Spring Hinge For Chain Link Gate
Product name: spring hinge for chain link gate
Material: Carbon steel/SS304
Product information
SKYSEN, a leading manufacturer of fence and gate hardware in China with 15 years of experience, manufactures Commercial Chain Link Fence Hinges specifically for commercial and residential fencing systems. Crafted from high-strength carbon steel or SS304 stainless steel, these hinges are precision-stamped and double-coated (electrophoretic paint + powder coating) for durability and aesthetics. The hinges include a reinforced pin and matching bolts and nuts, eliminating the need for additional drilling. They quickly adapt to 48-60mm diameter fence tubing, ensuring smooth, seamless horizontal rotation. Whether for wooden or vinyl doors, these hinges offer a 500kg vertical load capacity and 300kg horizontal shear resistance, making them suitable for a wide range of applications. They are a professional fencing hardware solution that balances performance and practicality.
Product Advantages and Features
1. Heavy-Duty Stable Support: The hinge pins are made of tempered 45# steel (hardness HRC45-50), with a vertical load capacity of 500kg and a horizontal shear resistance of 300kg. Combined with 8.8-grade high-strength bolts, they can firmly support large fence gates. Even under frequent collisions with livestock or crushing equipment, the structure maintains no noticeable deformation, ensuring long-term stability.
2. Superior Weather and Corrosion Resistance: The surface is treated with a double-layer electrophoretic paint and powder coating process, which has been tested for 1000 hours in salt spray. It effectively blocks moisture and salt corrosion in highly corrosive environments such as humid and coastal areas, extending its lifespan three times that of conventional coatings and making it suitable for diverse global climates.
3. Ultra-Quick and Convenient Installation: Equipped with M8 high-strength bolts and nuts, no additional drilling is required during installation. Simply align the fence pipe at the correct height and secure. A single operator can complete a pair of hinges in just 15 minutes, significantly reducing construction time and labor costs, and improving project implementation efficiency.
The material is strong, allowing for smooth and flexible rotation of the pins without any sticking. It boasts excellent support capability, able to firmly uphold gates of corresponding sizes. It maintains stability during horizontal rotation, has high vertical and horizontal bearing capacity, and is resistant to changeable and breakage. Mounting it is a breeze; matching bolts and nuts are all that is needed to attach it to the door frame and post at corresponding heights. The coatings effectively safeguard the internal material from erosion, minimizing damage from external factors.
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FastenedDue to the use of high-quality fasteners and panels, they securely clamp the fence pipes, preventing it from becoming loose or unstable. The hinge pins require tapping to be combined, ensuring a long-lasting tight connection and optimal performance.
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Resilient Bearing StrengthThe components are sturdy, particularly the hinge pin, which can withstand significant weight and is resistant to distortion. The complementary bolts and nuts are also effective at securing the hinged panels to the enclosure, particularly the gate-supporting section, with exceptional load capacity.
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WearproofThe hinge pin's size is well-designed for tight assembly and allows for smooth rotation without excessive friction or loss. The hinged panel is securely attached to the fence pipes and is difficult to move, causing friction with the fence. Its exterior is resistant to external forces and can maintain smooth operation.
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Minimalist designThe style is characterized by simplicity, fewer redundant parts, and excellent practicality. Coupled with its basic color scheme and smooth line outline, it can complement a wider range of chain link door fence styles and designs, without detracting from the overall aesthetic.
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Weather-tightThe material's hardness, elasticity, and ductility make the hinge resistant to wind and rain, preventing warping or breakage. It performs well in significant temperature changes. Protective paint shields against wet and light, making it suitable for diverse environments.
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ConvenientThe spring provides a steady and sufficient thrust for the closure of the gate, reducing the time spent by the user in closing. This not only improves daily efficiency, but also reduces the security risks caused by not closing the door in time, and is more suitable for use in places with children or pets.
Product Testing
To ensure the performance and reliability of Commercial Chain Link Fence Hinges, SKYSEN has established a multi-dimensional testing system:
Load-bearing test: A 500kg weight was applied vertically for 72 hours, and the hinge structure showed no noticeable deformation. A 300kg shear force was applied horizontally, and the connection remained intact, verifying structural stability under heavy loads.
Corrosion test: After 1000 hours of spraying in a neutral salt spray chamber, the coating integrity was >95%, and the substrate was free of rust, demonstrating corrosion resistance in high-humidity and high-salt environments.
Durability test: Simulating an average daily switching frequency of 200 times, after 100,000 continuous cycles, the rotational friction increased by only 1.2N (the industry standard allows a 20% increase), far below the threshold, ensuring a smooth experience during long-term use.
This comprehensive testing process ensures that the product meets internationally leading standards in core performance, including load-bearing capacity, weather resistance, and durability, with a factory defect rate of less than 0.5%.
Material Analysis
Commercial Chain Link Fence Hinges utilize a dual-material solution to suit different scenarios:
Carbon Steel Version: Made of Q235 grade carbon steel with a yield strength ≥ 235 MPa, it undergoes a hot-dip galvanizing treatment with an epoxy zinc primer and a polyester topcoat, with a coating thickness of 80-120 μm. This provides a balance of strength and basic corrosion resistance, making it suitable for general outdoor applications (such as residential and farm settings).
SS304 Stainless Steel Version: Contains 18% chromium and 8% nickel, with a tensile strength ≥ 520 MPa. It offers excellent resistance to chloride ion corrosion, making it suitable for humid, high-salt environments like coastal areas and swimming pools, ensuring long-term rust-free use.
Hinge Pin: Made of quenched and tempered 45# steel with a hardness of HRC45-50, it offers 40% improved wear resistance compared to ordinary steel, ensuring the long life of rotating components. Fasteners: 8.8-grade high-strength bolts with a tensile strength of 800MPa ensure that the connection parts will not loosen under heavy loads; the nuts adopt an anti-loosening design to avoid the risk of falling off due to long-term vibration.
Application Areas (Horse Farms)
Horse farm gates are subject to frequent opening and closing and withstand the impact of horses. The hinges have a 500kg load capacity and 300kg shear resistance for secure support. Springs automatically close to prevent horses from escaping. The matte black coating resists trampling and wear, and the 1000-hour salt spray test ensures compatibility with humid outdoor environments, reducing safety risks for ranch management.
Why choose SKYSEN?
As a leading fence and gate hardware manufacturer in China, SKYSEN has focused on the export market for 15 years, serving over 2,000 corporate clients in over 50 countries worldwide. We adhere to the following principles:
Environmental Protection and Compliance: Our products use environmentally friendly materials and comply with international standards such as RoHS and REACH. Our carbon footprint is 12% lower than the industry average, meeting the sustainable development needs of our overseas customers.
Expertise and R&D: Our 50-person technical team invests 5% of our annual revenue in R&D, resulting in over 20 patents and industry-leading hinge performance in load-bearing and weather resistance. Our 10,000-square-meter smart factory features automated production, with a monthly production capacity of 500,000 units and a 98% guaranteed delivery rate.
Quality Control and After-Sales: We adhere to ISO9001 throughout the entire process. All our products undergo load-bearing, salt spray, and rotation tests, with a defective rate of less than 0.5%. We offer a three-year warranty (free replacement for non-human damage) and 24/7 professional customer service, ensuring a worry-free purchasing experience for our overseas customers. Choosing SKYSEN means choosing a professional, reliable and efficient fence hardware supply chain partner to help your project reduce costs and increase efficiency.
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