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Class 219/146.24 - Metal deoxidizer or denitrogenizer


Subclass of Class 219 - Electric heating
Definition: Subject matter including a scavenger of oxygen or nitrogen
No. of patents: 35
Last issue date: 08/31/2004


NumberTitleIssue Date
6784402Steel wire for MAG welding and MAG welding method using the same
A steel wire for MAG welding in DC-electrode negative contains about 0.20% by mass or less of C, about 0.25% to about 2.5% by mass of Si, about 0.45% to about 3.5% by mass of Mn, about 0.005% to about 0.040% by mass of rare-earth elements, about 0.05% by mass or les...
08/31/2004
6713723Basic flux cored wire with excellent weldability
Disclosed is a basic flux cored wire having a mild steel or an alloy steel sheath filled with flux, characterized in that the flux essentially consists of, with respect to the total weight of the wire: 0.3 to 3.0% Ti and Ti oxide (TiO2-converted value); 1...
03/30/2004
6414269Pit and blow hole resistant flux-cored wire for gas-shielded arc welding of galvanized steel sheet
The present invention discloses a pit and blow hole resistant flux-cored wire for gas-shielded arc welding of a galvanized steel sheet. Here, an amount of flux ranges from 10 to 20% by weight of the wire, and an amount of a mild steel sheath ranges from 8...
07/02/2002
6068177Continuous hot rolling method
A continuous hot rolling method including the steps of: cutting the tail portion of a preceding material in a steel product and the front portion of a succeeding material in the steel product to form butt faces; previously determining the thickness of sca...
05/30/2000
5820939Method 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
5403377Flux-cored wire
Disclosed is a flux cored wire for low alloy steels and high alloy steels which is excellent in arc stability and moisture absorption resistance of fume/slag. In this flux-cored wire, the flux components and the flux ratio are specified within the followi...
04/04/1995
5225661Basic metal cored electrode
A consumable welding element for arc welding comprising a steel sheath surrounding a compacted core containing metal alloying powders and an essentially 100% basic compound in an amount less than about 1.60% of the total weight of said element. The basic ...
07/06/1993
5091628Low hydrogen basic metal cored electrode
A consumable welding element for arc welding comprising a steel sheath surrounding a compacted core containing metal alloying powders and an essentially 100% basic compound in an amount less than about 1.60% of the total weight of said element. The basic ...
02/25/1992
5003155Basic metal cored electrode
A consumable welding element for arc welding comprising a steel sheath surrounding a compacted core containing metal alloying powders and an essentially 100% basic compound in an amount less than about 1.60% of the total weight of said element. The basic ...
03/26/1991
4999479Electrode wire
The invention relates to the field of welding. Disclosure is made of a wire comprising a metal body (1) having a longitudinal cavity (3) filled with a charge (2) comprising at least one constituent from the group consisting of alloying and slag-forming co...
03/12/1991
4817859Method of joining nodular cast iron to steel by means of fusion welding
A component made of nodular cast iron is joined to a component made of steel by means of fusion welding, a Fe alloy containing 2 to 4% by weight of silicon and seeding materials for the purpose of globular carbon precipitation in the welding zone being us...
04/04/1989
4723061Gas shielded, flux cored, welding electrode
A flux cored welding electrode for use in electric arc welding with a shielded gas, which electrode includes a tube of low carbon steel having on the inside thereof a titanium dioxide based flux with fluxing ingredients including aluminum oxide in the amo...
02/02/1988
4717536Weld bead electrode for producing same and method of use
Weld bead analysis and electrode capable of producing same, which in multiple pass welding of thick steel plates, results in fine grain structure and high impact strength. The analysis includes as necessary ingredients, titanium, nitrogen and chromiumwith...
01/05/1988
4551610Tubular welding electrode
A formulation for the flux in a cored-type electric arc welding electrode which produces high impact value welds while welding vertically up or overhead and at greater melt-off rates than heretofore. The major flux ingredients are lithium oxide, iron oxid...
11/05/1985
4510374Flux-cored wire electrode suitable for use in gas-shielded arc-welding
A flux-cored wire electrode suitable for use in gas-shielded arc-welding, characterized in that the sum of the carbon content in the sheath made of soft steel and the carbon content in a lubricant adhered on the sheath is 0.045 wt. % or lower relative to ...
04/09/1985
4503129Shielded metal arc welding electrode for Cr-Mo low alloy steels
A shielded arc welding electrode containing in a core wire or a covering flux thereof alloy elements in the proportions satisfying the following conditions. ##EQU1## in which Bw is a coefficient of yield in deposited metal of a wire-o...
03/05/1985
4465921Flux-cored wire for gas-shielded arc welding
A flux-cored welding electrode for gas-shielded arc welding comprising a mild steel sheath and a flux core, said flux core having the following composition based on the total weight of the electrode: TiO2 -4 to 8.5% Mg-0.2 to 0.8% Ti-0.03 to 0.7% B-...
08/14/1984
4430545Method for submerged-arc welding a very low carbon steel
