| 7491910 | Hardfacing electrode An electrode to form a hardfacing alloy for use as a surfacing on metal that is subjected to high thermal and mechanical stresses. The electrode includes chromium, a metal sensitization inhibitor, and iron to form a hardfacing alloy. ... | 02/17/2009 |
| 7325444 | Methods and systems for determining moisture transfer characteristics of welding materials Systems and methods are presented for determining a transfer characteristic of welding electrodes, flux, or other welding consumable, or materials used in producing welding consumables, in which an analytical scale or other weight measurement instrument is situated ... | 02/05/2008 |
| 7147725 | Colloidal silica binder system A welding flux that includes a flux agent, water glass and colloidal compound formed from small particles of silicon dioxide. The welding flux has a very low hygroscopicity, thus is well suited from low hydrogen electrodes. ... | 12/12/2006 |
| 7026576 | Welding wire and welding method using the wire A welding wire contains 0.025 mass % or less C, 1.3 mass % or less Si, 2.0 mass % or less Mn, 10 to 25 mass % Cr, 0.04 to 0.2 mass % N, Al and Ti in amounts (mass %) satisfying the relationship: e−800(x−0.05)2×e−300(yâˆ... | 04/11/2006 |
| 6940042 | Flux-cored wire for gas-shielded arc welding A flux-cored wire for gas-shielded arc welding comprises a steel sheath, and a flux filled in the steel sheath. The flux-cored wire has a C content of 0.20% by mass or below, a Si content in the range of 0.06 to 1.10% by mass, a Mn content in the range of 0.55 to 1.... | 09/06/2005 |
| 6712912 | Welding method, filler metal composition and article made therefrom A weld filler metal alloy composition and a method for welding stainless steel components into a final assembly includes the steps of: austenitizing the stainless steel components to be welded at a temperature of 1800° F.-2000° F.; applying, using conventional arc... | 03/30/2004 |
| 6710301 | Flux-contained welding wire A flux-contained welding wire is provided wherein a conductive core wire can be disposed without any complicate manufacturing steps performed on a metal outer layer. Flux is filled inside of the metal outer layer. The conductive core wire is disposed nearly in the c... | 03/23/2004 |
| 6603090 | Pulverulent filler and method for applying a wear-resistant layer Method for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated tungsten carbides and/or vanadium carbides to a surface which is to be protected using arc welding or plasma welding.... | 08/05/2003 |
| 6559417 | Flux cored wire for arc-welding of austenitic stainless steel The present invention discloses a flux cored wire for arc welding of austenitic stainless steel which can restrain bending and high temperature cracking, and prevent a bead from being drooped. A flux filled in a sheath consisting of 18-8 stainless steel(C... | 05/06/2003 |
| 6479796 | Flux-cored wire for gas-shielded arc welding of heat resisting steel A flux-cored wire for gas-shielded arc welding of heat-resisting steel in the form of a steel tube filled with a flux, which is characterized in that the content of slag-forming agent is 6.10-9.90 mass % (based on the total mass of the wire), said steel t... | 11/12/2002 |
| 6441334 | Gas shielded arc welding flux cored wire Realized is a welding wire containing flux used for a gas shielded arc welding of a direct current/positive polarity mode, with use of which a quantity of sputter generated is small, a good weldability is realized and a weld metal with an excellent toughn... | 08/27/2002 |
| 6340396 | Flux cored wire for welding duplex stainless steel A flux cored wire for welding duplex stainless steel, comprising a shell cored with a flux. The wire is good in pitting corrosion resistance and notch toughness. In the wire, the total of the shell and the flux comprises Cr, Mo and N in an amount of 21.0-... | 01/22/2002 |
| 6339209 | Electrode and flux for arc welding stainless steel A flux for use in arc welding of a stainless steel workpiece with a consumable metal electrode, which welding flux comprises a zirconia containing system for forming a slag on the surface of the deposited weld metal. The flux system contains zirconia, sil... | 01/15/2002 |
