96 results about "Corrosion resistant alloy" patented technology

The invention provides an offshore wind power foundation anti-scour device which comprises a pile foundation, a conical base is fixedly connected to the position, close to the bottom, of the pile foundation, four sets of supports are fixedly connected to the bottom of the conical base, the ends, away from the conical base, of the supports are each of an arc design, and a connecting ring is installed above the conical base. The connecting ring is rotationally connected to the outer end of the pile foundation, and a protective shell is installed at one end above the connecting ring. Dual protection is formed by combining rotation kinetic energy conversion and a mechanical buffering mechanism, the arc-shaped blades rotate to drive the protective sleeve to be in linkage, the arc-shaped protruding blocks periodically extrude the spherical bodies, and impact energy is absorbed through the buffering springs; the spring assembly adopts corrosion-resistant alloy and sealing lubrication design, buffering reliability is ensured, water flow impact is converted into controllable mechanical energy consumption through the structure, the structure and blade flow guide are in synergistic effect, direct scouring force is weakened, stress concentration is avoided, the overall anti-scouring stability of the pile foundation is remarkably improved, and the service life of the pile foundation is remarkably prolonged.

The invention discloses a gradient thermocouple liquid level real-time detector, and relates to the technical field of liquid level detection, an integrated gradient thermocouple probe rod structure is adopted, a plurality of groups of thermocouple nodes are integrated on a single corrosion-resistant alloy integrated gradient thermocouple probe rod according to a preset interval through a special process, and a continuous temperature gradient sensitive area is formed. A high-precision signal processing circuit is embedded in the integrated gradient thermocouple probe rod, the temperature difference potential of each node is collected in real time, the liquid level height is calculated based on a dynamic temperature field modeling algorithm, and full-scale continuous measurement is achieved. Gradient node distributed layout is created for the first time, and a blind area of traditional point type measurement is eliminated; a self-adaptive temperature compensation mechanism is developed, and medium layering and boiling interference are overcome; the integrated gradient thermocouple probe rod adopts vacuum sealing and a nanometer heat insulation coating, and can resist a high temperature of 600 DEG C and a high pressure environment of 40 MPa. The device has millimeter-level measurement precision and millisecond-level dynamic response capability, does not need to move parts or external radiation sources, and remarkably improves the reliability, safety and installation convenience of liquid level monitoring of industrial reaction kettles and high-pressure boilers under extreme working conditions.

The utility model relates to the technical field of coal conveyor safety production, and discloses a coal conveyor operation monitoring device which comprises an inspection robot, a plurality of driving devices are arranged at the top of the inspection robot, a thermal infrared imager is installed at the bottom of the inspection robot, and protection assemblies are arranged on the front side and the rear side of the inspection robot. A cooling assembly is arranged in the inspection robot, the protection assembly comprises an air inlet cover, the air inlet cover is mounted on the front side of the inspection robot, two mounting guide rails are symmetrically arranged on the rear side of the inspection robot, a dust cover is slidably connected between the two mounting guide rails, and a vibration motor is arranged in the inspection robot. According to the utility model, the corrosion-resistant alloy shell is adopted, and the sealing protective cover and the self-cleaning system are arranged to prevent dust from invading. The robot is combined with a thermal infrared imager and an AI algorithm to position a high-temperature point and spray cooling gas and isolation foam, rapid cooling is achieved, coal spontaneous combustion is prevented, and the safety of a coal conveying system is improved.

The application discloses an automatic girth welding process for a bimetal metallurgical composite pipe, which comprises the following steps: S1, bimetal metallurgical composite pipe selection, wherein a base pipe of the bimetal metallurgical composite pipe is an X60 steel pipe, and chemical components of the X60 steel pipe are as follows: C is 0.03-0.05, Si is 0.25-0.35, Mn is 1.40-1.60, P is less than or equal to 0.008, S is less than or equal to 0.005, Cr is less than or equal to 0.30, and the balance is Fe; and a cladding layer is an Incoloy 825 corrosion-resistant alloy, and chemical components of the Incoloy 825 corrosion-resistant alloy are as follows: C is less than or equal to 0.05, Si is less than or equal to 0.50, Mn is less than or equal to 1.0, P is less than or equal to 0.005, S is less than or equal to 0.003, Ni is 38.0-45.0, Cr is 20.0-23.0, Mo is 2.5-3.5, Cu is 1.8-3.0, Ti is 0.6-1.2, Al is less than or equal to 0.15, and the balance is Fe. The application solves the problem of automatic girth welding of the bimetal metallurgical composite pipe. Not only the production cost and the labor intensity of workers are greatly reduced, but also the welding efficiency and the welding quality of the bimetal metallurgical composite pipe are effectively improved. The welded joint has excellent comprehensive mechanical properties and corrosion resistance.

