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DIN W.Nr.2.4360 Stud Bolt
QS Fastener: DIN W.Nr.2.4360 Stud Bolt
Name: DIN W.Nr.2.4360 Stud Bolt
Material: Monel 400
Size: 2 inch
Length: 590 mm
Tensile Strength(Rm): 480 N/mm²
Standard: ANSI N04400, DIN W.Nr.2.4360
Feature: Excellent corrosion resistance
Application: For Seawater environment, sulfuric acid drinking hydrochloric acid environment
Material: Monel 400
Size: 2 inch
Length: 590 mm
Tensile Strength(Rm): 480 N/mm²
Standard: ANSI N04400, DIN W.Nr.2.4360
Feature: Excellent corrosion resistance
Application: For Seawater environment, sulfuric acid drinking hydrochloric acid environment
Quantity
The DIN W.Nr.2.4360 Stud Bolt is crafted from high-performance Monel 400 nickel-based alloy, specifically designed for extreme corrosive environments. With a size of 2 inches and a length of 590 mm, it complies with standards such as ANSI N04400 and DIN W.Nr.2.4360, offering a tensile strength of up to 480 N/mm², ensuring excellent performance even under harsh conditions. Renowned for its exceptional corrosion resistance, the DIN W.Nr.2.4360 Stud Bolt is particularly suitable for highly corrosive environments such as seawater, sulfuric acid, and hydrochloric acid, making it ideal for marine engineering, chemical equipment, and acidic media processing systems. Whether facing salt spray erosion or strong acid challenges, the DIN W.Nr.2.4360 Stud Bolt provides durable and reliable connections, making it the preferred choice for high-performance fasteners in corrosive environments.
Monel 400 is a nickel-copper alloy celebrated for its outstanding corrosion resistance in seawater and salt spray environments. This alloy is widely used in marine engineering, and the DIN W.Nr.2.4360 Stud Bolt is a prime example of its application.
1. Corrosion Resistance in Seawater Environments
The DIN W.Nr.2.4360 Stud Bolt exhibits excellent corrosion resistance in seawater environments, primarily due to the unique composition and passivation characteristics of Monel 400 nickel-copper alloy.
The DIN W.Nr.2.4360 Stud Bolt exhibits excellent corrosion resistance in seawater environments, primarily due to the unique composition and passivation characteristics of Monel 400 nickel-copper alloy.
1.1 Corrosion Rate
Static Seawater: The corrosion rate of DIN W.Nr.2.4360 Stud Bolt in static seawater is extremely low, typically less than 0.025 mm/year. This indicates its ability to maintain stable performance even under long-term immersion.
Static Seawater: The corrosion rate of DIN W.Nr.2.4360 Stud Bolt in static seawater is extremely low, typically less than 0.025 mm/year. This indicates its ability to maintain stable performance even under long-term immersion.
Flowing Seawater: In flowing seawater, the corrosion rate of DIN W.Nr.2.4360 Stud Bolt slightly increases but remains within the range of 0.03-0.05 mm/year, significantly lower than many other metallic materials.
1.2 Pitting and Crevice Corrosion
Pitting Corrosion: The DIN W.Nr.2.4360 Stud Bolt exhibits minimal susceptibility to pitting corrosion in seawater, with a pitting potential (Epit) typically above +0.3 V (vs. SCE), demonstrating its excellent resistance to pitting in chloride-containing environments.
Pitting Corrosion: The DIN W.Nr.2.4360 Stud Bolt exhibits minimal susceptibility to pitting corrosion in seawater, with a pitting potential (Epit) typically above +0.3 V (vs. SCE), demonstrating its excellent resistance to pitting in chloride-containing environments.
Crevice Corrosion: The DIN W.Nr.2.4360 Stud Bolt shows strong resistance to crevice corrosion, with a critical crevice corrosion temperature (CCT) typically above 50°C, far exceeding the actual temperatures of seawater environments.
1.3 Stress Corrosion Cracking (SCC)
The DIN W.Nr.2.4360 Stud Bolt demonstrates superior resistance to stress corrosion cracking in seawater environments. In a 3.5% NaCl solution, its stress corrosion cracking threshold stress (KISCC) is typically above 30 MPa·√m, indicating its stability even under high-stress conditions.
The DIN W.Nr.2.4360 Stud Bolt demonstrates superior resistance to stress corrosion cracking in seawater environments. In a 3.5% NaCl solution, its stress corrosion cracking threshold stress (KISCC) is typically above 30 MPa·√m, indicating its stability even under high-stress conditions.
2. Corrosion Resistance in Salt Spray Environments
The DIN W.Nr.2.4360 Stud Bolt also excels in salt spray environments, making it an ideal material for marine atmospheric conditions.
The DIN W.Nr.2.4360 Stud Bolt also excels in salt spray environments, making it an ideal material for marine atmospheric conditions.
2.1 Salt Spray Test Data
ASTM B117 Salt Spray Test: After 1000 hours of exposure in a standard salt spray test (5% NaCl solution, 35°C), the DIN W.Nr.2.4360 Stud Bolt showed only slight surface discoloration, with no significant corrosion products or pitting.
ASTM B117 Salt Spray Test: After 1000 hours of exposure in a standard salt spray test (5% NaCl solution, 35°C), the DIN W.Nr.2.4360 Stud Bolt showed only slight surface discoloration, with no significant corrosion products or pitting.
Corrosion Rate: In salt spray environments, the corrosion rate of DIN W.Nr.2.4360 Stud Bolt is typically less than 0.01 mm/year, demonstrating its exceptional resistance to salt spray corrosion.
2.2 Surface Passivation
The DIN W.Nr.2.4360 Stud Bolt rapidly forms a dense oxide layer (passivation film) in salt spray environments. This layer, primarily composed of NiO and Cu₂O, effectively prevents further corrosion by corrosive media.
The DIN W.Nr.2.4360 Stud Bolt rapidly forms a dense oxide layer (passivation film) in salt spray environments. This layer, primarily composed of NiO and Cu₂O, effectively prevents further corrosion by corrosive media.
3. Conclusion
The DIN W.Nr.2.4360 Stud Bolt demonstrates outstanding corrosion resistance in seawater and salt spray environments. Its low corrosion rate, high resistance to pitting and crevice corrosion, and excellent stress corrosion cracking performance make it an ideal material for marine engineering and chemical equipment. Through practical applications and test data, the long-term stability and reliability of DIN W.Nr.2.4360 Stud Bolt in extreme corrosive environments have been thoroughly validated.
The DIN W.Nr.2.4360 Stud Bolt demonstrates outstanding corrosion resistance in seawater and salt spray environments. Its low corrosion rate, high resistance to pitting and crevice corrosion, and excellent stress corrosion cracking performance make it an ideal material for marine engineering and chemical equipment. Through practical applications and test data, the long-term stability and reliability of DIN W.Nr.2.4360 Stud Bolt in extreme corrosive environments have been thoroughly validated.
When selecting fasteners for demanding corrosive environments, the DIN W.Nr.2.4360 Stud Bolt stands out as a reliable and high-performance choice, ensuring durability and stability in the most challenging conditions.
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