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JP3458356B2 |
PURPOSE: To develop the combination roll which has high hardness at room temp. and high temp. and is highly resistant to wear by constituting the roll to be used for rolling, etc., of steel products of an outside layer made of a cast iro...
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JP3458357B2 |
PURPOSE: To develop the combination roll having an outside layer which is less thermally deformed during use and is highly resistant to wear by constituting the roll to be used for rolling, etc., of steel products of an outside layer mad...
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JP2003293073A |
To reduce the cost of parts joined by brazing, such as pipe joints, by providing a brazable flake graphite cast iron material.The flake graphite cast iron material is heat treated in the atmosphere gas obtained by reacting hydrocarbon an...
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JP2003293948A |
To provide materials that excel in wear resistance by combining high rigidity vermicular cast iron for a crankshaft for creating power and an iron sintered bearing material for supporting rotation of the crankshaft, in a refrigerant comp...
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JP3456635B2 |
To provide a stainless spheroidized carbide cast iron which sufficiently possesses all characteristics, such as corrosion resistance, wear resistance, toughness, and can apply in the wide range of a chemical industry and various industri...
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JP3448021B2 |
To provide a double-layered roll for hot rolling using a high speed steel based material as an external layer, having excellent wear resistance and also having excellent roughening resistance, thermal cracking resistance and crack propag...
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JP2003254096A |
To provide an exhaust brake device excellent in sticking resistance and corrosion resistance between a shaft member supporting a valve element and bearing members.In the exhaust brake device, the valve element 14 disposed in the inner pa...
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JP2003253374A |
To provide a carbon steel and an alloy steel, which have greatly improved mechanical characteristics compared to conventional steels by finely controlling spheroidized-graphite in the carbon steel and the alloy steel.Test pieces of vario...
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JP2003247014A |
To provide a method of producing a rotor for a disk brake which has an improved thermal conductivity while securing strength, and has improved thermal cracking resistance.An Fe-Si based or Fe-Si-C based inoculant containing 1.0 to 3.0 wt...
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JP3442054B2 |
To facilitate a dephosphorizing work and also, to shorten the treating time by reducing additional frequencies of oxidizing agent added while dividing into a plurality of times and further, to perform the dephosphorizing treatment withou...
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JP2003231581A |
To provide a concentrated nitric acid storage container comprising high silicon austenite cast iron at least on its internal side for receiving concentrated nitric acid, which prevents a concentration of chromium (Cr) in the concentrated...
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JP3438336B2 |
PURPOSE: To produce a roll for rolling, excellent in wear resistance and cracking resistance, by forming an outer layer material of a roll for finish rolling, used for producing a hot rolled steel plate, by using a high speed steel with ...
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JP2003226907A |
To provide a method of producing spheroidal graphite cast iron which contains fine spheroidal graphite, and has less micro-shrinkage cavities, and to provide cast iron which has high strength and satisfactory facial roughness.In the sphe...
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JP3435162B2 |
PCT No. PCT/AU94/00264 Sec. 371 Date Jun. 18, 1996 Sec. 102(e) Date Jun. 18, 1996 PCT Filed May 20, 1994 PCT Pub. No. WO94/27763 PCT Pub. Date Dec. 8, 1994The present invention relates to eutectic alloy systems, such as white irons, in w...
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JP3434496B2 |
To produce a high chromium cast iron based alloy having sufficient strength and abrasion wear resistance even in a high temperature oxidizing atmosphere and further having good oxidation resistance. This high temperature wear resistant h...
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JP2003221638A |
To provide an as-cast globular graphite cast iron having a high fatigue strength by inhibiting the deposition of a ferrite structure at the surface of the mill scale to obtain a pearlitic surface structure.The globular graphite cast iron...
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JP2003221639A |
To provide an exhaust manifold with a built-in turbine housing wherein the turbine housing part and the exhaust manifold body part each exhibits an appropriate heat resistance and durability.The exhaust manifold with a built-in turbine h...
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JP3428576B2 |
To provide a roll for hot rolling provided with excellent heat crack resistance, roughening resistance and wear resistance and also provided with sufficient toughness (breaking resistance) even when used in environment where in a rolling...
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JP2003201528A |
To easily manufacture a heat sink material having characteristics of high thermal conductivity and low residual porosity both required of actual electronic parts (including semiconductor devices), etc., and to improve the productivity of...
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JP2003191068A |
To provide a cast iron part and its producing method with which an application range of the cast iron parts can be made to wide.A chuck for lathing which is the cast iron part, is composed of a spheroidal graphite cast iron part and a fo...
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JP2003191001A |
To provide means for preventing roll slip with the unit consumption of a roll maintained by changing the roll material when performing the planetary rolling of steel with a planetary inclined roll mill.In the planetary rolling of the ste...
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JP2003191069A |
To provide a cast iron part and its producing method with which an application range of the cast iron parts can be made to wide.An almost cylindrical-shaped sliding bearing which is the cast iron part, is composed of a flaky graphite cas...
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JP2003183766A |
To provide improvement of the product quality and the productivity for a tool for hot working, and reduction of the unit consumption of a tool material, by improving abrasion resistance and thermal cracking resistance of the tool materia...
