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JP4111637B2 |
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JP4109734B2 |
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JP2008142693A |
To solve a problem of being required for an iron powder for decomposition having a high decomposition performance of organic chlorinated compounds in a solid such as in soil and also having a low Ni content.The iron powder for decomposit...
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JP4097880B2 |
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JP2008121084A |
To provide a carbide-precipitated cast iron material exhibiting high Young's modulus even in the case the amounts of Nb, Mo, V and W to be added are made relatively small, thus having high rigidity, and to provide its production method.A...
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JP2008518099A |
A wear resistant, high chromium white iron, in an unheat-treated condition has a microstructure substantially comprising austenite and M7C3 carbides. The white iron contains at least one martensite promoter and at least one austenite sta...
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JP2008121083A |
To provide a TiC-dispersed cast iron material having a Young's modulus though being admixed with Ti, thus having high rigidity, and to provide its production method.A molten metal comprising, by mass, 2 to 3.8% C, 0.6 to 4% Si and 0.3 to...
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JP2008080385A |
To provide a cast iron member for cast-in insert whose adhesion with an aluminum material matrix can be improved compared with the conventional cast iron member for insert casting for a cylinder liner or the like.The cast iron member is ...
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JP2008510071A |
The present invention relates to cast iron materials. The present invention relates in particular to new cast iron materials suitable for the manufacture of piston rings, having a substrate structure consisting of ferrite having excellen...
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JP2008069428A |
To improve the durability and wear resistance of a die molding face formed with a surface layer obtained by using a carbon-solid-soluted iron material in which carbon is solid-soluted in a supersaturated state.The surface layer is formed...
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JP4063700B2 |
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JP4059290B1 |
To provide a thin-walled spheroidal graphite cast iron having a wall thickness of 2.5 to 1.5 mm, which can be applied to low-oxygen and low-sulfur thin-walled spheroidal graphite cast iron having a high spheroidization rate of spheroidal...
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JP4051167B2 |
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JP2008002762A |
To provide a levitation melting device capable of manufacturing a casting by a simple structure, and a manufacturing method of a heating cooker using it.In the levitation melting device melting spheroidal graphite cast iron, ferrosilicon...
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JP2007327083A |
To provide spheroidal graphite cast iron having high strength and high elongation as-cast without performing heat treatment, and having robust mechanical properties, and to provide its production method. The spheroidal graphite cast iron...
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JP4020277B2 |
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JP2007309368A |
To provide an iron-based sintered friction member containing iron or its alloy as a main component, considering environmental protection, without using a PRTR code specified chemical substance at all, and also to provide a railroad vehic...
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JP2007534907A |
For the production of piston pins having a hard peripheral area, a relatively inexpensive chill casting method is used. A chill form having a mold cavity for a piston pin is embedded in a casting mold, cast iron is poured into the mold c...
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JP3999109B2 |
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JP3996989B2 |
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JP2007268554A |
To extend the service life of a die by reducing the wastage in local parts of the inner peripheral surface which is caused on the die of an O-ing press for forming the large-diameter steel pipe which is used when forming the large-diamet...
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JP2007270277A |
To provide a technique where a cast iron sintered material having excellent vibration damping capacity can be obtained utilizing inexpensive, easily obtainable cast iron machined chips without using expensive equipment and applying expen...
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JP3992281B2 |
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JP2007527951A |
The invention relates to a iron material with graphite flakes, which in a simple manner allows the respective optimal properties to be adjusted for a wide product range by varying the contents of the respective alloy components. For this...
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JP2007245234A |
To provide a method for manufacturing a sliding component of a compressor capable of manufacturing the sliding component at low cost compared with a method for manufacturing the sliding component of the compressor by "producing a sliding...
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JP3981722B2 |
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JP3977461B2 |
The present invention relates to a roll, comprising cemented carbide and cast iron. The roll may be used for hot or cold rolling. The cast iron has the following composition in addition to Fe, in weight %, Si 1.9 - 2.8, Mg 0.02 - 0.10, N...
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JP3975600B2 |
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JP3975435B2 |
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JP3971074B2 |
To provide a multilayered build-up carbon dioxide shielded arc welding method for Ni-hard cast iron base metals which is capable of forming high- hardness metal build-up layers without the occurrence of peeling or chipping and without de...