A method for producing line pipe of high strength and high toughness by the submerged-arc welding process in which a welding wire containing 0.18-0.55% C. is used, Ti or B or both are added to the welding wire or flux or both, and a steel containing 0.005...
02/07/1984
4367394Coated electrode for arc welding
A coated electrode for arc welding, comprising a steel wire core having a flux coating therein, the flux consisting essentially of 6-24% of TiO2, 2-15% of MgO, 10-30% of SiO2, 5-15% of Mn, 1-6% of Al2 O3, 20-60%...
01/04/1983
4366364Flux-cored wire for use in gas-shielded arc welding
A flux-cored wire for use in gas shielded arc welding wherein flux of the following composition (weight % with regard to the entire wire) is inserted as a core into a metallic casing and the whole hydrogen content (H) of the wire is defined as 15 ppm ࣘH...
12/28/1982
4363951Both-side single layer, high speed submerged arc welding process
A process for both-side single layer, high speed submerged arc welding of steel plate for use in low-temperature applications having a particular chemical composition with a welding flux and welding wire is disclosed. The welding flux comprises 20 to 30 w...
12/14/1982
4349721Coated welding electrode of basic type suitable for vertical down welding of pipes
There is provided an improved basic coated welding rod for downhand welding of fixed pipes. The coating contains by weight on a dry basis 22 to 28% of calcium carbonate, 1.5 to 3% of calcium fluoride, 7 to 14% of titanium dioxide, 35 to 55% of iron, and 5...
09/14/1982
4282420Welding electrode
A flux-cored welding electrode is disclosed having a generally tubular sheath and a core defined within the sheath, wherein the core includes a slag forming system comprising from about 5 to 9 percent titanium dioxide, less than about 2 percent calcium fl...
08/04/1981
4256949Method and wire for submerged arc welding of pipe
A combination of welding wire and welding flux for submerged arc welding of high strength low alloy pipe which require low temperature impact properties of at least 30 ft./lb. at -13° F. The wire consists essentially of 2.0 to 3.5 wt. % manganese; 0.01 w...
03/17/1981
4251711Low-hydrogen coated electrode
Coated electrode which can produce a weld metal showing good impact toughness and good COD values. This coated electrode comprises a carbon steel and a coating composition comprising 2 to 12% calculated as TiO2 of a titanium oxide, 0.2 to 8% of...
02/17/1981
4245145Ferritic stainless steel weld wire suitable for GMA welding
A ferritic stainless steel weld wire for forming a ferritic weld deposit free of martensite under a gas blanket containing a reactive component. The weld wire contains in weight percent about and the balance iron. The ratio of the weight percent titanium to th...
01/13/1981
4229643Consumable welding electrode
A consumable welding electrode, a method of electroslag welding using such an electrode, and an electroslag weld deposit produced by the use of the welding electrode and welding method of the invention. The welding electrode, while not restricted thereto,...
10/21/1980
4228342Electroslag weld deposit
A consumable welding electrode, a method of electoslag welding using such an electrode, and an electroslag weld deposit produced by the use of the welding electrode and welding method of the invention. The welding electrode, while not restricted thereto, ...
10/14/1980
4225768Coated electrode suitable for the welding of gray cast iron parts
A coated electrode suitable for the welding of gray cast iron is provided comprising a core of iron or iron alloy with a coating thereon of a composition which on the dry weight basis contains 5% to 10% of a binder of an alkali metal silicate, 25% to 50% ...
09/30/1980
4214145Mild steel, flux-cored electrode for arc welding
A mild steel flux-cored electrode is disclosed for use in arc welding mild and low alloy steels, which electrode complies with the specification of the American Welding Society (AWS A5.20-69) classification E70T-1. The electrode has an external diameter o...
07/22/1980
4203024Flux-cored electrode for welding steels in carbon dioxide
A flux-cored electrode intended for arc welding of steels in carbon dioxide s characterized in having a casing of a low-carbon steel filled with a powder flux containing (in weight percent): calcined magnesite: 4-8, feldspar: 6-9, calcium fluoride: 4-5.5, titan...
05/13/1980
4186293Cored type welding electrode
A cored type welding electrode which enables good penetration, has an improved range of welding voltages, produces low smoke and provides a weld deposit having good impact properties. The flux contains larger than normal quantities of basic oxides, contro...
01/29/1980
4139758Method of arc welding under water
In a method of arc welding under water or at superatmospheric pressure (or both) the weld is made in a chamber containing a gaseous atmosphere. The weld metal is deposited from flux-cored welding wire whose core contains strong deoxidant(s) such as alumin...
02/13/1979
4131781Submerged arc welding process for nickel containing steel
This invention provides a process involving submerged arc welding for nickel containing steel such as steel containing 3.5 weight percent of nickel. The process uses a bond type flux of specific composition to suppress the oxygen content in the weld metal...
12/26/1978
4029934Welding, and a steel suitable for use therein
A steel which contains up to 0.15% carbon, 0.5 to 1.5% manganese, 0.03 to 0.10% silicon, 0.2 to 0.6% molybdenum, up to 0.05% aluminium, 0.03 to 0.05% titanium and 0.002 to 0.008% boron is particularly suitable as a welding consumable, for example as an el...
06/14/1977
 
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