| 6322857 | Process for coating a workpiece with a nickel base alloy in powder wire form A material in powder or wire form on a nickel basis for the production of a coating with a high level of resistance to corrosion and wear by means of a thermal coating process is of the following composition (in percent by weight): ... | 11/27/2001 |
| 6242113 | Welding alloy and articles for use in welding, weldments and methods for producing weldments A nickel, chromium, iron alloy for use in producing weld deposits. The alloy comprises, in weight percent, about 27 to 31.5 chromium; about 7 to 11 iron; about 0.005 to 0.05 carbon; less than about 1.0 manganese, preferably 0.30 to 0.95 manganese; about 0... | 06/05/2001 |
| 6159310 | Wire for welding high-chromium steel To form a weld metal having improved hot cracking resistance, low temperature cracking resistance, toughness, strength, and corrosion resistance when welding high Cr steels containing 7.5 wt % or more Cr, the filler wire of the present invention has the r... | 12/12/2000 |
| 6156391 | Process for hard facing a metallic substrate to improve wear resistance A method for hard facing a tool. The method is carried out by thermally spraying the tool with a composition which includes between 11/2%-10% carbon, 0-3% fluorides, 11/2-5% boron, 20-40% chromium, 1-15% nickel and the remainder iron. The resulting coated... | 12/05/2000 |
| 6114656 | Welding methods for producing ultra-high strength weldments with weld metals having excellent cryogenic temperature fracture toughness Welding methods are provided for use in joining ultra-high strength, low alloy steels to produce weldments having tensile strengths greater than about 900 MPa (130 ksi) with weld metals having fracture toughness suitable for cryogenic applications accordi... | 09/05/2000 |
| 6042782 | Welding material for stainless steels A welding material for use in a consumable or non-consumable electrode welding of stainless steels, capable of forming a weld metal with excellent corrosion resistance and mechanical properties, being drawn into a welding wire easily. The welding material... | 03/28/2000 |
| 5861605 | High nitrogen flux cored welding wire for Cr-Ni type stainless steel A high nitrogen flux cored wire for welding of Cr--Ni type stainless steel is formed by filling a flux into a sheath of stainless steel. The flux is composed of N and nitrogen compound (total converted value of N): 0.05 to 0.30 wt % with respect to total ... | 01/19/1999 |
| 5857141 | Metal-core weld wire for welding galvanized steels 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... | 01/05/1999 |
| 5854463 | Flux cored wire for stainless steel Described is a flux cored wire for stainless steel which comprises a metal covering and flux filled inside of the metal covering. In the flux cored wire for stainless steel, the flux contains a slag forming agent in an amount of 6.0 wt. % to 13.0 wt. % ba... | 12/29/1998 |
| 5837969 | Method for welding cryogenic alloys An alloy comprising nickel, chromium, molybdenum, manganese, nitrogen and on in amounts such that a weld metal formed therefrom is austenitic, wherein nitrogen is present in a concentration of from about 0.1 to about 0.2% of the alloy in weight percent. T... | 11/17/1998 |
| 5824992 | Metal-core weld wire with reduced core fill percentage An improved metal-core weld wire, usable for joint and surface welding, having a steel sheath with a core, and a core composition disposed in the core of the steel sheath, wherein the core composition is between approximately 0.001-12.0% total weight of t... | 10/20/1998 |
| 5820939 | Method of thermally spraying metallic coatings using flux cored wire A method of thermally spraying at least one adherent metallic coating onto an unroughened cleansed aluminum or aluminum alloy substrate to produce a coated substrate, comprising: wire-arc thermally spraying of melted metallic bonding droplets and fluxing ... | 10/13/1998 |
| 5718776 | Steel plate less susceptible to welding distortion and highly bendable by lineal heating, process for producing said steel plate, welding material, and welding method using said welding material In the present invention, a steel product having a specified composition comprising by weight C: 0.02 to 0.25%, Si: 0.01 to 2.0%, Mn: 0.30 to 1.5%, Al: 0.003 to 0.10%, Nb: 0.005 to 0.10%, and Mo: 0.05 to 1.00% with the balance consisting of Fe and unavoid... | 02/17/1998 |
