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WO/2019/005972A1 |
A method for modifying a dimension of a cast iron pump part features placing a cast iron pump part on a base plate of a directed energy deposition (DED) machine; selecting a metal deposition procedure for depositing a metal having a comb...
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WO/2018/231779A1 |
Disclosed herein are embodiments of a non-magnetic iron-based alloy. The alloy can contain high hard phase fractions providing for significant toughness and wear resistance. The alloy can have high austenite content and high toughness in...
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WO/2018/180424A1 |
Provided is black heart malleable cast-iron wherein the time required for graphitization can be greatly reduced compared with the conventional and a method for manufacturing the same. The black heart malleable cast iron has a ferrite mat...
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WO/2018/166248A1 |
A nodulizing and inoculation process for nodular cast iron, comprising the following steps: step 1, adding 1% of nodulizing agent, 0.2% of silicon barium inoculant, 0.3% of long-acting inoculant, and weight to a pit of a nodulizing ladle...
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WO/2018/166247A1 |
A development method for high-strength and high-toughness nodular cast iron for wind electricity, comprising the following steps: step 1, proportioning of smelting furnace burden, specifically, pig iron: scrap steel: foundry returns = 40...
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WO/2018/150645A1 |
Heat resistant spheroidal graphite cast iron with excellent creep resistance that contains, in mass%, C: 3.0%-4.3%, Si: 1.5% to less than 3.0%, Mn: 0.4% or less, a graphite spheroidizing agent made of at least one of Mg, mischmetal, Ce a...
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WO/2018/147367A1 |
A compound roll for rolling which: has a welded and integrated outer layer and inner layer; is configured in a manner such that the outer layer thereof comprises an Fe-based alloy containing, by mass, 1-3% C, 0.3-3% Si, 0.1-3% Mn, 0.1-5%...
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WO/2018/124101A1 |
The present invention provides a composite roll for rolling which comprises an outer layer that exhibits superior resistance to wear, surface roughening, cracking, and accidents as a result of suppressing segregation of MC-type carbide a...
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WO/2018/114845A1 |
This object (16) is made of spheroidal graphite cast iron, the steroidal graphite cast iron comprising, in % by weight, the following elements: carbon (C) less than or equal to 3.65% and silicon (Si) between 3.3% and 3.7%. Optionally, th...
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WO/2018/116763A1 |
Provided is a cast iron which achieves a good balance between high wear resistance and castability. A cast iron according to one embodiment of the present invention contains, in mass%, 3.0-3.8% of C, 1.0-3.0% of Si, 0.6-1.0% of Mn, more ...
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WO/2018/109259A1 |
The ductile iron comprises, by weight, 3.6–4.3 percent of carbon, at most 1.75 percent of silicon and at least 92 percent of iron, the microstructure of the ductile iron comprising, by volume, at most 60 percent of pearlite and at leas...
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WO/2018/093207A1 |
A construction machine part comprises: a body including a low alloy cast steel; and a wear-resistant tip which is cast and connected to one end of the body and comprises a white cast iron. The construction machine part comprises differen...
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WO/2018/093894A1 |
The instant disclosure relates to ductile iron alloy compositions and articles that can maintain desired microstructural and mechanical properties even when cast to make thin-wall samples. Particularly, the compositions herein may mainta...
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WO/2018/079887A1 |
The present invention provides flake graphite cast iron comprising carbon in an amount of 3.2 to 3.4 wt%, silicon in an amount of 2.0 to 2.2 wt%, manganese in an amount of 1.8 to 4.0 wt%, sulfur in an amount of 0.08 to 0.14 wt%, phosphor...
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WO/2018/064860A1 |
Provided is an integrated type mud and sand treatment device (1) for treating mud and sand excavated form urban construction. The device comprises at least a grinding part (11) and a mud-sand separating part (12). A grinding member (111)...
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WO/2018/058228A1 |
The present invention refers to a vermicular cast iron alloy specially designed for internal combustion engine blocks and heads having special requirements of mechanical strength and fatigue strength. Vermicular iron alloy with high mech...
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WO/2018/049497A1 |
The present invention relates to the technological field of cast iron alloys for automotive and similar applications. Problem to be solved: Presently, structural parts of internal combustion engines are made of gray cast iron alloys that...
