Double Pitch Conveyor Chain with Attachment

 

Double pitch conveyor chains are a crucial component in various industrial conveying systems, offering reliable performance for heavy-duty, low-speed applications. Ranging from C2040 to C2160, these chains can be paired with a variety of attachments to meet different operational needs.

Available Attachments

Common attachment types include:

• A1, A2 – Straight attachments for general conveying.

• K1, K2 – Right-angle attachments for holding or positioning materials.

• SA1, SA2 – Special straight attachments for unique applications.

• SK1, SK2 – Special right-angle attachments for custom setups.

These combinations form numerous chain models, such as C2052A1, C2060HK2, C2080A2, C2100SA2, and more, ensuring versatility for a wide range of conveying tasks.

Key Features

• High Strength – Designed for heavy-duty operations and long service life.

• Premium Materials – Available in alloy steel with heat treatment for maximum durability, or stainless steel for corrosion resistance.

• Customizable – Wide variety of pitch sizes and attachment styles to suit different conveyors.

Applications

Double pitch conveyor chains with attachments are widely used in:

• Forklifts

• Hoists & cranes

• Machine tools

• Steep-lifting systems

• Traction equipment

• Other industrial conveying systems

Operational Requirements

These chains are ideal for environments where:

• Loads are heavy

• Speeds are low

• Rust protection is essential due to moisture, chemicals, or outdoor use.
  
  
  
  

  
  
  

Performance of Stainless Steel Chains in Moist Environments

 

  In various industrial and commercial applications, chains are essential transmission and conveying components, making their performance and durability crucial. Stainless steel chains excel in wet environments due to their unique material properties, making them the preferred choice for many challenging conditions. This article explores the performance of stainless steel chains in moist environments, focusing on their corrosion resistance, strength, applications, and maintenance.

1. Corrosion Resistance of Stainless Steel Chains

The primary advantage of stainless steel chains is their exceptional corrosion resistance, attributed to their material composition, which typically includes chromium and nickel. In wet environments, ordinary carbon steel chains are prone to rust, leading to performance degradation and potential failure. Stainless steel chains, however, resist corrosion, maintaining their integrity and operational efficiency.

(I) Principle of Corrosion Resistance

Stainless steel forms a dense chromium oxide film on its surface, which effectively isolates water and oxygen, preventing further oxidation. This protective layer remains stable even in humid conditions, shielding the chain from corrosion.

(II) Corrosion Resistance of Different Stainless Steel Grades

Various stainless steel grades offer differing levels of corrosion resistance:

• 304 Stainless Steel: The most commonly used grade, offering good corrosion resistance for general humid environments.

• 316 Stainless Steel: Enhanced resistance to chloride ions, making it ideal for marine and salty industrial environments.

• 321 Stainless Steel: Superior high-temperature oxidation resistance, suitable for humid and high-temperature applications.
  
  
  
  

  
  
  
  

2. Strength and Wear Resistance of Stainless Steel Chains

Beyond corrosion resistance, stainless steel chains exhibit high strength and excellent wear resistance, allowing them to withstand heavy loads and prolonged friction in wet conditions without significant deformation or wear.

(I) High Strength

The strength of stainless steel chains comes from their material hardness and advanced manufacturing techniques. Processes like cold heading enhance the chain components' strength and hardness, improving overall tensile strength and resistance to breakage in wet environments.

(II) Wear Resistance

The wear resistance of stainless steel chains is attributed to their high surface hardness and smooth finish. Surface treatments like polishing or plating further enhance durability by reducing friction and minimizing wear.

3. Applications of Stainless Steel Chains in Wet Environments

Due to their superior corrosion resistance and strength, stainless steel chains are widely used across various industries that operate in humid or wet conditions. Common applications include:

(I) Food Processing Industry

Hygiene and cleanliness are paramount in food processing. Stainless steel chains, being corrosion-resistant and easy to clean, comply with food hygiene standards. They are commonly used in conveyor belts, washing lines, and packaging equipment. For example, in meat processing plants, stainless steel chains endure prolonged exposure to moisture and cleaning agents without rusting or contaminating food.

(II) Chemical Industry

The chemical industry often exposes chains to corrosive substances like acids, alkalis, and salts. Stainless steel chains resist such chemical exposure, making them suitable for transmission and conveying systems in chemical plants. For instance, they are used in reactor stirring devices where they must withstand both humidity and chemical corrosion.

