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DIN W.Nr.1.4462 Fastener
QS Fastener: DIN W.Nr.1.4462 Fastener
Name: DIN W.Nr.1.4462 Fastener
Material: S32205
Size: M5 to M100
Lenght: 30 to 800 mm
Standard: ANSI, DIN
Elongation: 25%
Grade: A
Feature: Good resistance to chloride ion stress corrosion and good resistance to sulfide stress corrosion. At the same time, it has high mechanical strength.
Application: For Paper industry equipment, Food industry processing equipment, Thermal power plant flue gas desulfurization equipment, Offshore oil platforms, Desalination equipment, Oil field pipelines and equipment and other chemical equipment
Material: S32205
Size: M5 to M100
Lenght: 30 to 800 mm
Standard: ANSI, DIN
Elongation: 25%
Grade: A
Feature: Good resistance to chloride ion stress corrosion and good resistance to sulfide stress corrosion. At the same time, it has high mechanical strength.
Application: For Paper industry equipment, Food industry processing equipment, Thermal power plant flue gas desulfurization equipment, Offshore oil platforms, Desalination equipment, Oil field pipelines and equipment and other chemical equipment
Quantity
DIN W.Nr.1.4462 Fastener is manufactured from S32205 duplex stainless steel, with sizes ranging from M5 to M100 and lengths from 30 to 800 mm. Compliant with ANSI and DIN standards, it is classified as Grade A and offers an elongation rate of 25%. It exhibits exceptional resistance to chloride-induced stress corrosion cracking (SCC) and sulfide stress corrosion cracking (SSC), along with high mechanical strength. DIN W.Nr.1.4462 Fastener is widely used in paper industry equipment, food processing equipment, flue gas desulfurization systems in thermal power plants, offshore oil platforms, seawater desalination equipment, oilfield pipelines and equipment, and other chemical processing equipment. It is the ideal choice for demanding corrosive environments and high-strength applications.
DIN W.Nr.1.4462 Fastener is a duplex stainless steel fastener, with high strength being one of its core advantages. Its duplex structure (austenite + ferrite) provides significantly higher strength compared to traditional austenitic stainless steels (e.g., 304 and 316), enabling it to withstand higher loads.
1. Material Structure and High-Strength Mechanism
Duplex Structure:
The microstructure of DIN W.Nr.1.4462 Fastener consists of approximately 50% austenite (γ phase) and 50% ferrite (α phase). This duplex structure enhances the material's strength through the following mechanisms:
Grain Refinement: The mutual constraint between austenite and ferrite inhibits grain growth, resulting in a fine-grained structure that improves strength.
Duplex Structure:
The microstructure of DIN W.Nr.1.4462 Fastener consists of approximately 50% austenite (γ phase) and 50% ferrite (α phase). This duplex structure enhances the material's strength through the following mechanisms:
Grain Refinement: The mutual constraint between austenite and ferrite inhibits grain growth, resulting in a fine-grained structure that improves strength.
Dislocation Strengthening: The interfaces between the two phases hinder dislocation movement, increasing the material's resistance to deformation.
Solid Solution Strengthening: High levels of chromium, molybdenum, and nitrogen dissolved in the matrix further enhance the material's strength.
Thanks to its duplex structure, DIN W.Nr.1.4462 Fastener delivers outstanding mechanical performance in demanding environments, making it the preferred choice for high-strength applications.
2. Mechanical Properties Data
The mechanical properties of DIN W.Nr.1.4462 Fastener are significantly superior to those of traditional austenitic stainless steels, as shown in the following table:
The mechanical properties of DIN W.Nr.1.4462 Fastener are significantly superior to those of traditional austenitic stainless steels, as shown in the following table:
| Property | 2205 Alloy | 304 Stainless Steel | 316 Stainless Steel |
| Tensile Strength (Rm) | 620-900 MPa | 515-690 MPa | 515-690 MPa |
| Yield Strength (Rp0.2) | 450-700 MPa | 205-310 MPa | 205-310 MPa |
| Elongation (A) | 25-30% | 40-50% | 40-50% |
| Hardness (HV) | 250-300 HV | 150-200 HV | 150-200 HV |
The yield strength of DIN W.Nr.1.4462 Fastener is more than twice that of 304 and 316 stainless steel, and its tensile strength is also significantly higher.
Although its elongation is slightly lower than that of austenitic stainless steels, the 2205 alloy still offers good plasticity and toughness, meeting the requirements of engineering applications.
With its excellent mechanical properties, DIN W.Nr.1.4462 Fastener performs exceptionally well in marine engineering, petrochemical, and energy equipment applications, making it the ideal choice for high-strength scenarios.
3. Comparison with Traditional Austenitic Stainless Steels
Strength Comparison:
The yield strength of DIN W.Nr.1.4462 Fastener (450-700 MPa) is more than twice that of 304 and 316 stainless steel (205-310 MPa), and its tensile strength (620-900 MPa) is also significantly higher.
Strength Comparison:
The yield strength of DIN W.Nr.1.4462 Fastener (450-700 MPa) is more than twice that of 304 and 316 stainless steel (205-310 MPa), and its tensile strength (620-900 MPa) is also significantly higher.
Under the same load conditions, DIN W.Nr.1.4462 Fastener can be designed with smaller dimensions, reducing overall weight and cost.
Fatigue Performance:
The fatigue strength of DIN W.Nr.1.4462 Fastener (approximately 300 MPa) is significantly higher than that of 304 and 316 stainless steel (approximately 200 MPa), ensuring a longer service life under cyclic loading conditions.
The fatigue strength of DIN W.Nr.1.4462 Fastener (approximately 300 MPa) is significantly higher than that of 304 and 316 stainless steel (approximately 200 MPa), ensuring a longer service life under cyclic loading conditions.
Impact Toughness:
The impact toughness of DIN W.Nr.1.4462 Fastener (approximately 100 J) is slightly lower than that of 304 and 316 stainless steel (approximately 150 J), but it still meets the requirements of most engineering applications.
The impact toughness of DIN W.Nr.1.4462 Fastener (approximately 100 J) is slightly lower than that of 304 and 316 stainless steel (approximately 150 J), but it still meets the requirements of most engineering applications.
With its duplex structure and high-strength performance, DIN W.Nr.1.4462 Fastener has broad application prospects in marine engineering, petrochemical, and energy equipment industries. It significantly enhances the load-bearing capacity, safety, and cost-effectiveness of structures.
DIN W.Nr.1.4462 Fastener stands out as a reliable and high-performance solution for the most challenging environments, offering unmatched strength and durability.
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