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WO/2018/047444A1 |
The purpose of the present invention is to provide a roll outer layer material for hot rolling and a composite roll for hot rolling, whereby wear resistance is ensured, pit-shaped flaws on the roll surface are reduced, and excellent surf...
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WO/2018/043351A1 |
A nanocrystal production method comprising a light irradiation step in which a surface of a metal material immersed in water is irradiated with light, thereby forming nanocrystals on the surface, said metal material containing iron. The ...
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WO/2018/043685A1 |
Provided are a spherical graphite cast iron semi-solid casting method and a semi-solid diecast product with which, in the as-cast state with no heat treatment, even with a small modulus, there is no chilling, spherical graphite in the st...
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WO/2018/042654A1 |
A cylindrical member made from lamellar graphite cast iron, which has excellent mechanical strength and processability suitable for practical use and also having excellent abrasion resistance and seizure resistance. A cylindrical member ...
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WO/2018/041170A1 |
Disclosed are a self-lubricating rolling bearing and a preparation method therefor, wherein the material ingredients of inner and outer ferrules of the bearing are: 3.4%-3.7% of C, 2.7%-2.9% of Si, 0.3%-0.5% of Mn, 0.3%-0.5% of Cr, S ≤...
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WO/2018/036757A1 |
The invention relates to an iron material for bearing bushings which are exposed to highly elevated temperatures during use, to a corresponding high-temperature-resistant bearing bushing, and to a turbocharger having at least one such be...
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WO/2017/222342A1 |
One aspect of the present invention relates to a clad steel plate having excellent strength and formability, comprising: a base metal; and a clad material provided on both sides of the base material, wherein the base metal is an austenit...
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WO/2017/219098A1 |
A casting of a hypereutectic white iron that, in an as- cast form of the casting, has a microstructure that includes a ferrous matrix that contains 12-20 wt.% chromium in solution in the matrix, eutectic chromium carbides dispersed in th...
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WO/2017/186444A1 |
The invention relates to a method for producing a component from ductile cast iron, comprising the steps of: providing a flowable cast iron mixture, introducing the flowable cast iron mixture into a mold, solidifying the cast iron mixtur...
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WO/2017/179995A1 |
A ferrosilicon inoculant for gray cast iron containing between 0.1 to 10% by weight strontium, less than 0.35%by weightcalcium, 1.5to 10% by weight aluminum and 0.1 to 15% zirconium, The inoculant, method for producing the inoculant, met...
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WO/2017/170570A1 |
Provided is a rolling rod outer layer that contains, on the basis of mass, 1.3-2.8% C, 0.3-1.8% Si, 0.3-2.5% Mn, 0-6.5% Ni, 1-10% Cr, 0.9-6% Mo, 0-8% W, 0.5-6% V, 0-3% Nb, and 0% or greater and less than 0.01% B, wherein the balance is f...
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WO/2017/164382A1 |
A spherical graphite cast iron characterized by satisfying the expressions N(5-) ≥ 250, N(5-20)/N(5-) ≥ 0.6, and N(30-)/N(5-) ≤ 0.2, where N(5-) (particles/mm2) is the number of graphite particles having an equivalent circle diamet...
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WO/2017/160782A1 |
A cast iron having high strength, hardness, and thermal conductivity for a cylinder liner of an internal combustion engine is provided. The cast iron includes 3,2 wt. % to 3.8 wt. % carbon, 2.2 wt. % to 3,2 wt. % silicon 0.5 wt. % to 13 ...
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WO/2017/139083A1 |
Disclosed are a hypereutectic white iron alloy and articles such as pump components made therefrom. Besides iron and unavoidable impurities the alloy comprises, in weight percent based on the total weight of the alloy, from 3 to 6 C, fro...
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WO/2017/132471A1 |
Discussed herein are systems and methods of forming hardfacing coatings and films containing Q-carbon diamond particles for use in downhole drilling tooling and other tools where wear-resistant coating is desirable. The Q-carbon diamond-...
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WO/2017/111720A1 |
The present invention relates to a process for the production of a cast iron alloy involving enhanced mechanical properties as well as resistance to high temperatures. The present invention more particularly relates to a heat-resistant v...
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WO/2017/100046A1 |
A seal ring (100) comprising a chromium and boron containing cast iron alloy composition is disclosed. The cast iron alloy composition comprises each of boron, chromium and silicon in the following amounts: boron up to 1.5 wt. %; chromiu...