(III) Marine Engineering

Marine environments pose significant challenges due to high humidity and salt exposure. Stainless steel chains perform exceptionally well in marine applications, including ships, port equipment, and offshore platforms. For example, stainless steel lifting chains are used at port terminals for cargo handling, maintaining functionality despite constant exposure to seawater and salt spray.

(IV) Water Treatment Industry

In water treatment facilities, chains must operate continuously in submerged conditions. Stainless steel chains offer corrosion resistance and durability, making them ideal for use in sewage treatment plants, filtration systems, and water pumps. For example, sludge conveyors in wastewater treatment plants rely on stainless steel chains to withstand prolonged exposure to chemicals and microorganisms.

4. Maintenance of Stainless Steel Chains in Wet Environments

Despite their excellent durability, proper maintenance is essential to maximize the lifespan and performance of stainless steel chains in wet environments.

(I) Regular Cleaning

Moisture, dust, and debris can accumulate on the chain surface over time. Regular cleaning removes these contaminants, preventing potential chemical reactions that could degrade the chain. Use a soft cloth and a neutral detergent, avoiding acidic, alkaline, or chlorine-based cleaners to preserve the protective chromium oxide film.

(II) Lubrication

Lubrication minimizes friction and reduces wear. In wet environments, it is essential to use waterproof lubricants such as high-temperature lubricating oil or food-grade lubricants. Ensure even application across all chain components to prevent lubricant loss.

(III) Inspection and Replacement

Regular inspections help identify signs of wear or corrosion early. Pay close attention to chain pins, rollers, plates, and overall tension. If excessive wear or corrosion is detected, replace affected components promptly to maintain safe and efficient operation.

5. Conclusion

Stainless steel chains demonstrate outstanding performance in wet environments due to their excellent corrosion resistance, high strength, and superior wear resistance. Their wide-ranging applications in food processing, chemical industries, marine engineering, and water treatment underscore their reliability under harsh conditions. By implementing proper maintenance practices such as cleaning, lubrication, and regular inspections, the service life of stainless steel chains can be extended, ensuring continuous and efficient operation. As a result, stainless steel chains remain the preferred choice for transmission and conveying systems in humid environments, offering durability and reliability for diverse industrial applications.

GIDI CHAIN LIMITED supply lots of roller chain, conveyor chain, Leaf Chain, welded chain, forged chain, Palm Oil Mill Chain, Hoisting Chain, Mine and Metallurgy Chain, etc. totaling over 3000 varieties. and 90% of chains are exported to worldwide, Which mainly export to Southeast Asia, European, North America, South America. Chains are welcomed by customers with the excellent quality. Our company owns more than 100 sets of advanced and professional manufacturing equipment, Perfect and rigorous QC system is implemented in every process from material purchasing to finished products packaging. Also, we have passed the ISO9001: 2015 Quality Management System Certification.

More Detail : www.gidi-chain.com

 

ANSI 80 Roller Chain vs. 16B Roller Chain

Understanding Roller Chains

Roller chains consist of cylindrical rollers linked together to transmit mechanical power efficiently. One of the key specifications of a roller chain is its pitch—the distance between the centers of two adjacent rollers, which determines the chain's size, strength, and application suitability.

While both the ANSI 80 Roller Chain and the 16B Roller Chain share a pitch of 25.4 mm (1 inch), they have distinct differences in design and application.

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Metric 16B Roller Chain

The 16B Roller Chain, classified under the ISO 606 (British Standard), is a metric roller chain designed for heavy-duty applications. With a robust structure, it is widely used in:

• Conveyors

• Mining equipment

• Heavy lifting machinery

Key Features of 16B Roller Chain:

   Pitch: 25.4 mm (1 in)
   Wide inner plate spacing (17.02 mm)
   Thicker plates for durability
   Higher load-bearing capacity

Its sturdy design makes it ideal for high-load environments where durability and resistance to wear are critical.

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ANSI 80 Roller Chain

The ANSI 80 Roller Chain follows the ANSI B29.1 standard, making it an imperial pitch chain. It is commonly used in industrial machinery and high-performance environments requiring:

• High-speed operation

• Heavy-duty load handling

• Continuous power transmission

Key Features of ANSI 80 Roller Chain:

   Pitch: 25.4 mm (1 in)
   Slightly narrower inner plate spacing (15.75 mm)
   Optimized for high-speed and high-load conditions
   Commonly used in industrial automation and large machinery

Due to its strong construction and efficient design, the ANSI 80 chain is favored in high-load, high-speed operations.

