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DIN W.Nr.2.4360 Bolt, Monel 400, 480 N/mm², Elongation 35%
DIN W.Nr.2.4360 Bolt, Monel 400, 480 N/mm², Elongation 35%
DIN W.Nr.2.4360 Bolt
DIN W.Nr.2.4360 Bolt

DIN W.Nr.2.4360 Bolt

QS Fastener: DIN W.Nr.2.4360 Bolt
Name: DIN W.Nr.2.4360 Bolt
Material: Monel 400
Tensile Strength(Rm): 480 N/mm²
Elongation: 35%
Size: 1-1/8 inch
Length: 360 mm
Standard: ANSI N04400, DIN W.Nr.2.4360
Feature: Excellent corrosion resistance
Application: For Seawater environment, sulfuric acid drinking hydrochloric acid environment, A large amount, the most widely used, excellent overall performance of the corrosion resistant alloy
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The DIN W.Nr.2.4360 Bolt is made from Monel 400, offering exceptional mechanical properties and toughness. With a tensile strength of 480 N/mm² and an elongation rate of 35%, it is suitable for demanding industrial environments. The product is available in a size of 1-1/8 inches and a length of 360 mm, and can be produced to meet standards such as ANSI N04400 and DIN W.Nr.2.4360. The Monel 400 material endows the DIN W.Nr.2.4360 Bolt with excellent corrosion resistance, making it particularly suitable for use in seawater environments, sulfuric acid, hydrochloric acid, and other highly corrosive media. As one of the most widely used and comprehensively high-performance corrosion-resistant alloys, the DIN W.Nr.2.4360 Bolt excels in marine engineering, chemical equipment, and acidic environments, providing durable and stable connections to ensure safety and longevity.  
Corrosion Resistance of DIN W.Nr.2.4360 Bolt  
The DIN W.Nr.2.4360 Bolt is renowned for its exceptional corrosion resistance, particularly in seawater, acidic, alkaline, and non-oxidizing acid environments. This makes it an ideal choice for highly corrosive conditions.  
 
1. Corrosion Resistance in Seawater Environments  
The DIN W.Nr.2.4360 Bolt demonstrates excellent corrosion resistance in seawater, especially under high salinity and humidity conditions. This performance is primarily due to the synergistic effect of its high nickel and copper content.  
 
Seawater Corrosion Resistance:  
In static seawater, the corrosion rate of the DIN W.Nr.2.4360 Bolt is below 0.025 mm/year, significantly lower than that of common stainless steel (e.g., 304 stainless steel) with a corrosion rate of approximately 0.1 mm/year.  

 
In flowing seawater, the corrosion rate of the DIN W.Nr.2.4360 Bolt further decreases to 0.01 mm/year, showcasing exceptional stability.  
Resistance to Chloride Stress Corrosion Cracking (SCC):  
 
The DIN W.Nr.2.4360 Bolt exhibits strong resistance to chloride stress corrosion cracking. In a 3.5% NaCl solution, its stress corrosion cracking threshold stress intensity factor (KISCC) is as high as 55 MPa·√m, far exceeding the 25 MPa·√m of 316 stainless steel.  
 
Even in high-temperature (>60°C) and high-concentration chloride environments, Monel 400 maintains excellent anti-cracking performance, making the DIN W.Nr.2.4360 Bolt a standout in marine engineering.  
 
2. Corrosion Resistance in Acidic Environments  
The DIN W.Nr.2.4360 Bolt performs exceptionally well in various acidic environments, particularly in non-oxidizing acids, where its corrosion resistance significantly surpasses that of most stainless steels and carbon steels.  
 
Sulfuric Acid (H₂SO₄):  
In sulfuric acid with concentrations below 70%, the corrosion rate of the DIN W.Nr.2.4360 Bolt is below 0.1 mm/year. For example, in 50% sulfuric acid at room temperature, its corrosion rate is only 0.05 mm/year.  

 
In high-temperature (>80°C) and high-concentration sulfuric acid, Monel 400 maintains a low corrosion rate (<0.2 mm/year), making the DIN W.Nr.2.4360 Bolt an ideal choice for chemical equipment.  
 
Hydrochloric Acid (HCl): 
In hydrochloric acid with concentrations below 20%, the corrosion rate of the DIN W.Nr.2.4360 Bolt is below 0.15 mm/year. For instance, in 10% hydrochloric acid at room temperature, its corrosion rate is 0.08 mm/year.  

 
In high-temperature and high-concentration hydrochloric acid, the corrosion rate of Monel 400 increases slightly but remains superior to most stainless steels, ensuring the long-term stability of the DIN W.Nr.2.4360 Bolt.  
 
Hydrofluoric Acid (HF):  
The DIN W.Nr.2.4360 Bolt exhibits excellent corrosion resistance in hydrofluoric acid. In concentrations below 10%, its corrosion rate is below 0.05 mm/year.  

 
In high-temperature and high-concentration hydrofluoric acid, Monel 400 maintains stable performance with a corrosion rate below 0.1 mm/year, making the DIN W.Nr.2.4360 Bolt a top performer in specialized chemical environments.  
 
3. Corrosion Resistance in Alkaline Environments  
The DIN W.Nr.2.4360 Bolt also performs exceptionally well in alkaline environments, particularly in high-concentration alkaline solutions, where its corrosion resistance significantly surpasses that of most metal materials.  
 
Sodium Hydroxide (NaOH):  
In sodium hydroxide solutions with concentrations below 50%, the corrosion rate of the DIN W.Nr.2.4360 Bolt is below 0.02 mm/year. For example, in 20% sodium hydroxide at room temperature, its corrosion rate is only 0.01 mm/year.  

 
In high-temperature (>100°C) and high-concentration sodium hydroxide, Monel 400 maintains a low corrosion rate (<0.05 mm/year), ensuring the long-term durability of the DIN W.Nr.2.4360 Bolt.  
 
Ammonium Hydroxide (NH₄OH):  
The DIN W.Nr.2.4360 Bolt demonstrates excellent corrosion resistance in ammonium hydroxide. In concentrations below 30%, its corrosion rate is below 0.01 mm/year.  

 
In high-temperature and high-concentration ammonium hydroxide, Monel 400 maintains stable performance with a corrosion rate below 0.02 mm/year, making the DIN W.Nr.2.4360 Bolt a top choice for chemical equipment.  
 
4. Corrosion Resistance in Non-Oxidizing Acids  
The DIN W.Nr.2.4360 Bolt exhibits outstanding corrosion resistance in non-oxidizing acids, particularly in sulfuric acid, hydrochloric acid, and hydrofluoric acid, where its performance significantly surpasses that of most stainless steels and carbon steels.  
 
Phosphoric Acid (H₃PO₄):  
In phosphoric acid with concentrations below 85%, the corrosion rate of the DIN W.Nr.2.4360 Bolt is below 0.05 mm/year. For instance, in 50% phosphoric acid at room temperature, its corrosion rate is only 0.02 mm/year.  

 
In high-temperature and high-concentration phosphoric acid, Monel 400 maintains a low corrosion rate (<0.1 mm/year), ensuring the long-term stability of the DIN W.Nr.2.4360 Bolt.  
 
Acetic Acid (CH₃COOH):
The DIN W.Nr.2.4360 Bolt demonstrates excellent corrosion resistance in acetic acid. In concentrations below 99%, its corrosion rate is below 0.01 mm/year.  

 
In high-temperature and high-concentration acetic acid, Monel 400 maintains stable performance with a corrosion rate below 0.02 mm/year, making the DIN W.Nr.2.4360 Bolt a top performer in food and chemical equipment.

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