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7425229 |
Chromium-free welding consumable
A chromium-free welding consumable and a method of welding stainless steel to reduce the presence of chromium emissions. The consumable is made from an alloy that reduces the emission of chromium...
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7101413 |
Method of applying flux to molten metal
A method of applying flux to molten metal. A heat insulating shell comprises a porous ceramic fibrous refractory material. The shell includes an opening therein. A fluxing material is poured into...
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6770366 |
Cored wire for introducing additives into a molten metal bath
The invention relates to a cored wire for introducing additives into a molten metal bath comprising a metallic sheath ( 5 ) containing an additive ( 6 ), which metallic sheath is covered by a...
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6679936 |
Molten metal degassing apparatus
A tool or fluxing head for fluxing molten metal that comprises a fluxing gas supply line that communicates with the interior of an inverted plunger cup providing a hollow interior into which...
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6508857 |
Method for treating molten metal with cored wire
A cored wire consisting of an inner calcium wire surrounded by an aluminum sheath forming a composite core which in turn is encased in a steel jacket. The cored wire is formed continuously by...
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6471742 |
Method for producing an improved charging stock for use in metallurgical processes
A method for producing an improved charging stock for use in further metallurgical processes including the steps of providing a source of molten metal of known composition, providing a source of...
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6346135 |
Cored wire for treating molten metal
A cored wire consisting of an inner calcium wire surrounded by an aluminum sheath forming a composite core which in turn is encased in a steel jacket. The cored wire is formed continuously by...
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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...
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6280498 |
Synthetic resin fuel for making iron and method for making iron
A synthetic resin fuel for stable production of pig iron in a blast furnace. It is in the form of cylindrical pellets, each measuring X mm in thickness and Y mm in diameter, with X and Y satisfying...
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6210460 |
Strontium-aluminum intermetallic alloy granules
Compositions suitable for use as an inoculant for cast iron. The composition includes granules of intermetallic alloys selected from Al 4 Sr, Al 2 Sr, and AlSr. The composition consists...
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6077326 |
Steel additive for processing molten steel
An additive for the deoxidation of molten steel comprised of between 35 and 65 percent by weight aluminum, between 5 and 15 percent by weight silicon, and between 20 and 40 percent by weight...
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6024777 |
Compacted steel powder alloying additive for aluminum melts, method of making and method of using
A compacted steel powder in particulate form is used as an alloying additive for aluminum melts. The additive is in the form of a wafer which is smooth on one side and corrugated on the other side...
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5989305 |
Feeder of a solid organometallic compound
A feeder of a solid organometallic compound is obtained by filling a container up to 50-80 vol % of the total capacity of the container with stainless steel support whose pore ratio is adjusted to...
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5776225 |
Refractory metal sponge fines composition
A clean refractory metal sponge fines product is made from refractory metal sponge fines free of refractory metal oxides, carbides, nitrides and binary iron alloys; silicon carbide, oils, greases...
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5738704 |
Charging stock for steel production
An improved charging stock for steel production which facilitates earlier and more uniform carbon oxidation, and increases the rate of oxygen transport in the melt, comprises and iron-carbon alloy...
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5597401 |
Refractory metal SWARF composition and method of making same
A clean refractory metal SWARF particle product is made from refractory metal SWARF. The SWARF particles are produced with coolant at a temperature less than 650° C. to prevent formation of...
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5403377 |
Flux-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...
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5376160 |
Agent for the treatment of metal melts
The invention concerns an agent for treating metal melts in the form of a cored wire comprising a metallic sheath of steel or iron and a filling which contains a compound that splits off gas at the...
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5332418 |
Covering for molten metal and process for producing the same
A pulverulent insulating and purifying covering (3) for the surface of liquid metal (2) contained in a metallurgical receptacle (1), comprises a layer (4) which includes at least one metallic oxide...
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5264023 |
Cored wire with a content of passivated pyrophoric metal, and the use thereof
The invention concerns a cored wire comprising a metal tube and a filling of magnesium or other pyrophoric metals passivated with from 0.5 to 5% by weight of organic nitrogen compounds. As the...
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5205856 |
Inoculation wire
The present invention provides an inoculation wire consisting of a hollow wire, containing powdered ferrosilicon, with a sheeth of steel, copper, nickel or aluminum alloy, for the production of...
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5192360 |
Water-soluble flux for cored solder
A non-toxic, non-corrosive water-soluble flux for cored solders comprises citric acid. The flux of the invention produces solder joints of high metallic luster and excellent quality. Clean-up of...
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4956010 |
Method of desulphurizing pig-iron
The method concerns the desulphurization of cast iron produced by a blast furnace, before it is converted to steel. In a first phase of the process the cast iron is treated with a desulphurizing...
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4897114 |
Nitrogen-containing additive for steel melts
The present invention provides a nitrogen-containing additive for steel melts based on calcium cyanamide, wherein it is in the form of a cored wire consisting of a metallic sheath and...
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4892580 |
Lead-containing additive for steel melts
The present invention provides a lead-containing additive for steel melts, wherein it is in the form of a cored wire consisting of a metallic sheath and finely-divided filling material, the...
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4880462 |
Rapidly dissolving additive for molten metal method of making and method of using
The present invention provides a rapidly dissolving additive for molten metal, wherein it contains 2 to 50% by weight of a component A, which consists of an alkali metal aluminium fluoride and/or...