Cast alloys comprising 20 to 35 wt. % nickel; 25% to 42.5 wt. % chromium; 1.5 to 2.5 wt. % carbon; 0.5 to 2.0 wt. % manganese; 0.25 to 2.0 wt. % silicon; 0 to 1.5 wt. % aluminum; 0 to 0.5 wt. % titanium, niobium, tantalum combined, 0 to 1 wt. % copper, other residual elements up to 0.5 wt. %, and iron to bring the total percentage to 100 wt. %, are described. The cast alloys can be used to form components for mixers, turbines and pumps, such as impellers, diffusers, and spacers, or for fracking operations as seats or flow diverters, as well as other oil and gas or energy industry components. In some applications, the cast alloys are custom made for downhole electro submersible pump applications.

The utility model discloses a high-corrosion-resistance alloy pipe cutting waste recovery device, which relates to the technical field of metal pipe processing, and has the technical key points that the high-corrosion-resistance alloy pipe cutting waste recovery device comprises a working table, a cutting mechanism is arranged on the working table through a mounting frame, a plurality of collecting holes are formed in the working table, a collecting box is arranged at the bottom of the working table, and the collecting holes are communicated with the collecting box; a negative pressure generating device is connected to one side of the collecting box, a filter screen is arranged at the joint of the negative pressure generating device and the collecting box, a pushing mechanism used for pushing waste at the bottom of the collecting box is arranged on one side of the collecting box, an extrusion box is arranged at the bottom of the side, away from the pushing mechanism, of the collecting box, and an extrusion roller set is arranged at the top of the extrusion box. A cleaning door is arranged at the bottom of the extrusion box; according to the utility model, waste can be recycled, and waste is reduced.

The invention provides a high-toughness corrosion-resistant Ti-Zr-Ta alloy and a preparation method thereof, and belongs to the technical field of alloy materials. The high-toughness corrosion-resistant Ti-Zr-Ta alloy comprises the chemical components of 1-4 at.% of Ta and the balance Ti and Zr, any element in Ti and Zr is a main matrix element of the alloy and can be replaced with each other to form a continuous solid solution structure, the high-toughness corrosion-resistant Ti-Zr-Ta alloy is prepared through smelting and high-pressure heat treatment processes, and the high-toughness corrosion-resistant Ti-Zr-Ta alloy is prepared through the high-pressure heat treatment process. On one hand, the high-pressure heat treatment increases the solid solubility of Ta in a matrix, plays a role in solid solution strengthening and improves the corrosion resistance; and on the other hand, the alpha phase transformation behavior can be inhibited, so that a full-beta-phase structure is obtained, and the plasticity and toughness are greatly improved.

A hardened slip and a method of making the hardened slip are disclosed. A method of hard surfacing a slip component for a downhole tool is disclosed. The slip component may have a bearing surface and may be composed of a base material, the base material being metallic. The method may comprise steps of positioning at least the bearing surface of the slip component with a direct contact with a boron source; bonding an external layer at least on the bearing surface to form a metallurgical bond between boron from the boron source with the base material by boriding the base material; and maintaining a bulk temperature of the slip component below a melting point of the base material.

The invention discloses corrosion-resistant alloy powder for additive manufacturing and a preparation method of the corrosion-resistant alloy powder, and relates to the technical field of 3D printing, the alloy powder comprises the following raw materials in percentage by mass: 21-23.5% of chromium, 6-8% of molybdenum, 1.5-2.5% of copper, 0.2-0.8% of polyaniline modified nano graphene, 0.04-0.08% of nano yttrium oxide, 0.2-0.8% of nano zirconium oxide and the balance of iron; the preparation method comprises the following steps that after metal iron, chromium, molybdenum and copper are subjected to vacuum melting through a vacuum induction furnace, gas atomization treatment is conducted in an inert gas environment, and atomized powder is obtained; respectively drying atomized powder, polyaniline modified nano graphene, nano yttrium oxide and nano zirconium oxide, then mixing and transferring into a high-energy ball mill for ball milling; and the collected powder is screened, and the corrosion-resistant alloy powder for additive manufacturing is obtained. The alloy powder for additive manufacturing provided by the invention has corrosion resistance.