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JP3971217B2 |
To attain the improvement of quality of ductile cast iron tube by a centrifugal casting method and the simplification of the process. The cast iron tube has components containing 3.0 to 4.0% C, 1.5 to 3.0% Si, 0.1 to 0.4% Mn, ≤0.05% P ...
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JP3970190B2 |
To provide an iron based casting which has excellent machinability, and is suitable as the stock for a quenching type cam shaft. A flake graphite cast iron casting has a composition comprising, by mass, 0.05 to 0.12% S and 0.2 to 0.7% Cu...
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JP3971220B2 |
To provide a joint with mechanical properties equal to or more excellent than those of original metals by friction welding of ductile cast iron. The joint is obtained by applying friction welding to the ductile cast iron materials either...
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JP2007216538A |
To provide a lithographic printing plate material which is in printing wear in a high resolution printing such as FM screening, and tone reproducibility, and is superior in small loss of papers until an appropriate printed matter is obta...
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JP3964675B2 |
A non-austemper-treated spheroidal graphite cast iron obtainable without being subjected to an austemper treatment. The non-austemper-treated spheroidal graphite cast iron has a tensile strength of 650 - 850 MPa and an elongation of 7.0 ...
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JP3962838B2 |
To provide a roll for hot-rolling excellent in resistance to surface roughening the wear resistance of a high-speed steel alloy of which is secured and also pit-like flaws on the roll surface of which are reduced. The outer shell layer o...
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JP3963684B2 |
To provide a cast iron member which is excellent in wear resistance and has high-strength. This producing method for a cast iron member comprises the following three process. The first process S1 is a process of preparing a starting mate...
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JP3960378B2 |
To provide spheroidal graphite cast iron having excellent low temperature toughness in which sufficient toughness can be provided even in an environment of ≤-60°C, and to provide a production method therefor. The absorbed energy value...
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JP3959764B2 |
To obtain high strength and superior machinability without causing precipitation of chilled crystal at the time of casting, by adding specific amounts of manganese and rare earth element or misch metal to a sulfur-containing cast iron. A...
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JP2007196257A |
To provide a roll for rolling in which problems in the conventional rolling roll are solved, and which has an external layer having excellent wear resistance and roughening resistance, and further having extremely excellent toughness. Th...
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JP2007197747A |
To provide a cast iron containing spheroidal graphite, which has both of satisfactory machinability before being quenched (as cast state) and satisfactory hardenability when being hardening-treated. The cast iron containing spheroidal gr...
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JP2007185681A |
To provide the outer layer of a rolling roll and the rolling roll which are provide with excellent wear resistance, toughness and the homogeneity of a carbide and also very excellent in thermal-crack resistance.The rolling roll has an ou...
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JP3949872B2 |
To reduce the appearance of spotted segregation in the outer layer of a rolling roll formed by centrifugal casting using grain cast iron for the outer layer. This outer layer of the rolling roll is made of cast iron material consisting o...
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JP3947413B2 |
To provide a process for manufacturing a highly pure cast iron which yields a sufficient inoculation effect. The content of each impurity element other than Fe, C, Si, P, S, Mg and Mn in a molten material after a melting step is adjusted...
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JP3946071B2 |
To provide a process for improving mechanical properties of a ductile cast iron by controlling an amount of Bi added to the cast iron for diminishing graphite. The ductile cast iron comprises 3.0-4.0% C, 1.5-3.0% Si, 0.1-0.4% Mn, ≤0.05...
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JP3945935B2 |
To provide a composite roll for hot roiling made by centrifugal casting having excellent wear resistance and surface roughening resistance, moreover excellent in accident resistance and stably applicable to a final stand in hot finish ro...
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JP2007175736A |
To provide a composite roll for rolling obtained by soundly joining an external layer having excellent wear resistance and roughening resistance and an internal layer having toughness at high strength, and to provide its production metho...
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JP2007168212A |
To provide a photosensitive printing plate material having excellent plate wear, scumming resistance in printing, especially after printing suspension for a long time and also scumming resistance at the time of imprinting, and a support ...
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JP3936849B2 |
To provide ferritic spheroidal graphite cast iron which has heat resistance higher than that of the conventional one, and is produced inexpensively, by a simple method. The ferritic spheroidal graphite cast iron has a composition contain...
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JP3939014B2 |
To suppress the generation of a chill structure in cast iron, to stably secure its tensile strength and to satisfactorily maintain its machinability at the time of machining by adding specified amounts of S and rare earth elements into c...
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