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Monel 400 Screw
QS Fastener: Monel 400 Screw
Name: Monel 400 Screw
Material: Monel 400
Standard: NF, ANSI, DIN
Size: M36
Length: 480 mm
Application: For Seawater, Sulfuric Acid and Hydrochloric Acid Environment
Feature: Nonmagnetic, high strength, corrosion resistance
Material: Monel 400
Standard: NF, ANSI, DIN
Size: M36
Length: 480 mm
Application: For Seawater, Sulfuric Acid and Hydrochloric Acid Environment
Feature: Nonmagnetic, high strength, corrosion resistance
Quantity
The Monel 400 Screw is crafted from the superior Monel 400 nickel-based alloy, adhering to standards such as NF, ANSI, and DIN. With a size of M36 and a length of 480 mm, it is specifically engineered for extreme corrosive environments. Its non-magnetic properties, high strength, and exceptional corrosion resistance make it excel in highly corrosive settings such as seawater, sulfuric acid, and hydrochloric acid. Widely utilized in marine engineering, chemical equipment, and acidic media processing systems, the Monel 400 Screw not only withstands salt spray erosion and strong acid challenges but also maintains stable mechanical performance under harsh conditions, making it a reliable choice for high-performance fasteners in corrosive environments.
Monel 400 is a nickel-copper alloy renowned for its outstanding corrosion resistance in various acidic environments. The Monel 400 Screw performs particularly well in acidic media such as sulfuric acid, hydrochloric acid, and hydrofluoric acid.
1. Corrosion Resistance in Sulfuric Acid Environments
The Monel 400 Screw demonstrates excellent corrosion resistance in sulfuric acid environments, especially in low and medium concentrations.
The Monel 400 Screw demonstrates excellent corrosion resistance in sulfuric acid environments, especially in low and medium concentrations.
1.1 Corrosion Rate
Low Concentration Sulfuric Acid (<10%): At room temperature, the corrosion rate of Monel 400 Screw in 5% sulfuric acid is typically less than 0.02 mm/year, indicating its high corrosion resistance.
Low Concentration Sulfuric Acid (<10%): At room temperature, the corrosion rate of Monel 400 Screw in 5% sulfuric acid is typically less than 0.02 mm/year, indicating its high corrosion resistance.
Medium Concentration Sulfuric Acid (10-50%): In 20% sulfuric acid, the corrosion rate of Monel 400 Screw is approximately 0.05 mm/year, still significantly lower than many other metallic materials.
High Concentration Sulfuric Acid (>50%): In high-concentration sulfuric acid, the corrosion resistance of Monel 400 Screw decreases but remains superior to most stainless steel and carbon steel materials.
1.2 Temperature Effects
The corrosion resistance of Monel 400 Screw in sulfuric acid environments decreases with increasing temperature. For example, in 10% sulfuric acid, as the temperature rises from 25°C to 80°C, the corrosion rate increases from 0.02 mm/year to 0.1 mm/year.
The corrosion resistance of Monel 400 Screw in sulfuric acid environments decreases with increasing temperature. For example, in 10% sulfuric acid, as the temperature rises from 25°C to 80°C, the corrosion rate increases from 0.02 mm/year to 0.1 mm/year.
1.3 Practical Applications
The Monel 400 Screw is widely used in sulfuric acid storage tanks, pipelines, and pump valves, excelling in low and medium concentration sulfuric acid environments with a service life of over 10 years.
The Monel 400 Screw is widely used in sulfuric acid storage tanks, pipelines, and pump valves, excelling in low and medium concentration sulfuric acid environments with a service life of over 10 years.
2. Corrosion Resistance in Hydrochloric Acid Environments
The Monel 400 Screw has relatively lower corrosion resistance in hydrochloric acid environments but still demonstrates certain anti-corrosion capabilities under specific conditions.
The Monel 400 Screw has relatively lower corrosion resistance in hydrochloric acid environments but still demonstrates certain anti-corrosion capabilities under specific conditions.
2.1 Corrosion Rate
Low Concentration Hydrochloric Acid (<5%): At room temperature, the corrosion rate of Monel 400 Screw in 1% hydrochloric acid is approximately 0.1 mm/year, indicating its moderate corrosion resistance.
Medium Concentration Hydrochloric Acid (5-20%): In 10% hydrochloric acid, the corrosion rate of Monel 400 Screw increases significantly, typically exceeding 1 mm/year, indicating its poor corrosion resistance in high-concentration hydrochloric acid.