Described herein is a chamber component having a body comprising one or more aluminum alloy compositions. A surface of a chamber member has an aluminum alloy composition including: aluminum (Al) in which Al is included in an amount of about 85 wt% to about 98 wt% based on a total weight of the alloy composition; and magnesium (Mg), wherein the Mg is included in an amount of about 1 wt% to about 5 wt% based on the total weight of the alloy composition. The aluminum alloy composition further includes one or more additional chemical elements that form an equiaxed grain structure of the aluminum matrix of the alloy composition.

The invention relates to the technical field of chemical industry park energy supply, and discloses a chemical industry park production centralized energy supply optimization system. The system comprises an energy conversion station, an energy supply pipeline, an intelligent energy management station, a central control room and a signal instruction transmission line. A combined heat and power generation device and a waste heat recovery device are arranged in the energy conversion station; the energy supply pipeline is of a double-layer structure, the inner layer is corrosion-resistant alloy, the outer layer is high-strength alloy steel, and a buffer heat insulation layer is arranged in the middle. A pressure transmitter, a cut-off valve and an emergency emptying valve are arranged on the pipeline and are connected with a central control room through a signal line; an energy sensor is arranged on the production device and is connected with the intelligent energy management station; and a regulating valve and a flow meter are also arranged on the pipeline. The double-layer pipeline structure is combined with a real-time pressure monitoring and emergency processing mechanism, so that the energy supply safety is remarkably improved; through combined heat and power generation, waste heat recovery and intelligent energy distribution, the comprehensive utilization rate of energy is increased to 78%-82%; and the production stability is guaranteed through accurate regulation and control, and the defective rate of products is effectively reduced.

The utility model relates to the technical field of ship propellers, and discloses a protective alloy reinforcing structure special for a polar ship propeller, which solves the problem that at present, propeller blades are easy to be damaged due to collision with an ice layer in a polar environment, and comprises a propeller hub, the outer side of the propeller hub is fixedly provided with the propeller blades, and the outer side of the propeller hub is fixedly provided with the protective alloy reinforcing structure. A protection mechanism is arranged on the outer side of the propeller blade, a limiting mechanism is arranged on the protection mechanism, the protection mechanism comprises a mounting plate fixed to the outer side of the propeller hub, and the mounting plate is fixed to the outer side of the propeller blade; according to the utility model, through the cooperation among the side plates, the positioning blocks and the positioning grooves, the two corrosion-resistant alloy sleeves can be conveniently sleeved at the edge of the paddle, and through the cooperation among the guide plates, the guide columns, the springs and the U-shaped round rods, the sleeve blocks can conveniently drive the insertion rods to move and be inserted into the insertion holes, so that the corrosion-resistant alloy sleeves are fixed; therefore, the edge of the paddle is protected, and the paddle is prevented from being damaged due to direct collision with an ice layer.

The utility model relates to the technical field of oyster reefs, in particular to a multi-stage functional oyster reef. Comprising a corrosion-resistant alloy base and an adsorption mechanism, four conical feet are arranged at the bottom of the corrosion-resistant alloy base, the adsorption mechanism comprises a fixing frame, an adsorption frame, a stabilizing rod, an inclined plate, a top plate and an ecological device, and the adsorption frame is fixed to the fixing frame through corrosion-resistant screws and nuts. The mounting holes in the bottom of the adsorption frame are matched with the adjusting holes in the fixing frame at different positions, different working heights can be directly obtained, further, the corrosion-resistant alloy base is of a solid structure and is more stable compared with a hollow brick structure, the inclined plate and the top plate can be used for assisting oyster attachment, and the service life is prolonged. The ecological device is used for providing diversified biological inhabiting environments, healthy development of a marine ecological system is facilitated, multifunctional use of the oyster reef is achieved, then height adjustment can be achieved during use, multi-environment use of the oyster reef is facilitated, and the practicability of the oyster reef is improved.