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4849165 |
Metal treatment agents
Metallurgical treatment agents for molten ferrous metals e.g. iron and steel and suitable for e.g. desulphurizing molten iron and steel comprise particulate magnesium coated with a first coating of...
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4832742 |
Flexible refining-agent clad wire for refining molten iron group metal
The disclosed flexible refining agent clad wire comprises a core wire made of refining agent for iron, steel or the like metal, which core wire is clad with a metallic sheath that is made of iron...
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4738714 |
Powder filled tube and a method for the continuous manufacture of such tube
A powder filled tube has a steel outer wall which consists of two layers formed as two complete turns of a spiral made from a single strip and welded together at their interface to form a unitary...
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4708739 |
Grain refining metals
The invention provides a grain refinement method for copper-based metals, which method can be applied to a range of different types of such metals. In accordance with the method, one arranges that...
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4698095 |
Composite calcium clads for treating molten iron
Composite calcium materials to be used for welding or refining steel, nickel, nickel alloy or iron alloy, which are produced by cladding a sheath of aluminum, iron or alloys thereof and a core...
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4671820 |
Composite calcium clads for deoxidation and desulfurization from molten steels
Composite calcium materials to be used for welding or refining steel, nickel, nickel alloy or iron alloy, which are produced by cladding a sheath of aluminum, iron or alloys thereof and a core...
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4652299 |
Process for treating metals and alloys for the purpose of refining them
The refining additive is an alloy in the form of granules of a metal selected from the group of alkaline earth metals and zinc with a small quantity of a metallic element capable of giving the...
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4555265 |
Method of treating steel with calcium, to obtain a steel well adapted to cold forming, with a low silicon content
The invention concerns the production of steels which have an isotropic structure, are very well adapted to cold forming particularly by pressing and which have a very low silicon content. The...
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4496393 |
Immersion and vaporization chamber
A plunging capsule for introducing a highly volatile, vaporizable additive, such as pure magnesium, into a metal melt in a treatment vessel comprises a wall oriented vertically in an operating...
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RE31589 |
Thermal insulation molten metal
There is disclosed a material and method for preventing heat loss from molten metal, one side of this material being impregnated with heat insulating refractory or exothermic material. The...
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4315972 |
Casting whose molding takes place during its recovery by means of filtration-dehydration
A casting consisting of a dehydrated agglomerate of particulate material and shaped such that one of its right angle projections is in the form of a trapezoid whose sides include angles greater...
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4308056 |
Method and apparatus for introducing solid substances into liquid metals
Solid substances are introduced into a bath of molten metal by pushing a hollow metal tube filled with the solid substance, through a tubular former that imparts a spiral shape to the carrier tube....
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4297133 |
Method and means for adding treating agent for molten metal
A method of and a member for adding a treating agent for molten metal, wherein an additive or treating agent such as a desulfurizing agent or a deoxidizing agent is enclosed in a container made of...
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4277282 |
Method of melt dispersing a floatable solid additive in molten metal and a melt dispersible, floatable, solid additive therefor
A melt dispersible, floatable, solid additive for molten metal comprises an elongated body of the additive with a band or bands of a thermal barrier providing material therearound which is...
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4251267 |
Method for direct reduction of metal oxide to a hot metallized product in solid form
A method for the continuous direct reduction of metal oxides, ores, etc. to a hot metallized product in solid form. A unique gas seal is employed to prevent the leakage of reduction gas from the...
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4200456 |
Method of and member for adding treating agent for molten metal
A method of and a member for adding a treating agent for molten metal, wherein an additive or treating agent such as a desulfurizing agent or a deoxidizing agent is enclosed in a container made of...
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4175918 |
Elongate consolidated article and method of making
An elongate consolidated article for treating molten metal has a multiplicity of elongate fibers embedded within a coherent matrix of treating agent.
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4174962 |
Filled tubular article for controlled insertion into molten metal
A filled tubular article includes an elongated metal conduit having a melting temperature above the temperature of a molten metal in which the article is immersed. A core having first and second...
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4126446 |
Packages for the storage of air and moisture sensitive metallurgical additives and the use of such packages
The use of a container in a metallurgical process, said container comprising two or more components which are clinched or crimped together, said container having contents which comprise an air,...
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4108637 |
Sheathed wire feeding of alloy and inoculant materials
A method of treating molten metals is disclosed which employs a solid sheathless flexible strand containing particles of the treating agent uniformly suspended in a binder matrix, the latter being...
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4107393 |
Inoculation article
An article for insertion into and inoculating molten metal is an elongated steel conduit having ferro-silicon material within the conduit. The ferro-silicon material has a silicon content greater...
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4102680 |
Device and method for suppressing active slag
The subject invention involves providing a device which is utilized to quell, dampen, arrest, deactivate, or minimize an active layer of extremely hot slag on a body of molten metal in a receptacle...
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4083716 |
Magnesium base treating agent of molten iron
A magnesium base treating agent of molten iron characterized in that magnesium in the form of particle, powder or piece, having particle size of approximately less than 5 mm, contains one or more...
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4035892 |
Composite calcium clad material for treating molten metals
Composite calcium materials to be used for welding or refining steel, nickel, nickel alloy or iron alloy, which are produced by cladding a sheath of aluminum, iron or alloys thereof and a core...
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