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WO/2017/056522A1 |
The present invention provides spheroidal graphite cast iron, which has excellent gas detect resistance such that there are few gas defects such as pinholes arising from free N and which has mechanical characteristics and machinability e...
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WO/2017/047795A1 |
A titanium pipe-forming roll provided with a base material having, in mass%, C:1.00-2.30%, Si: 0.10-0.60%, Mn: 0.20-0.80%, P: 0.030 or less, S: 0.030% or less, Cr: 4.80-13.00% with the balance being iron and unavoidable impurities, a nit...
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WO/2017/016978A1 |
A method for manufacturing mechanical components made of compacted graphite iron or gray cast iron, comprising the following steps: – providing a casting of a mechanical component made of gray cast iron or compacted graphite iron havin...
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WO/2017/013165A1 |
The invention relates to ferritic cast iron having spheroidal graphite, which ferritic cast iron contains, in mass %: 3.4% to 3.8% carbon (C), 1.5% to 2.1% silicon (Si), at most 0.25% manganese (Mn), at most 0.05% sulfur (S), up to 0.6% ...
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WO/2016/194377A1 |
This black heart malleable cast iron contains carbon, silicon, and aluminum, with the remainder being iron and unavoidable impurities.
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WO/2016/186094A1 |
This method for processing molten cast iron uses an inoculant that includes: 15-80 wt% of Si; as a rare earth element, either La of 80-100 wt% purity or Ce of 80-100 wt% purity; Ca; and Al; the remainder consisting of Fe and unavoidable ...
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WO/2016/164360A1 |
Embodiments of alloys having high, fine-grained carbide content, and methods of manufacturing such alloys. The alloys can be determined through the use of thermodynamic, microstructural, and compositional criterial in order to create a h...
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WO/2016/157574A1 |
The present invention provides a spherical graphitic cast iron having high rigidity due to a higher Young's modulus, as well as excellent strength and toughness. This high-rigidity spherical graphitic cast iron contains, in mass%, C: mor...
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WO/2016/131701A1 |
The invention relates to a method for producing a metal tire for a rail wheel and is characterized in that the tire is cast, resulting in a reduction in weight of the rail wheel.
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WO/2016/104961A1 |
The present invention relates to spheroidal graphite cast iron, a manufacturing method therefor, and a hydraulic device component manufactured therefrom. The present invention can provide the spheroidal graphite cast iron having uniform ...
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WO/2016/084021A1 |
Disclosed is silicon molybdenum aluminum ferritic iron alloy that includes, in addition to greater than about 50.0 wt % iron, the following amounts: from about 2.0 to about 4.0 wt % aluminum and from about 2.0 to about 4.3 wt % silicon, ...
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WO/2016/055098A1 |
A cobalt-free steel alloy comprising: (a) from 2 to 3 wt.% carbon, (b) from 4 to 6 wt.% chromium, (c) from 0.1 to 0.5 wt.% manganese, (d) from 0.1 to 0.9 wt.% silicon, (e) from 9 to 11 wt.% molybdenum, (f) from 6 to 8 wt.% vanadium, (g) ...
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WO/2016/051725A1 |
The nodular graphite cast iron for pistons of an embodiment of this invention contains, in mass, C: 2.7 to 4.3%, Si: 2.0 to 3.5%, Mn: 0.3 to 0.8%, Mg: 0.02 to 0.10%, Cu: 0.3 to 1.0%, Cr: 0.05 to 0.90%, Mo: 0.05 to 1.00%, with the remaind...
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WO/2016/047396A1 |
The present invention provides a cold tool material that can attain a high hardness at a wide range of tempering temperatures, and a method for manufacturing a cold tool using the same. The cold tool material has an annealed structure th...
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WO/2016/041971A1 |
The invention relates to a spheroidal graphite or flake graphite cast-iron alloy comprising the following elements, in wt. %: between 1.2% and 3.5% of carbon (C), between 1.0% or 1.2% and 3% of silicon (Si), between 26% and 31% of nickel...
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WO/2016/031519A1 |
[Problem] To provide: an outer layer material for composite rolls for rolling, which is capable of enhancing the strength of a secondary eutectic carbide by reducing the amount of B in the secondary eutectic carbide, and which is thus ca...
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