The invention belongs to the technical field of valves, and particularly relates to a corrosion-resistant high-pressure gas production wellhead gate valve which comprises a valve body and two flanges integrally formed at the two ends of the valve body, one side of the valve body is fixedly connected with a valve seat, one side of the valve seat is fixedly connected with a guide sleeve through a bolt, the end of the guide sleeve is rotationally connected with a rotating ring, and the rotating ring is fixedly connected with the valve seat through a bolt. A valve rod is in threaded connection with the axis of the inner side of the rotating ring, one end of the valve rod is rotationally connected with a valve plate, the valve plate is arranged in a valve groove in the center of the valve body in a matched mode, and circulation control over gas is achieved. The base layer, the corrosion-resistant alloy coating and the arc-shaped lining plate are arranged in the valve plate, corrosion-resistant treatment of the valve plate can be achieved, the base layer and the corrosion-resistant alloy coating are connected through a dovetail groove, a dovetail joint and other structures, stability is good, interlayer stripping can be prevented, the service life of the valve plate is effectively guaranteed, and the service life of the valve plate is prolonged. The problems that an existing wellhead gate valve is prone to corrosion and short in service life are solved.

The utility model discloses PE water supply pipe of corrosion -resistant alloy layer's lining, relates to water supply pipe technical field, and its technical key points include PE main body structure layer, corrosion -resistant alloy lining layer, reinforcing layer and outer protective layer, corrosion -resistant alloy lining layer sets up in the inside of PE main body structure layer, reinforcing layer sets up in the outside of PE main body structure layer, outer protective layer sets up in the outside of reinforcing layer, reinforcing layer includes pressure -resistant buffer layer and tough layer, pressure -resistant buffer layer sets up in the outside of PE main body structure layer, and tough layer sets up between pressure -resistant buffer layer and outer protective layer. Technical effect is through setting up corrosion -resistant alloy lining layer, can play the role of resistance medium corrosion, prevents the corrosive component in conveying medium from causing the erosion to pipeline, ensures water quality and is not polluted, prolongs the service life of pipeline simultaneously.

The present invention discloses a method and device for optimizing the design and manufacturing of an alloy structure. The method includes: by means of numerical simulation methods, regulating the alloy microstructure, surface free energy parameters, as well as the corrosion environment and stress boundary conditions, calculating the corrosion potential, corrosion current density and charge transfer resistance of the alloy under different conditions; establishing a quantitative relationship between the alloy microstructure, surface free energy and corrosion resistance; according to the target microstructure parameters, constructing an alloy with the target microstructure by 3D printing; using pretreatment conditions and fluoroalkylsilane modification conditions to prepare a superhydrophobic alloy; analyzing the influence rules of 3D printing conditions, pretreatment conditions and fluoroalkylsilane modification conditions on the alloy microstructure, surface free energy and hydrophobicity; optimizing the alloy preparation conditions according to the influence rules. Combining theoretical simulation and experiments, clarify the internal relationship between the construction method of the corrosion-resistant alloy - microstructure, surface free energy - hydrophobicity - corrosion resistance, and improve the corrosion resistance of the alloy structure.

The invention discloses an acid and alkali corrosion resistant alloy material as well as a preparation method and a product thereof. The alloy material consists of 20.5 to 21.0 weight percent of Cr, 6.0 to 6.5 weight percent of Mo, 17.5 to 18.5 weight percent of Ni, 0.18 to 0.22 weight percent of N, 0.8 to 1.2 weight percent of Cu, 0.05 to 0.1 weight percent of Ce, less than or equal to 0.02 weight percent of C and the balance of Fe and inevitable impurities. According to the precise ball screw supporting bearing, through multi-azimuth collaborative design, the core requirements of excellent corrosion resistance, high strength and long service life under the working conditions of strong acid / alkali and high stress are met, and the precise ball screw supporting bearing is particularly suitable for semiconductor cleaning equipment and other severe environments.

This invention belongs to the technical field of corrosion-resistant alloy materials, specifically disclosing a refractory high-entropy alloy resistant to liquid lead-bismuth corrosion, a cladding material, and its preparation method. The refractory high-entropy alloy resistant to liquid lead-bismuth corrosion is composed of the following chemical elements: Nb 18–27 at.%; Mo 18–27 at.%; Ta 18–27 at.%; W 18–27 at.%; Cr 10–25 at.%; Si: 0–9 at.%; wherein the Si content is not zero. The cladding material is prepared by multi-target magnetron sputtering to prepare a refractory high-entropy alloy coating resistant to liquid lead-bismuth corrosion on the surface of a substrate. The doping of Cr and a small amount of Si in the refractory high-entropy alloy resistant to liquid lead-bismuth corrosion of this invention promotes the formation of a protective continuous Cr₂O₃ layer, preventing direct contact between the liquid lead-bismuth alloy and the coating material, thereby significantly improving the coating's resistance to liquid lead-bismuth alloy corrosion.

