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Fujian Special Fastener
QS Fastener: Fujian Special Fastener
Name: Fujian Special Fastener
Material: NiCu30Fe
Standard: DIN, ANSI, BSW, NF
Size: 5/16 to 4 inch
Length: 30 to 800 mm
Product Grade: A
Tensile Strength(Rm): 480 N/mm²
Elongation: 35%
Application: For Seawater, Sulfuric Acid and Hydrochloric Acid Environment
Feature: Nonmagnetic, high strength, corrosion resistance
Material: NiCu30Fe
Standard: DIN, ANSI, BSW, NF
Size: 5/16 to 4 inch
Length: 30 to 800 mm
Product Grade: A
Tensile Strength(Rm): 480 N/mm²
Elongation: 35%
Application: For Seawater, Sulfuric Acid and Hydrochloric Acid Environment
Feature: Nonmagnetic, high strength, corrosion resistance
Quantity
The Fujian Special Fastener – DIN W.Nr.2.4360 is a premium-grade fastener manufactured from NiCu30Fe (Alloy 400/Monel® 400), a nickel-copper alloy renowned for its exceptional corrosion resistance and mechanical strength. Produced in Fujian Province, China – a key hub for specialty fastener manufacturing – this product meets rigorous international standards including DIN, ANSI, BSW, and NF, with sizes ranging from 5/16 to 4 inches and lengths from 30 to 800 mm.
Fujian has emerged as a strategic center for fastener production, particularly in Xiamen and Quanzhou, where manufacturers leverage advanced metallurgical expertise, well-developed port infrastructure, and agile production capabilities to serve global markets. The province’s fastener industry is known for its strong customization capacity, making it an ideal source for specialty fasteners requiring precise material specifications and stringent quality control.
Material & Mechanical Properties
The NiCu30Fe material offers a unique combination of properties critical for demanding environments:
The NiCu30Fe material offers a unique combination of properties critical for demanding environments:
| Property | Value | Test Standard |
| Tensile Strength (Rm) | 550 MPa (80 ksi) | ASTM E8/E8M |
| Yield Strength (Rp0.2) | 240 MPa (35 ksi) | ASTM E8/E8M |
| Elongation | 40% | ASTM E8/E8M |
| Hardness | HRB 70 | ASTM E18 |
The tensile strength (550 MPa) significantly exceeds the yield strength (240 MPa), indicating excellent fracture resistance after yielding. The 40% elongation demonstrates superior plastic deformation capability, enabling energy absorption and preventing sudden failure in dynamic applications. With a hardness of HRB 70, the fastener offers balanced wear resistance and machinability.
Key Features
- Non-magnetic – essential for sensitive electronic and instrumentation applications
- High strength – comparable to structural steel
- Superior corrosion resistance – excels in seawater, sulfuric acid, and hydrochloric acid environments
- Resistant to chloride-induced stress corrosion cracking
- Maintains mechanical properties from sub-zero temperatures up to ~550°C
- Non-magnetic – essential for sensitive electronic and instrumentation applications
- High strength – comparable to structural steel
- Superior corrosion resistance – excels in seawater, sulfuric acid, and hydrochloric acid environments
- Resistant to chloride-induced stress corrosion cracking
- Maintains mechanical properties from sub-zero temperatures up to ~550°C
Application Scenarios
The Fujian Special Fastener is specifically engineered for extreme corrosive environments:
Marine Engineering: Propeller shafts, pump shafts, splash-zone sheathing, offshore platform structures, and seawater desalination plants
The Fujian Special Fastener is specifically engineered for extreme corrosive environments:
Marine Engineering: Propeller shafts, pump shafts, splash-zone sheathing, offshore platform structures, and seawater desalination plants
Chemical Processing: Equipment handling sulfuric acid, hydrochloric acid, hydrofluoric acid, and caustic solutions
Petroleum & Petrochemical: Crude oil distillation columns, refineries, and offshore oil platforms
Power Generation: Feed-water heaters, steam generator tubing, and nuclear fuel production facilities
Quality Assurance & Inspection
All Fujian Special Fastener products undergo rigorous testing per ASTM standards, ensuring compliance with Grade A requirements. Fujian manufacturers employ vertically integrated quality systems with in-house material testing laboratories, supporting on-time delivery rates exceeding 99%.
All Fujian Special Fastener products undergo rigorous testing per ASTM standards, ensuring compliance with Grade A requirements. Fujian manufacturers employ vertically integrated quality systems with in-house material testing laboratories, supporting on-time delivery rates exceeding 99%.
Conclusion
The Fujian Special Fastener – DIN W.Nr.2.4360 represents a premier choice for engineers and procurement professionals seeking reliable, high-performance fastening solutions in corrosive environments. Leveraging Fujian’s manufacturing excellence and global export capabilities, this product delivers the durability, safety, and performance demanded by marine, chemical, and energy industries worldwide.
The Fujian Special Fastener – DIN W.Nr.2.4360 represents a premier choice for engineers and procurement professionals seeking reliable, high-performance fastening solutions in corrosive environments. Leveraging Fujian’s manufacturing excellence and global export capabilities, this product delivers the durability, safety, and performance demanded by marine, chemical, and energy industries worldwide.
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