                    
                                  chain showroom

Comparison: 16B Roller Chain vs. ANSI 80 Roller Chain

 

Feature	16B Roller Chain	ANSI 80 Roller Chain
Pitch (P)	25.40 mm	25.40 mm
Roller Diameter (d1)	15.88 mm	15.88 mm
Width Between Inner Plates (b1)	17.02 mm	15.75 mm
Pin Diameter (d2)	8.28 mm	7.92 mm
Pin Length (L)	36.10 mm	32.70 mm
Pin Length (Lc)	37.40 mm	35.00 mm
Inner Plate Depth (h2)	21.00 mm	24.00 mm
Plate Thickness (T)	4.15/3.1 mm	3.25 mm
Tensile Strength	60.0/13636 kN/lbf	56.70/12886 kN/lbf
Weight per Meter	2.71 kg/m	2.60 kg/m

Key Differences:

   Width: The 16B chain is wider than the ANSI 80 chain, which may impact compatibility with sprockets.
   Plate Thickness: The 16B chain has thicker plates, enhancing its wear resistance and longevity.
   Load Capacity: The ANSI 80 chain has slightly lower tensile strength, but it is optimized for high-speed applications.
   Weight: The ANSI 80 chain is slightly lighter, reducing overall system weight.

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Are 16B and ANSI 80 Roller Chains Interchangeable?

Even though both chains have the same pitch (25.4 mm), their structural differences affect interchangeability:

   Chain Width

The 16B chain is wider than the ANSI 80 chain, meaning the sprockets for one may not fit the other properly.

   Load Capacity & Strength

The ANSI 80 chain is designed for higher speeds, while the 16B chain is built for heavier loads. Swapping them could impact system performance.

   Fatigue Resistance

The ANSI 80 chain withstands higher operational stresses, making it more suitable for continuous-duty applications. The 16B chain is more resistant to heavy loads but may wear faster in high-speed environments.

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Conclusion: Which One Should You Choose?

   Choose the 16B Roller Chain if:
   Your application requires higher load capacity and durability.
   You need a chain for conveyors, mining equipment, or heavy machinery.
   You are using ISO standard components and sprockets.

   Choose the ANSI 80 Roller Chain if:
   Your application involves high-speed, high-load operations.
   You need a lighter-weight, standardized chain for industrial machinery.
   You are using ANSI standard sprockets and equipment.

Since they differ in width, tensile strength, and performance, they are not fully interchangeable. Always refer to manufacturer specifications when selecting a roller chain to ensure optimal performance, longevity, and safety for your machinery.

GIDI CHAIN LIMITED supplies lots of roller chain, conveyor chain, Leaf Chain, welded chain, forged chain, Palm Oil Mill Chain, Hoisting Chain, Mine and Metallurgy Chain, etc., totaling over 3000 varieties. And 90% of chains are exported worldwide, mainly to Southeast Asia, Europe, North America, and South America. Chains are welcomed by customers for the excellent quality. Our company owns more than 100 sets of advanced and professional manufacturing equipment. A perfect and rigorous QC system is implemented in every process from material purchasing to finished product packaging. Also, we have passed the ISO9001: 2015 Quality Management System Certification.

More Detail: www.gidi-chain.com

Heavy Duty Chain - China manufacturer of heavy duty chain

HEAVY DUTY ANSI ROLLER CHAINS

The heavy-duty chain is manufactured with thicker inner and outer link plates over standard chains. This slight improvement increases the chains' working load and fatigue resistance while enduring more frequent & heavier shock loads. Heavy series chain is a great option for mechanical engineers designing drives that require more strength, but are restricted to tight space requirements. These chains are readily available in single-strand, double-strand, and triple-strand options. We offer two styles, which are your standard riveted and cottered construction.

Heavy Duty Chain Common Uses

Typically heavy series roller chains are best suited for drives that have moderate loads, frequent starting/stopping, or forward/reverse directional changes. Below are just some examples of common everyday uses for our heavy series chain.

Agricultural Equipment

Lumber Industry

Construction Equipment

Heavy Duty Conveying Systems

Heavy Duty Roller Chain vs Standard Roller Chain

First off, both chains are recognized as ANSI B29.1 industry size roller chains. The dimensions are very similar, except heavy-duty chains do have thicker plates, which makes the chain wider. With heavy-duty roller chain, you gain both working load strength and greater fatigue resistance. Standard chains are better for smoother operations with lighter loads, whereas heavy-duty chains can handle heavier loads and more repetitive shock loads.