A part having corrosion-resistant and wear-resistant regions comprises a base alloy with a plurality of surfaces, a corrosion-resistant coating deposited on at least one surface, wherein the corrosion

The utility model relates to the technical field of water pump rooms, in particular to a water pump room for a dock entrance, which comprises a bottom plate, a front wall body, a rear wall body, a side wall body, an outer edge covering frame, an inner edge covering frame, a top plate and a room door, the wall body, the bottom plate and the top plate required by the water pump house are pre-produced in a factory by adopting a modular prefabrication technology and are transported to a construction site to be assembled, so that the construction period is greatly shortened, the construction efficiency is improved, the modules are directly connected by adopting a mortise and tenon connection structure, the modules are conveniently and quickly assembled, and the construction cost is reduced. Meanwhile, the inner sides and the outer sides of the corners of the house body are reinforced and connected through the corrosion-resistant alloy steel edge covering frames, so that the stability of the water pump house is enhanced, the water pump house is convenient to construct, and meanwhile, the water pump house has the good anti-seismic property, and the honeycomb sound absorption composite plates are laid on the four wall bodies and the top plate of the water pump house, and the honeycomb sound absorption structures are arranged on the composite plates; noise generated when the motor and the water pump work can be effectively absorbed, and the purpose of noise reduction is achieved.

The application provides a corrosion-resistant alloy wire coil integrated passivation process and relates to the technical field of metal surface treatment, and comprises the following steps: S1, adding passivation liquid into a containing groove according to the size of a winding drum, and controlling the alloy wire coil on the surface of the upper end of the winding drum to be submerged in the passivation liquid; S2, changing the pressure in the hollow interior of the winding drum through a clamping pressure regulating device; and S3, after a predetermined time, lifting the winding drum to the surface of a second bearing rail for air drying through the clamping pressure regulating device. In the process of passivation, the application can keep the relative integrity of the whole corrosion-resistant alloy wire coil, and the corrosion-resistant alloy wire coil does not need to be repeatedly unwound and wound, the loss of the corrosion-resistant alloy wire coil is smaller, the processing cost is lower, and the processing efficiency is higher.

A 460 MPa-grade corrosion resistant steel plate, and a production method thereof, adopts a corrosion-resistant alloying composition system with combined addition of Cr+Ni+Mo+Cu+P, which ensures corrosion resistance and weldability while economizing the use of precious alloys. Based on the comprehensive design of chemical components, through precise control of process parameters during rolling and cooling processes, accurate control of the steel plate's microstructure, inclusion content and size is achieved, obtaining a 460 MPa-grade steel plate for wind tower with excellent comprehensive properties and marine atmospheric corrosion resistance.

The invention relates to the technical field of monitoring, in particular to a flue gas cooler temperature wireless monitoring system which comprises a data acquisition module, a data transmission module, an analysis decision module and a response control module. The data acquisition module acquires flue gas temperature data through a dual-redundancy wireless temperature sensor group, and acid mist erosion is reduced by adopting a corrosion-resistant alloy shell and an inert gas positive pressure barrier; the analysis decision module executes three-dimensional temperature field reconstruction and spatial distribution verification, time sequence trend verification and equipment state association verification, and outputs a corrosion risk index; and the response control module starts sampling strategy adjustment, atlas pushing or equipment linkage operation in a grading manner according to the risk index, and feeds back a control instruction to the acquisition and transmission module. Dynamic closed-loop control is formed through cooperation of multiple modules, the problem of temperature monitoring continuity interruption caused by sensor corrosion failure in a high-sulfur wet flue gas environment is solved, and the system operation reliability is improved.

The invention provides a high-strength high-toughness corrosion-resistant Al-Mg alloy material and a preparation method, the alloy material comprises a core layer and an edge layer, the edge layer is a pure aluminum layer, and the core layer is a high-magnesium aluminum alloy ingot; and the aluminum alloy material is obtained after three-stage homogenization treatment and rolling. The alloy material has high strength and excellent corrosion resistance, the intergranular corrosion weight loss is smaller than or equal to 3 mg / cm < 2 >, and the exfoliation corrosion rating is PB.

