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Fujian Incoloy 800 Thread Rod
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Name: Fujian Incoloy 800 Hex Screw
Material: Incoloy 800
Standard: UNS N08800
Size: M24
Hardness: 170 to 220 HB
Length: 250 mm
Application: For Heat Exchangers and Piping Systems
Feature: High Temperature Corrosion Resistance
Material: Incoloy 800
Standard: UNS N08800
Size: M24
Hardness: 170 to 220 HB
Length: 250 mm
Application: For Heat Exchangers and Piping Systems
Feature: High Temperature Corrosion Resistance
Quantity
Incoloy 800 Thread Rod, manufactured from UNS N08800 material, specification M24, length 250 mm, hardness 170-220 HB. Designed specifically for heat exchangers and piping systems, it possesses exceptional high-temperature corrosion resistance, ensuring long-term stable operation in demanding environments.
Corrosion Resistance Performance of Inconel 800 Fasteners and Resistant Chemical Media
Incoloy 800 Thread Rod (commonly also referred to as Inconel 800, corresponding standard UNS N08800) is a nickel-chromium-iron based austenitic alloy. It contains chromium (Cr) 19-23%, nickel (Ni) 30-35%, along with small amounts of aluminum and titanium. This excellent composition design enables Incoloy 800 Thread Rod to perform outstandingly in high-temperature and corrosive environments, making it highly suitable for manufacturing fasteners for equipment such as heat exchangers and piping systems.
Incoloy 800 Thread Rod (commonly also referred to as Inconel 800, corresponding standard UNS N08800) is a nickel-chromium-iron based austenitic alloy. It contains chromium (Cr) 19-23%, nickel (Ni) 30-35%, along with small amounts of aluminum and titanium. This excellent composition design enables Incoloy 800 Thread Rod to perform outstandingly in high-temperature and corrosive environments, making it highly suitable for manufacturing fasteners for equipment such as heat exchangers and piping systems.
Corrosion Resistance and Chemical Media Resistance of Incoloy 800 Thread Rod
The exceptional performance of Incoloy 800 Thread Rod is primarily attributed to its high chromium and nickel content, specifically demonstrated as follows:
Excellent High-Temperature Corrosion Resistance and Oxidation Resistance: Due to its high chromium content and sufficient nickel content, this alloy possesses superior resistance to high-temperature corrosion. The chromium element forms a dense chromium oxide protective layer on the surface of Incoloy 800 Thread Rod, effectively resisting high-temperature oxidation, carburization, and corrosion in high-temperature, high-pressure water, which is crucial for long-term stable Thread Rod applications.
The exceptional performance of Incoloy 800 Thread Rod is primarily attributed to its high chromium and nickel content, specifically demonstrated as follows:
Excellent High-Temperature Corrosion Resistance and Oxidation Resistance: Due to its high chromium content and sufficient nickel content, this alloy possesses superior resistance to high-temperature corrosion. The chromium element forms a dense chromium oxide protective layer on the surface of Incoloy 800 Thread Rod, effectively resisting high-temperature oxidation, carburization, and corrosion in high-temperature, high-pressure water, which is crucial for long-term stable Thread Rod applications.
Good Resistance to Stress Corrosion Cracking (SCC): In chlorides, low-concentration NaOH aqueous solutions, and high-temperature, high-pressure water, Incoloy 800 Thread Rod exhibits excellent resistance to stress corrosion cracking. Its high nickel content provides good resistance to stress corrosion cracking under aqueous corrosion conditions, ensuring the reliability of fasteners made from Incoloy 800 in complex operating conditions.
Resistance to Various Chemical Media:
Good Nitric Acid Resistance: The corrosion resistance of Incoloy 800 Thread Rod is superior to general austenitic stainless steels, and its nitric acid resistance is significantly better than 304 stainless steel.
Good Nitric Acid Resistance: The corrosion resistance of Incoloy 800 Thread Rod is superior to general austenitic stainless steels, and its nitric acid resistance is significantly better than 304 stainless steel.
Resistance to Organic Acids and Oxidizing Salts: This alloy also demonstrates good corrosion resistance to organic acids (such as formic acid, acetic acid, propionic acid) and can resist corrosion from oxidizing and non-oxidizing salts, except halide salts, broadening the application range of Incoloy 800 Thread Rod.
Limitations: It is important to note that Incoloy 800 Thread Rod has limited corrosion resistance in reducing acids like sulfuric acid and hydrochloric acid. Furthermore, in halide salt environments (e.g., chlorides), pitting corrosion may occur at high concentrations, which should be considered during selection.
Summary
In summary, Incoloy 800 Thread Rod demonstrates excellent corrosion resistance in environments such as high temperatures, nitric acid, organic acids, alkaline solutions, and high-temperature, high-pressure water, and it particularly effectively resists stress corrosion cracking. This makes Incoloy 800 Thread Rod a reliable choice for harsh environments in sectors such as chemical processing, energy, and nuclear power. However, when selecting Incoloy 800 Thread Rod for critical fastener applications, its limitations in reducing acids like sulfuric and hydrochloric acid, as well as in high-concentration chloride environments, must be considered.
In summary, Incoloy 800 Thread Rod demonstrates excellent corrosion resistance in environments such as high temperatures, nitric acid, organic acids, alkaline solutions, and high-temperature, high-pressure water, and it particularly effectively resists stress corrosion cracking. This makes Incoloy 800 Thread Rod a reliable choice for harsh environments in sectors such as chemical processing, energy, and nuclear power. However, when selecting Incoloy 800 Thread Rod for critical fastener applications, its limitations in reducing acids like sulfuric and hydrochloric acid, as well as in high-concentration chloride environments, must be considered.
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