| 5688420 | Low-hydrogen-type covered arc welding electrode for high strength CR-MO steels A low-hydrogen-type covered arc welding electrode for high-strength Cr--Mo steels comprising a core wire and a covering material, is characterized in that the contents of components and impurities in the covered arc welding electrode are specified, the wa... | 11/18/1997 |
| 5569546 | Repaired article and material and method for making A composite weld wire, for use in repairing an article of a Co base alloy, comprises the sintered product of a mixture, by weight, of about 50-90% of the Co base alloy and about 10-50% of a Ni base alloy consisting essentially of, by weight, about: 1.5-2.... | 10/29/1996 |
| 5556561 | Method of forming a weld joint of austenitic stainless steel/ferritic steel A method of forming a weld joint between an austenitic stainless steel and a ferritic steel. The ferritic steel contains 0.03 to 0.12% carbon, 0.70% or less silicon, 0.10 to 1.50% manganese, 0.030% or less phosphorus, 0.015% or less sulphur, 1.50 to 3.50%... | 09/17/1996 |
| 5523540 | Welding electrodes for producing low carbon bainitic ferrite weld deposits Welding electrodes useful for gas metal-arc welding of low carbon steels such as HSLA and HY steels are provided. Those welding electrodes have a carbon content of up to about 0.05 weight percent, and form weld deposits with a low carbon bainitic ferrite ... | 06/04/1996 |
| 5519186 | Inert gas arc welding wire for high Cr ferritic heat-resisting steel A welding wire which can form a weld metal having excellent high-temperature creep strength, toughness and welding property when used in the inert gas arc welding of a high Cr ferritic heat resisting steel, such as 9 to 12% Cr-based steel used in various ... | 05/21/1996 |
| 5424127 | Ribbon for coating by torch spraying and its use for depositing a quasi-crystalline phase on a substrate The invention relates to a ribbon or bead for coating by torch spraying and its use For depositing a quasi-crystalline phase on a substrate. The bead or ribbon (1) comprises a core having an organic binder and a powder or a mixture of powders able to Form... | 06/13/1995 |
| 5332628 | Iron based ductile wire for forming a surfacing alloy system An iron base wear-resistant surfacing alloy characterized by the absence of cobalt. The alloy is in the form of a hollow ductile wire having a powdered metal core. The wire comprises a mild steel, and the composition of the wire and core, taken together, ... | 07/26/1994 |
| 5296677 | Filler metal for welding sintered materials Disclosed herein is a filler metal for joining (mainly by high energy density beam welding) a part of porous sintered material to a part of the same material or steel, which gives rise to a weld zone free of such defects as cold cracking and blowholes. Th... | 03/22/1994 |
| 5254836 | Method of arc welding with a ferrite stainless steel welding rod The ferrite stainless steel welding rod of this invention comprises the following: 0.03% by weight or less of carbon, 1.00% by weight or less of silicon, 1.00% by weight or less of manganese, from 16.0 to 21.0% by weight of chromium, from 0.30 to 0.80% by... | 10/19/1993 |
| 5124530 | Stable low fume stainless steel welding electrode The invention provides a coated electrode suitable for welding stainless steel. The coated electrode uses a stainless steel core wire. The flux contains by weight percent a total of 0 to 14.5 alkali metal and aluminum fluoride, about 0.5 to 12.5 cerium fl... | 06/23/1992 |
| 5093148 | Arc-melting process for forming metallic-second phase composites An arc-melting method is taught for the formation of metallic-second phase composite materials. The method involves the formation of an intermediate composite material comprising a relatively high loading of second phase particles dispersed in a metal mat... | 03/03/1992 |
| 4994647 | Covered electrode for use in arc welding of Cr-Mo type low alloy steels Described herein is a covered electrode for use in arc welding of Cr-Mo type low alloy steel, the covered electrode having a composition determined in consideration of the yield of each additive element as well as the relationship between the contents of ... | 02/19/1991 |