This application discloses a high-precision, corrosion-resistant alloy oil pump barrel seamless steel pipe and its manufacturing method, relating to the field of steel pipe technology. It addresses the problems of existing oil pump barrels made of carbon manganese steel or medium-carbon chromium-molybdenum low-alloy steel, which suffer from poor corrosion resistance, poor high-temperature fatigue performance, insufficient pressure resistance, and short service life. The seamless steel pipe of this application comprises: C: 0.08%–0.12%, Si: 0.22%–0.40%, Mn: 0.35%–0.50%, P≤0.017%, S≤0.005%, Cr: 8.3%–9.0%, Mo: 0.88%–1.0%, V: 0.18%–0.23%, Ni≤0.20%, Cu≤0.10%, Nb≤0.010%, with the balance being Fe and unavoidable impurities. This seamless steel pipe can withstand high-pressure environments, possesses excellent high-temperature resistance and corrosion resistance, and exhibits high dimensional accuracy.

This invention provides a corrosion-resistant 460 MPa-class steel plate and its manufacturing method. This steel plate employs a corrosion-resistant alloying composition system with the combined addition of Cr, Ni, Mo, Cu, and P, ensuring corrosion resistance and weldability while reducing the amount of valuable alloying elements used. While strictly controlling impurity elements, one or more rare earth elements selected from La, Ce, Pr, and Nd are used to purify the molten steel, further improving corrosion resistance. Based on a comprehensive chemical composition design, precise control of process parameters in the rolling and cooling processes allows for precise control of the steel plate's structure, inclusion content, and size, resulting in a 460 MPa-class steel plate for wind power towers with excellent overall performance and marine atmospheric corrosion resistance.

The application discloses a forming method and device for thick-wall corrosion-resistant alloy pipe with yield strength of 100 steel grade, which comprises the following steps: smelting an electroslag ingot by an electric arc furnace and electroslag remelting; taking scrap steel and alloy as raw materials, smelting an electrode billet by EAF+AOD+LF+VD, and then smelting the electroslag ingot by electroslag remelting. The forming method and device for thick-wall corrosion-resistant alloy pipe with yield strength of 100 steel grade adopts the process route of combining optimized components, electroslag ingot, hot expanding, hot extrusion and cold working to produce thick-wall corrosion-resistant alloy seamless pipe, so that the purity of the alloy is improved, the grain is refined, the solid solution treatment of the strong cold process optimizes the organization and straightness, and the hot expanding and hot extrusion improve the surface quality and the qualified rate of the hollow pipe. The thick-wall corrosion-resistant alloy seamless pipe with yield strength of 100 steel grade produced by the application has high size precision, good surface quality, small internal grain, stable mechanical properties, high strength and high toughness and good corrosion resistance.

The invention discloses a corrosion-resistant alloy material for a crossover flange and a forging process of the crossover flange, and belongs to the technical field of alloy materials.The corrosion-resistant alloy material is forged into a semi-finished flange, then titanium dioxide whiskers grow on the surface of the semi-finished flange in situ through micro-arc oxidation treatment, and the corrosion-resistant alloy material is obtained. Basic zinc carbonate is deposited on the surface of the oxidation treatment flange through a zinc sulfate solution and an ammonium bicarbonate solution, the zinc oxide composite flange with the surface combined with zinc oxide is obtained after calcination treatment, titanium dioxide whiskers and zinc oxide cooperate to form a compact composite oxidation film, permeation of corrosive media in seawater is effectively blocked, and the corrosion resistance of the seawater is improved. Zinc oxide has broad-spectrum antibacterial property and can inhibit attachment of sulfate reducing bacteria and other microorganisms in the ocean and reduce local corrosion, titanium dioxide can absorb full-wave-band ultraviolet light and decompose attached organic matter through photocatalytic reaction, surface self-cleaning is achieved through the synergistic effect of zinc oxide and titanium dioxide, and therefore it is guaranteed that the flange works stably for a long time.

An alloy composition includes 40-60 wt. % of a nickel-based superalloy and 40-60 wt. % of a cobalt-based superalloy based on the total weight of the alloy composition. The nickel-based superalloy includes 40-60 wt. % of nickel and 15-25 wt. % of chromium based on the total weight of the nickel-based superalloy. The cobalt-based superalloy includes 50-70 wt. % of cobalt and 25-35 wt. % of chromium based on the total weight of the cobalt-based superalloy. The nickel-based superalloy and the cobalt-based superalloy are homogeneously distributed in the alloy composition. Further, the alloy composition is a spark plasma product of spherical particles having an average particle size of 10 micrometers (μm) to 45 μm of the nickel-based superalloy and particles having an average particle size of 5-40 μm of the cobalt-based superalloy. The alloy composition is more corrosion-resistant than a pure nickel-based superalloy and a pure copper-based superalloy.