Matches 1 - 45 out of 45


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6372180 Method of making mg treated iron with improved machinability  
A process of producing magnesium-treated iron such as spheroidal graphite iron (SGI), compacted graphite cast iron (CGI) containing inclusions that deform plastically during machining, said process...
6372014 Magnesium injection agent for ferrous metal  
A treatment agent and method to introduce magnesium into ferrous material. The treatment agent includes a mixture of high melting temperature particles and magnesium particles. The content of high...
6015448 Process for pig iron desulphurization  
Disclosed is a process for desulphurization of a pig iron melt for further processing wherein the melt is brought into close contact with a ground solid slag. As desulphurizing agent, the slag...
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...
4889688 Process of producing nodular cast iron  
Conventionally, heat treatment was necessary in the final stage of producing nodular cast iron products to give the nodular cast iron with desired mechanical properties. This was necessary because...
4874576 Method of producing nodular cast iron  
In a process of producing nodular cast iron wherein molten cast iron is treated in two stages with elements for inducing a formation of a predominantly nodular graphite, the crystallization of the...
4601751 Process for the production of cast iron containing spherical graphite  
A process for the production of cast iron containing spheroidal graphite is disclosed. In the process, the iron melt, which contains sulphur, is treated with metallic magnesium, forming unstable...
4600434 Process for desulfurization of ferrous metal melts  
A process for magnesium desulfurization of ferrous metal melts in a vessel comprising the provision of a fluid, high sulfur capacity slag wherein the weight ratio of slag constituents associated...
4459154 Alloy and process for producing and casting ductile and compacted graphite cast irons  
This invention relates to a new and unique alloy composition and to the method of treating molten cast iron with such alloy to produce ductile and compacted graphite cast irons. The alloy is a...
4409028 Process for producing cast iron  
A method of using a rare earth and carbon dioxide to control the quality and quantity of graphite in cast iron.
4396428 Processes for producing and casting ductile and compacted graphite cast irons  
The present invention is directed to processes and apparatus for carrying out said processes wherein molten cast iron is treated with a predominantly iron alloy having the essential elements by...
4292075 Slow fade inocculant and a process for the inocculation of melted cast iron  
A slow fade cast iron inocculant is made up of (a) a silicon-containing matrix of iron silicon alloys and having a crystal structure, (b) compounds, present in the matrix crystal structure, of...
4246026 Manufacturing process of vermicular graphic cast-irons through double modification  
A two-stage method of making vermicular graphite cast iron in which a first alloy is introduced into the ladle into which the iron is cast and then the vermicular graphite level is measured. A...
4224064 Method for reducing iron carbide formation in cast nodular iron  
A method for the production of cast nodular or ductile iron wherein molten iron having been first contacted with a graphite-spheroidizing agent is after-treated with an alloy consisting essentially...
4084962 After-treating alloy for making nodular iron  
An improvement in a process for making modular iron is disclosed. Prior to casting, an iron melt which has previously been contacted with a graphite-spheroidizing agent is further contacted with an...
3984233 Ferrous metal network impregnated with rare earth metals  
A composition of matter comprising a mass of ferrous scrap pieces compressed together in random orientation forming a network of interlocking pieces has been prepared.This ferrous metal network is...
3965962 Process for producing ductile iron casting  
A process for producing sound ductile cast iron crank shafts without the use of chillers and also with no, or substantially no, blind risers at the upper ends of the cast crank shafts in the bottom...
3955973 Process of making nodular iron and after-treating alloy utilized therein  
An improvement in a process for making nodular iron is disclosed. Prior to casting, an iron melt which has previously been contacted with a graphite-spheroidizing agent is further contacted with an...
3765876 METHOD OF MAKING NODULAR IRON CASTINGS  
The method of producing a nodular cast iron casting comprising the melting of a cast iron bath of low sulphur content and near eutectic composition with a chill value of no more than eight...
3663212 NODULAR IRONS AND METHOD FOR CONTROLLING SAME  
Method for controlling number of nodules per unit volume in malleable and ductile irons by the incorporation of both titanium and tellurium as essential components in the range of 0.003 to 0.05...
3661566 PROCESS FOR THE TREATMENT OF NODULAR CAST IRON  
A process for the treatment of molten iron to produce castings having a graphite nodular structure in which the molten cast iron is first treated with a nodulating alloy containing magnesium and...
3607227 PRODUCTION OF SPHEROIDAL GRAPHITE IRONS  
A method of producing spheroidal graphite irons from starting materials consisting predominantly or entirely or unselected ferrous scrap is provided. In the method, a ferrous bath is subjected to...
3562027 PIANO PLATE OF LOW LOSS FACTOR  
3421887 PROCESS FOR PRODUCING A MAGNESIUM-CONTAINING SPHERICAL GRAPHITE CAST IRON HAVING LITTLE DROSS PRESENT  
3421886 CAST IRON WITH AT LEAST 50% OF THE GRAPHITE IN VERMICULAR FORM AND A PROCESS FOR MAKING SAME  
3415307 Process for casting ductile iron  
3393996 Treating agent for ferrous metals  
3332772 Purification of molten ferrous base metals  
3329496 Method for producing a fine graphite cast iron  
3309197 Nodular graphite cast iron containing calcium and magnesium  
3155498 Ductile iron and method of making same  
3113019 Nodular iron production  
3076705 Method of producing nodular iron  
3042513 Production of nodular iron  
3035911 Cast iron  
2933385 Process for the production of nodular cast iron  
2915386 Device for supplying treating agents sequentially to molten metal  
2906617 Method for a thorough desulfurizing of molten metal and in particular of liquid pig iron  
2877111 Process for producing cast iron  
2870004 Method of producing nodular cast iron  
2841489 Nodular cast iron and process of making same  
2841490 Method for making improved gray cast iron  
2822266 Method of preparing nodular graphite iron  
2821473 Method of making nodular cast iron  
2816829 Nodular iron manufacture  
Matches 1 - 45 out of 45