Product Description

Our heavy duty galvanized chain is a general-purpose heavy-load protective chain. It is made of high-quality low-carbon alloy steel as the base material, through automatic chain weaving, precision welding, overall heat treatment and then hot-dip galvanizing surface treatment. It combines high-strength load-bearing capacity with excellent rust and corrosion resistance, and can adapt to various scenarios such as outdoor heavy load, lifting and binding, facility traction and protective enclosure. The mainstream specifications are Grade G30 and G70, with firm welding of chain links and regular structure, and a safety factor of no less than 4 times. It can stably bear continuous tension and short-term impact load, and is not prone to deformation or fracture. It is a commonly used load-bearing component in industrial operations, outdoor engineering and logistics transportation scenarios. The zinc layer of our heavy duty galvanized chain is uniformly covered and has strong adhesion, which can effectively isolate air, moisture and corrosive media. Compared with ordinary black paint chains, its rust-proof life in outdoor open-air environments can be increased by more than 3 times, reducing the cost investment of frequent replacement.
For different usage needs, heavy duty galvanized chain provides a full range of chain diameters from 6mm to 24mm, supports customized length by meter, and can also be processed into finished components such as chain slings, binding chains and guardrail chains on demand. The surface galvanized layer of the product is smooth and flat, without defects such as missing plating and zinc nodules, which not only has the practicability of industrial use, but also adapts to scenarios with certain appearance requirements such as landscape guardrails and river protection. Compared with ordinary galvanized chains on the market, our heavy-duty model adopts thicker base material and more rigorous heat treatment process, and the actual load-bearing capacity is more than 20% higher than ordinary products of the same specification. At the same time, it has been verified by salt spray test, and the anti-corrosion performance is stable and reliable. With high versatility and cost performance, the product has become a category for hardware wholesalers, engineering contractors and equipment suppliers, and can widely cover multiple downstream markets such as industry, infrastructure, security and civil use.
Application Fields
The product application scenarios cover multiple fields such as industrial production, engineering infrastructure, logistics transportation and municipal protection. In industrial scenarios, it can be used for heavy object traction in workshops, auxiliary equipment hoisting, material hanging on assembly lines, and can also be used as supporting chains for hand chain hoists and lifting blocks; in engineering infrastructure scenarios, it can be used for building material binding, scaffold reinforcement, temporary protective enclosure construction, and fixed traction of outdoor power facilities and communication base stations; in the field of logistics transportation, it can be used as cargo binding chains and carriage fixing chains to ensure cargo stability during long-distance transportation; at the same time, it can also be used in municipal and civil scenarios such as river guardrails, garden landscape protection, parking lot vehicle blocking and livestock breeding fences. The product can adapt to various environments such as outdoor humidity, industrial dust and outdoor sun exposure, and meet the heavy load and protection needs of different industries.

Factory Strength
As an original manufacturer with more than 20 years of chain production experience, we have been focusing on the R&D and large-scale manufacturing of various metal chains since our official establishment in December 2003. The factory covers an area of about 10,000 square meters, equipped with a full set of advanced production and testing equipment such as automatic chain weaving machines, automatic welding machines, positioning tensile machines, tensile testing machines and salt spray testing machines. With a stable monthly production capacity of 120 tons, we can efficiently undertake the production needs of large-volume conventional orders and customized orders. We have established an exclusive R&D team to continuously optimize product processes and performance according to market demand. At present, we have obtained 3 invention patents and passed the ISO9001 quality management system certification. Our products not only cover more than 30 provinces, municipalities and autonomous regions in China, but are also exported to many countries and regions in Europe, America, the Middle East and Southeast Asia, and have won long-term recognition from many overseas customers with stable quality and delivery capacity.
Application Fields
With the dual advantages of heavy load and anti-corrosion, heavy duty galvanized chain has irreplaceable use value in more segmented scenarios. In the mining and excavation industry, it can be used for underground equipment traction, mine car connection, and auxiliary material lifting, adapting to the humid and dusty operating environment in mines; in the fishery and aquaculture field, it can be used for net cage fixing, marine protection and auxiliary port mooring, withstanding the erosion of coastal high salt spray environment; at the same time, it is also widely used in outdoor amusement facilities, high-altitude operation protection, fire rescue support and other scenarios, as a safety load-bearing component to provide reliable guarantee for operations and facilities. We can recommend suitable specifications and surface treatment solutions according to customers' specific usage scenarios to ensure that product performance is highly matched with usage needs.
FAQ
Q: What is the minimum order quantity for this heavy duty galvanized chain?
A: The minimum order quantity for conventional specifications is 2000PCS. Mixed matching of different diameter specifications and surface treatment styles is supported within the same MOQ order, flexibly meeting stockpiling needs.
Q: Can samples be provided before mass production?
A: Pre-production samples can be provided to confirm dimensions and quality. Small samples can be provided free of charge, and the express fee shall be borne by the customer; the development cycle of customized samples is about 15 days.
Q: How long is the delivery time for standard specifications?
A: For standard specification products, the production cycle for a 20GP volume is about 20 days; the delivery time for repeat orders can be shortened by about 5 days accordingly.
Q: Is third-party inspection supported?
A: Yes, we accept on-site inspection by third-party institutions entrusted by customers. 100% full inspection will be carried out before finished product packaging to ensure product quality meets the standards.
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Parameter Item |
Parameter Details |
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Chain Diameter Range |
6mm-24mm (non-standard customization supported) |
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Strength Grade |
Grade G30, G70 |
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Core Material |
High-quality low-carbon alloy steel |
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Safety Factor |
≥4 times breaking safety factor |
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Surface Treatment |
Hot-dip galvanizing, electro-galvanizing optional |
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Applicable Standards |
GB/T 12718, ASTM A413 |
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Operating Temperature Range |
-30℃ ~ 150℃ |
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Reference Weight per Meter |
Starting from 0.39kg/m (φ6mm), increasing with diameter |