GIDI CHAIN LIMITED supplies roller chain, conveyor chain, Leaf Chain, welded chain, forged chain, Palm Oil Mill Chain, Hoisting Chain, Mine and Metallurgy Chain, etc., totaling over 3000 varieties. And 90% of chains are exported worldwide, mainly to Southeast Asia, Europe, North America, and South America. Chains are welcomed by customers for the excellent quality. Our company owns more than 100 sets of advanced and professional manufacturing equipment. A perfect and rigorous QC system is implemented in every process from material purchasing to finished product packaging. Also, we have passed the ISO9001: 2015 Quality Management System Certification.

More Detail: www.gidi-chain.com

Types of Industrial Chains and How to Maintain

Types of Industrial Chains and How to Maintain

Industrial chains play a crucial role in various industries, including manufacturing, mining, agriculture, logistics, and automotive. Different types of chains serve specific functions, and proper maintenance is essential for ensuring their longevity, efficiency, and safety.

1. Types of Industrial Chains

1.1 Roller Chains

• Application: Used in conveyors, motorcycles, and machinery for power transmission.

• Features: Consists of rollers, pins, and plates, designed for smooth motion and high efficiency.

1.2 Conveyor Chains

• Application: Found in automated assembly lines, food processing, and mining industries.

• Features: Built for heavy loads and designed to move materials over long distances.

1.3 Leaf Chains

• Application: Used in forklifts, hoists, and material handling equipment.

• Features: High tensile strength, made for lifting and pulling loads.

1.4 Lifting Chains

• Application: Used in cranes, rigging, and hoisting applications.

• Features: Designed for heavy loads and extreme durability.

1.5 Mining Chains

• Application: Used in underground mining, drilling rigs, and excavators.

• Features: Built for abrasion resistance, high tensile strength, and tough environments.

1.6 Stainless Steel Chains

• Application: Used in food processing, pharmaceutical, and marine industries.

• Features: Corrosion-resistant, ideal for wet and high-temperature environments.

1.7 Special Chains (Non-Standard Chains)

• Application: Custom-designed chains for unique industrial applications, such as escalators, bottling plants, and packaging machines.

• Features: Designed according to specific load, speed, and environment requirements.
  
  

2. Maintenance of Industrial Chains

Proper maintenance extends the lifespan of industrial chains and ensures efficient operation. Key maintenance practices include:

2.1 Lubrication

• Reduces friction and wear.

• Use appropriate lubricants based on the chain type and environment (e.g., oil-based for dry environments, grease for heavy loads).

• Apply lubrication regularly to prevent rust and corrosion.

2.2 Inspection and Cleaning

• Regularly check for wear, elongation, and cracks.

• Remove dust, dirt, and debris using a solvent or compressed air.

• Inspect rollers, pins, and plates for signs of fatigue or damage.

2.3 Tension Adjustment

• Ensure the correct chain tension to prevent excessive stretching or slack.

• Loose chains can cause slippage, while tight chains can lead to premature wear.

2.4 Corrosion Protection

• Apply anti-rust coatings or nickel plating for chains used in moist or corrosive environments.

• Store chains in dry, temperature-controlled areas when not in use.

2.5 Replacement of Worn Parts

• Replace stretched or deformed chains to avoid machine failure.

• Check and replace damaged sprockets or rollers for smooth operation.

2.6 Heat Treatment and Surface Hardening

• Some chains undergo quenching, tempering, or nitriding to enhance wear resistance.

• Shot peening helps improve fatigue strength for high-stress applications.

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Conclusion

Industrial chains are critical components in various industries, and choosing the right type depends on the application. Proper lubrication, inspection, tension control, and protection ensure their long-term performance and durability. Regular maintenance not only prevents breakdowns but also reduces operational costs and enhances safety.

Common Heat Treatment Methods and Aging Treatment for Chains

Common Heat Treatment Methods and Aging Treatment for Chains

Heat treatment is a crucial process in chain manufacturing, significantly enhancing the strength, wear resistance, and durability of chains used in various applications. The most commonly used heat treatment methods include annealing, normalizing, quenching, tempering, carburizing, nitriding, carbonitriding, and boronizing. These processes help refine the microstructure of the chain components, improving their mechanical properties to withstand heavy loads and harsh operating conditions.

1. Common Heat Treatment Methods

• Annealing: The chain is heated to 30-50°C above Ac3, held at that temperature, and then slowly cooled inside the furnace. This process reduces internal stress, softens the material, and improves machinability.

• Normalization: Involves heating the chain components to above Ac3, followed by air cooling. It refines the grain structure, enhancing toughness and strength.