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JP3421990B2 |
To provide a high strength and heat resistant cast iron material which has high thermal conductivity and sufficient strength at the same time. The high strength and heat resistant cast iron material is produced by incorporating, by weigh...
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JP2003171729A |
To provide a method of reutilizing steel sheet scrap for efficiently obtaining cast iron of high quality while preventing needless increase in cost using steel sheet scrap containing high tensile strength steel sheet scrap.In a batch rec...
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JP2003170206A |
To provide a sleeve roll for rolling capable of inexpensively and easily being manufactured and provided together with wear resistance, surface roughening resistance and toughness.A sleeve roll for rolling, with which, after casting the ...
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JP3417922B2 |
To provide a cast iron material for a sizing press die which eliminates the disadvantages of the conventional material for a sizing press die and which has extremely excellent crack resistance. The cast iron material consists of a ductil...
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JP3412590B2 |
To provide a roll for rolling having excellent wear resistance and accident resistance and free from the generation of the segregation of the gravity of carbides even in the case of being produced by a centrifugal casting method. In this...
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JP2003517099A |
It is possible to generate a desirable form (soft, pliable) of sulfide inclusions in magnesium-treated cast irons. Thermodynamically, MnS and MoS2 are not stable in the presence of magnesium. However, by adding magnesium to a cast iron m...
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JP3407755B2 |
PURPOSE: To provide a composite roll provided with the outer layer which maintains the characteristic of a roll material, is excellent in wear resistance, has homogeneous material and further is excellent in surface roughening resistance...
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JP2003138336A |
To provide low thermal expansion cast steel whose thermal expansion coefficient can sufficiently be reduced, and which is excellently suited to manufacture a precise shaped product and a complicated shaped product, and has excellent flui...
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JP2003138337A |
To provide a low thermal expansion cast alloy which has a sufficiently low thermal expansion coefficient, is excellently suited to manufacture a precise shaped product and a complicated shaped product, has extremely satisfactory castabil...
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JP3401054B2 |
PURPOSE: To develop a spheroidal graphite cast iron excellent in thermal fatigue resistance such as heat resistance, heat cracking resistance, blue heat brittlement resistance or the like by regulating the content of Mg and P in ordinary...
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JP3401534B2 |
To provide a high grade high carbon vanadium-cementite alloyed cast iron sufficiently combining all the characteristics of corrosion resistance, wear resistance, and heat resistance, capable of improving impact resistance, by means of gr...
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JP2003514993A |
The invention provides a cast iron alloy comprising 3.0-3.8% carbon, 06-25% silicon, 0.2-0.65% manganese, 0.01-0.1% tin, <0.025% sulfur, 0.001-0.020% magnesium, 0.1-1.2% copper, 0.04-0.2% chromium, and balance up to 100% of iron and inci...
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JP2003105482A |
To provide a composite roll for hot rolling which has excellent roughening resistance and heat crack resistance by solving the points at issue in a roll for hot rolling consisting of a ductile cast iron single layer, and has improved wea...
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JP2003105483A |
To provide a new composite roll for hot rolling which is obtained by using a high alloy grain cast iron having a new componential composition, and has remarkably improved wear resistance without deteriorating its seizure resistance and a...
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JP2003088938A |
To produce a casting having partially high heat resistance without requiring a high cost.A mold 1 is constituted of an upper flask 2 and a lower flask 3, and casting sand 4 is filled up in the inner part of the mold 1. In the inner part ...
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JP2003082433A |
To provide flake graphite cast iron having excellent machinability in which machinability can be improved, and the increase of the production cost can be suppressed, and to provide a production method therefor.The flake graphite cast iro...
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JP2003062605A |
To manufacture a composite roll for bar steel rolling superior in wear resistance and crack resistance, by forming a caliber with a high speed tool steel type alloy.The composite roll has a layered structure, whose cross sectional area r...
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JP3382326B2 |
A cast iron slide member with a slide surface which is formed from cast iron comprising 3.0 % to 3.6 % by weight of carbon, 1.6 % to 2.4 % by weight of silicon, 0.2 % to 1.5 % by weight of manganese, 0.5 % to 1.5 % by weight of chromium,...
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JP3381626B2 |
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JP2003055730A |
To provide a cover body for an underground structure which has sufficient corrosion resistance and excellent moldability. The cover body for manhole is produced by Niresist having a composition containing, by weight, 20.3% Ni, 2.57% Cr, ...
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JP3379938B2 |
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JP2003026428A |
To improve the thermal conductivity of a glass product forming blank mold and blow mold.The thermal conductivity of the glass product forming blank mold of Ni-resistant ductile cast iron and the blow mold is selectively adjusted by forma...
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JP2003027177A |
To provide a refractory cast steel molding which can be used as joining hardware of rolled steel SN490B for building construction.The molding has a composition containing, by weight, 0.09 to 0.15% C, 0.2 to 0.55% Si, 0.6 to 1.4% Mn, 0.1 ...
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JP3370649B2 |
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JP3361990B2 |
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JP2002371335A |
To provide a heat-resistant spherical cast graphite iron for exhaust parts superior in oxidation resistance, which can prevent oxidation under a high-temperature condition and control increase of wall thickness caused by the oxidation. T...
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JP3358664B2 |
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