Product Description
High Security Casting Door Chain Stainless Steel
Product Description
| Product name | High Security Casting Door Chain Stainless Steel |
| Product Model | DDDG002 |
| Material | Stainless steel / zinc alloy |
| Finish | SS,PSS,PVD,SNP,SCP,AB,AC |
| Accessories | screws  |
| Suitable for | Wooden door, Metal door, steel door etc. |
Packaging & Shipping
High Security Casting Door Chain Stainless Steel
| MOQÂ | 500 PCS |
| Package | 1 PC  / polybag / inner box in Standard export carton |
| Sample time | 3-5 working days |
| Production lead time | 20-25 days |
| Shipping Port | HangZhou , China  / HangZhou , China . |
Testing Quality
Company Information
Our Services
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D&D Hardware offers a combination of products to suite the individual Building, meeting not only the Requirements for Design and Function, but also the desired Budget.
More door hardware items include:
1. Stainless Steel Door Hinge- UL Listed & Fire Rated & CE Certificate
2. Door Locks – CEÂ EN12209 Fire RatedÂ
3. Stainless Steel Door Handles- BS EN 1906
4. Panic Exit Device- UL Listed & CE Certificate
5. Door Controls – CE BS EN 1154
6. Glass Hardware / Bathroom Hardware
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FAQ
High Security Casting Door Chain Stainless Steel
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Q:What certificate you have?
A:We have CE and UL certificate, all our product design follow up the international standard, such as the EN/CE, UL, ANSI standard.
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QÂ : Â Do you accept OEM or ODM?
A: Â Yes, We are professional in OEM and ODM now , Cooperating with famous brands for OEM & ODM.
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Q:Do you have quality system?
A:Yes, we have. We have set up our quality system and well controlled our production quality as per
the instructions and requirements in it and well-control each procedure throughout the mass-production.
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Q: Â What’s the guarantee of your products?
AÂ : Â 5 Year Mechanical Guarantee.Â
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Q: Â What’s the stainless steel Grade you are working now?
A:Â Â We are working mostly in SUS304 and SUS316, some items can be SUS201 as well.
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Q: Â Could you send me sample before I place an order?
A: Yes, offer 3 pcs free samples for your evaluation, you provide the Courier account for freight collect.
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Q: Â Are your company factory or trading company?
A: Â We are a SGS Audit factory, over 10 years manufacturing experience in architectural hardware.
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Q:What is your payment terms ?
A:T/T, D/P, Western Union, L/C.
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Q:Â How can I get the latest prices?
A:  Send requirements to us by mail or calling , we will reply you in 24 hours. D&D offer not only door hardware product but also Door Opening Solution.
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Shipping Cost:
Estimated freight per unit. |
To be negotiated|
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| Material: | Stainless Steel |
|---|---|
| Type: | Door Chain |
| Style: | Modern |
| Samples: |
US$ 6/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
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Can cast chains be used in heavy-duty lifting and rigging applications?
Yes, cast chains are often used in heavy-duty lifting and rigging applications due to their high strength and durability. They are designed to withstand heavy loads and provide reliable performance in demanding industrial settings.
The robust construction of cast chains, typically made from high-quality alloy steels, ensures they can handle the stress and forces involved in lifting and rigging operations. The chain links are designed to interlock securely, providing a safe and efficient means of lifting heavy objects.
In heavy-duty lifting applications, proper chain selection is crucial to ensure the chain’s working load limit (WLL) exceeds the maximum weight of the load being lifted. Additionally, factors such as the number of legs in the lifting configuration, the angle of the lift, and the length of the chain should be considered to ensure safe operation.
It’s essential to follow all safety guidelines and regulations when using cast chains for lifting and rigging purposes. Regular inspections, proper maintenance, and adherence to load limits are critical to ensuring the safety and reliability of the lifting operations.
When used correctly and in compliance with industry standards, cast chains offer a versatile and dependable solution for heavy-duty lifting and rigging applications in various industries, including construction, manufacturing, and maritime.

How do cast chains perform in high-speed applications?
Cast chains may not be the most suitable choice for high-speed applications due to their material properties and design characteristics. Cast chains are typically made from carbon steel, which can have limitations in terms of strength and wear resistance at high speeds.
High-speed applications put increased stress on the chain components, such as pins, rollers, and link plates. The centrifugal forces acting on these components can lead to higher wear and fatigue, potentially reducing the chain’s service life and increasing the risk of failure.
In contrast, other types of chains, such as precision roller chains or engineered chains made from higher-grade materials like alloy steels, are better suited for high-speed applications. These chains are specifically designed to handle the demands of high speeds and can provide improved fatigue resistance, wear resistance, and overall performance.
If a high-speed application is required, it is crucial to select the appropriate chain type that matches the specific speed and load requirements. Precision roller chains or engineered chains are better options for these scenarios, as they are designed and manufactured to deliver reliable performance under high-speed conditions.
When choosing a chain for a high-speed application, it is essential to consider factors such as chain speed rating, material composition, and lubrication to ensure the chain’s longevity and reliable operation.

What are the different types of cast chains available in the market?
There are several types of cast chains available in the market, each designed for specific industrial applications. The main types of cast chains include:
1. Cast Link Chains: Cast link chains are a common type of cast chain and consist of individual links cast from metal. They are widely used in heavy-duty applications, such as mining, lumber, and steel industries, where high strength and reliability are crucial.
2. Drag Chains: Drag chains, also known as drag link chains, are designed for use in drag conveyors. They have a series of interlocking links that can efficiently move bulk materials along a conveyor line. Drag chains are often used in industries dealing with granular materials, such as agriculture and mining.
3. Apron Chains: Apron chains, sometimes referred to as apron pan chains, are commonly used in apron conveyors. These chains have overlapping pans or plates that form a continuous conveying surface. Apron chains are suitable for transporting heavy and abrasive materials, as encountered in the cement and steel industries.
4. Bucket Elevator Chains: Bucket elevator chains are used in vertical lifting applications, such as elevators used for handling bulk materials like grains, minerals, and aggregates. These chains have specially designed attachments that carry buckets, providing a reliable and efficient lifting solution.
5. Scraper Chains: Scraper chains are widely used in scraper conveyors and scraper systems for material handling in industries like mining and wastewater treatment. They are designed to move materials along the conveyor path while scraping any residual material from the surface.
6. Trolley Chains: Trolley chains are used in overhead trolley systems to move heavy loads horizontally along a fixed path. These chains offer high load-carrying capacity and are often utilized in assembly lines and material storage areas.
7. Sprocket Chains: Sprocket chains work in conjunction with sprockets to transfer power in various machinery and equipment. They are commonly used in industrial settings where reliable power transmission is essential.
The choice of cast chain type depends on the specific application requirements, including load capacity, speed, environmental conditions, and material characteristics. Manufacturers offer a variety of cast chains with different configurations and specifications to meet the diverse needs of industrial sectors.


editor by CX 2023-08-03