Low Concentration Hydrochloric Acid (<5%): At room temperature, the corrosion rate of Monel 400 Screw in 1% hydrochloric acid is approximately 0.1 mm/year, indicating its moderate corrosion resistance.
Medium Concentration Hydrochloric Acid (5-20%): In 10% hydrochloric acid, the corrosion rate of Monel 400 Screw increases significantly, typically exceeding 1 mm/year, indicating its poor corrosion resistance in high-concentration hydrochloric acid.
2.2 Temperature Effects
The corrosion resistance of Monel 400 Screw in hydrochloric acid environments decreases significantly with rising temperature. For example, in 1% hydrochloric acid, as the temperature increases from 25°C to 50°C, the corrosion rate rises from 0.1 mm/year to 0.5 mm/year.
The corrosion resistance of Monel 400 Screw in hydrochloric acid environments decreases significantly with rising temperature. For example, in 1% hydrochloric acid, as the temperature increases from 25°C to 50°C, the corrosion rate rises from 0.1 mm/year to 0.5 mm/year.
2.3 Practical Applications
The Monel 400 Screw is still applicable in low-concentration hydrochloric acid environments. However, in high-concentration hydrochloric acid, more corrosion-resistant materials such as Hastelloy or titanium alloys are typically preferred.
The Monel 400 Screw is still applicable in low-concentration hydrochloric acid environments. However, in high-concentration hydrochloric acid, more corrosion-resistant materials such as Hastelloy or titanium alloys are typically preferred.
3. Corrosion Resistance in Hydrofluoric Acid Environments
The Monel 400 Screw demonstrates excellent corrosion resistance in hydrofluoric acid environments, especially in low and medium concentrations.
The Monel 400 Screw demonstrates excellent corrosion resistance in hydrofluoric acid environments, especially in low and medium concentrations.
3.1 Corrosion Rate
Low Concentration Hydrofluoric Acid (<10%): At room temperature, the corrosion rate of Monel 400 Screw in 5% hydrofluoric acid is typically less than 0.01 mm/year, indicating its high corrosion resistance.
Low Concentration Hydrofluoric Acid (<10%): At room temperature, the corrosion rate of Monel 400 Screw in 5% hydrofluoric acid is typically less than 0.01 mm/year, indicating its high corrosion resistance.
Medium Concentration Hydrofluoric Acid (10-50%): In 20% hydrofluoric acid, the corrosion rate of Monel 400 Screw is approximately 0.02 mm/year, still significantly lower than many other metallic materials.
3.2 Temperature Effects
The corrosion resistance of Monel 400 Screw in hydrofluoric acid environments slightly decreases with increasing temperature. For example, in 5% hydrofluoric acid, as the temperature rises from 25°C to 80°C, the corrosion rate increases from 0.01 mm/year to 0.05 mm/year.
The corrosion resistance of Monel 400 Screw in hydrofluoric acid environments slightly decreases with increasing temperature. For example, in 5% hydrofluoric acid, as the temperature rises from 25°C to 80°C, the corrosion rate increases from 0.01 mm/year to 0.05 mm/year.
3.3 Practical Applications
The Monel 400 Screw is widely used in hydrofluoric acid storage tanks, pipelines, and pump valves, excelling in low and medium concentration hydrofluoric acid environments with a service life of over 15 years.
The Monel 400 Screw is widely used in hydrofluoric acid storage tanks, pipelines, and pump valves, excelling in low and medium concentration hydrofluoric acid environments with a service life of over 15 years.
4. Conclusion
The Monel 400 Screw exhibits outstanding corrosion resistance in acidic environments such as sulfuric acid, hydrochloric acid, and hydrofluoric acid, particularly in low and medium concentrations. Its low corrosion rate and excellent anti-corrosion capabilities make it an ideal material for acidic environments. Through practical applications and test data, the long-term stability and reliability of Monel 400 Screw in acidic environments have been thoroughly validated.
The Monel 400 Screw exhibits outstanding corrosion resistance in acidic environments such as sulfuric acid, hydrochloric acid, and hydrofluoric acid, particularly in low and medium concentrations. Its low corrosion rate and excellent anti-corrosion capabilities make it an ideal material for acidic environments. Through practical applications and test data, the long-term stability and reliability of Monel 400 Screw in acidic environments have been thoroughly validated.
When selecting fasteners for demanding acidic environments, the Monel 400 Screw stands out as a reliable and high-performance choice, ensuring durability and stability in the most challenging conditions.
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