• Quenching: The chain is heated to above Ac3 or Ac1, then rapidly cooled in water, oil, or other cooling media. This results in a hardened microstructure with increased strength and wear resistance.

• Tempering: After quenching, the chain is reheated to a temperature below Ac1, held for a specified time, and then cooled to room temperature. This reduces brittleness and improves toughness, balancing hardness with flexibility.

• Carburizing: The surface of the chain is exposed to a carbon-rich environment at high temperatures, allowing carbon diffusion into the outer layer. This increases surface hardness while maintaining a tough core, ideal for wear-resistant applications.

• Nitriding: A nitrogen-rich environment is used to create a hard nitride layer on the surface, providing excellent wear resistance and corrosion protection.

• Carbonitriding: A combination of carburizing and nitriding, enhancing both hardness and wear resistance while offering improved surface durability.

• Boronizing: This process introduces boron atoms into the chain surface, forming extremely hard boride layers with superior abrasion and corrosion resistance.

2. Aging Treatment for Chains

Aging treatments stabilize the material’s internal structure, reducing residual stress and improving mechanical stability. There are two primary aging treatments:

• Natural Aging: The chain is stored at room temperature or under controlled environmental conditions for an extended period. Over time, the material undergoes structural changes, reducing residual stress and improving long-term performance.

• Artificial Aging: The chain is heated to an elevated temperature for a shorter period to accelerate the stabilization process. This method enhances dimensional stability and mechanical properties more quickly than natural aging.
  
  

Types of Chains That Undergo Heat Treatment and Aging Treatment

By utilizing advanced heat treatment and aging processes, manufacturers ensure that chains possess high strength, durability, and wear resistance, making them suitable for demanding applications in lifting, mining, industrial machinery, and conveyor systems.

1. Lifting Chains

Used in hoists, cranes, and material handling equipment, lifting chains require high tensile strength and fatigue resistance to handle heavy loads.

• Common Heat Treatments:

  • Quenching & Tempering (for high strength and toughness)

  • Surface Hardening (for wear resistance)

  • Carburizing (for a hard surface with a tough core)

• Aging Treatment:

  • Artificial aging to enhance long-term stability

2. Conveyor Chains

Used in automated production lines, mining conveyors, and industrial transport systems, conveyor chains require high wear resistance and smooth operation.

• Common Heat Treatments:

  • Nitriding (for improved wear and corrosion resistance)

  • Carbonitriding (for surface hardening and durability)

  • Induction Hardening (for localized wear resistance)

• Aging Treatment:

  • Artificial aging to ensure consistent performance in extreme conditions

3. Special Chains (Non-Standard Chains)

Customized chains for specific industries such as steel plants, food processing, escalators, and bottling plants require precise heat treatment for enhanced performance.

• Common Heat Treatments:

  • Boronizing (for extreme wear resistance in high-temperature environments)

  • Carburizing (for increased surface hardness)

  • Quenching & Tempering (for strength and fatigue resistance)

• Aging Treatment:

  • Natural aging to stabilize material properties

4. Mining & Heavy-Duty Chains

Used in mining, drilling, and construction machinery, these chains need to withstand abrasive environments and high impact loads.

• Common Heat Treatments:

  • Quenching & Tempering (for impact resistance)

  • Shot Peening (to improve fatigue strength)

  • Nitriding (for corrosion and wear resistance)

• Aging Treatment:

  • Artificial aging to refine the internal structure and improve durability

5. Motorcycle & Automotive Chains

Used in motorcycles, bicycles, and vehicle transmission systems, these chains require high strength, wear resistance, and smooth operation.

• Common Heat Treatments:

  • Induction Hardening (for specific high-wear areas)

  • Carburizing (for improved durability)

  • Shot Peening (to increase fatigue life)

• Aging Treatment:

  • Artificial aging to maintain long-term stability and reduce stress

6. Stainless Steel Chains

Used in food processing, pharmaceutical, and marine applications, stainless steel chains must resist corrosion, moisture, and high temperatures.

• Common Heat Treatments:

  • Nitriding (for wear and corrosion resistance)

  • Solution Annealing (to maintain strength and ductility)

  • Induction Hardening (for selective strengthening)

• Aging Treatment:

  • Natural aging for long-term stability in harsh environments

Conclusion

Different heat treatment and aging processes are applied based on the application and operating conditions of each chain type. Whether it's lifting chains for cranes, conveyor chains for production lines, or mining chains for extreme environments, these treatments ensure enhanced durability, strength, and performance.