| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
|---|---|
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
| Purity: | 58% |
| Alloy: | Alloy |
| Type: | Nickel Bar |
| Powder: | Not Powder |
| Samples: |
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| Customization: |
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Material Composition: Inconel 625 round bars are primarily composed of nickel, with significant additions of chromium, molybdenum, and niobium. These alloying elements contribute to the material's exceptional corrosion resistance, high strength, and good fabricability.
Corrosion Resistance: Inconel 625 round bars exhibit excellent resistance to a wide range of corrosive environments, including acidic and alkaline solutions, saltwater, and high-temperature oxidizing atmospheres. This makes them ideal for applications in chemical processing, marine engineering, and aerospace industries.
High Temperature Performance: The alloy's high chromium and molybdenum content provide Inconel 625 round bars with excellent resistance to oxidation and creep deformation at elevated temperatures. They can withstand temperatures up to 1093°C (2000°F) without significant loss of mechanical properties.
Mechanical Properties: Inconel 625 round bars possess high tensile strength, yield strength, and hardness, combined with good ductility and toughness. These properties make them suitable for use in demanding structural and high-stress applications, such as turbine engine components, heat exchangers, and pressure vessels.
Fabrication: Inconel 625 round bars can be easily fabricated using conventional methods such as hot forging, cold working, and machining. They can be formed into various shapes and sizes to meet specific application requirements.
Weldability: Inconel 625 round bars exhibit good weldability using techniques such as gas tungsten arc welding (GTAW), shielded metal arc welding (SMAW), and plasma arc welding (PAW). However, proper welding procedures and post-weld heat treatment are essential to maintain the material's corrosion resistance and mechanical properties.
Applications: Inconel 625 round bars find applications in various industries, including aerospace, chemical processing, oil and gas, marine engineering, and nuclear power generation. They are used for manufacturing components such as turbine blades, exhaust systems, fasteners, valves, and downhole equipment in oil wells.
Overall, Inconel 625 round bars are highly versatile and durable materials that offer exceptional performance in demanding environments, making them a preferred choice for critical engineering applications requiring superior corrosion resistance and high-temperature capabilities.
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Steel grade
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Inconel 601
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Inconel 625
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Inconel 725
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Inconel X-750
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Corresponding brand
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N06601/2.4851/1Cr23Ni60Fe13AI/NS313
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N06625/2.4856/0Cr20Ni65Mo10bN4/NS336
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N07725
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N07750/2.4669/GH4145
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Chemical composition%
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||||
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C≤
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0.100
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0.100
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0.030
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0.080
|
|
Mn≤
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1.00
|
0.50
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0.35
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1.00
|
|
P≤
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/
|
0.015
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0.015
|
/
|
|
S≤
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0.015
|
0.015
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0.010
|
0.010
|
|
Si≤
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0.50
|
0.50
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0.20
|
0.50
|
|
Cr≤
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21.0-25.0
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20.0-23.0
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19.0-22.5
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14.0-17.0
|
|
Ni≤
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58.0-63.0
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≥58.0
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55.0-59.0
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≥70
|
|
Mo
|
/
|
8.0-10.0
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7.0-9.5
|
/
|
|
Cu
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≤1.50
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/
|
/
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≤0.50
|
|
N
|
/
|
/
|
/
|
/
|
|
Nb
|
/
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3.15-4.15
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2.75-4.00
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0.70-1.20
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other
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Al:1.0-1.7
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Co:≤1.0Ai:≤0.40Tr:0.40Fe:≤5.0
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Tr:1.0-1.7AI≤0.35
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Co:≤1.0 AI:0.4-1.0Tr:0.25-2.75Fe:5.0-9.0
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Raw Material Selection: The production begins with selecting high-quality raw materials, including nickel, chromium, molybdenum, niobium, and other alloying elements in precise proportions. These materials are sourced from reputable suppliers to ensure consistency and purity.
Melting: The selected raw materials are melted together in a vacuum induction furnace or an electric arc furnace under controlled conditions to achieve the desired chemical composition. This process ensures homogeneity and removes any impurities that could affect the final properties of the alloy.
Casting: Once the alloy is molten and homogeneous, it is cast into ingots or continuous casting molds to form large semi-finished shapes. In some cases, the alloy may undergo secondary refining processes such as electroslag remelting (ESR) or vacuum arc remelting (VAR) to further improve its cleanliness and microstructure.
Hot Working: The cast ingots are then subjected to hot working processes such as forging or rolling at elevated temperatures. This helps shape the material into intermediate forms such as billets or bars while refining the microstructure and improving mechanical properties.
Annealing: After hot working, the intermediate forms may undergo annealing treatments to relieve internal stresses and improve machinability. Annealing involves heating the material to a specific temperature and holding it for a predetermined time before slowly cooling it down to room temperature.
Cold Drawing or Extrusion: The annealed material is then further processed through cold drawing or extrusion processes to reduce its diameter and achieve the desired dimensions for the rod. Cold working enhances the material's strength and surface finish while maintaining its corrosion resistance.
Finishing Operations: The cold-drawn or extruded rods may undergo additional finishing operations such as straightening, cutting, grinding, or polishing to meet the specified tolerances and surface requirements.
Quality Control: Throughout the production process, rigorous quality control measures are implemented to ensure that the finished rods meet the required specifications and standards for chemical composition, mechanical properties, dimensional accuracy, and surface finish.
Final Inspection and Packaging: Once the rods pass all quality checks, they undergo final inspection before being packaged and prepared for shipment to customers. Proper packaging is essential to protect the rods from damage during transportation and storage.
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