The H Class Mill H78 Chain is a high-performance and robust roller chain that is commonly used in heavy-duty applications. This chain is produced using high-quality materials and advanced manufacturing techniques, which make it superior to other similar chains available on the market. In this article, we will examine the various features and applications of the H78 Chain.
Features of the H78 Chain
The H78 Chain is a strong and durable roller chain designed for use in heavy-duty and high-stress applications. The following are some of the key features of this chain:
- Corrosion resistance
- Heat-treated components for higher strength
- Shot peened components for increased fatigue strength
- High-quality alloy steel construction
- Pre-lubricated for extended service life
These features make the H78 Chain suitable for use in various applications, including lumber mills, paper mills, and other heavy industries.
Applications of the H78 Chain
The H78 Chain is used in various industrial applications that require a robust, durable, and reliable roller chain. Below are some of the applications of the H78 Chain:
1. Timber Industry
The H78 Chain is widely used in the timber industry, where it is used to transport logs, lumber, and other heavy materials. This chain is ideal for use in rugged environments and can withstand the harsh conditions of sawmills and lumber yards.
2. Pulp and Paper Industry
The H78 Chain is also used in the pulp and paper industry, where it is used in various machines and equipment such as conveyors, feeders, and presses. This chain’s corrosion resistance and high strength make it ideal for use in the harsh environments of pulp and paper mills.
3. Mining Industry
The H78 Chain is used in the mining industry, where it is used for conveying heavy materials and transporting equipment. This chain’s robust construction and durability make it ideal for use in the harsh environments of mines and other mining-related applications.

Specifications of the H78 Chain
The H78 Chain is available in various sizes and specifications to suit different applications. The following are some of the specifications of this chain:
- Pitch: 2.609 inches
- Diameter of rollers: 0.875 inches
- Width between inner plates: 1.50 inches
- Overall width: 2.188 inches
- Average tensile strength: 78,000 pounds
These specifications make the H78 Chain suitable for use in heavy-duty applications that require a strong and durable roller chain.
Installation and Maintenance of the H78 Chain
The H78 Chain is designed to be easy to install and maintain. Proper installation and maintenance are essential to ensure the chain’s longevity and performance. Below are some guidelines for installing and maintaining the H78 Chain:
1. Installation
- Ensure that the sprockets are aligned correctly
- Ensure that the chain is properly tensioned
- Make sure that the chain is well lubricated
2. Maintenance
- Regularly inspect the chain for wear and damage
- Ensure that the chain is properly lubricated
- Replace worn-out or damaged components immediately

Sprockets for H78 Chains
Sprockets are an essential part of any roller chain system. They work together with the chain to transmit power and motion between machines and equipment. The H78 Chain is designed to work with specific sprockets that match its size and specifications.
Sprockets for H78 Chains are available in various sizes and tooth counts to suit different applications. These sprockets are made from high-quality materials and are designed to provide long-lasting performance under heavy-duty conditions.
Malleable Chains
In addition to the H78 Chain, we also offer a range of malleable chains that are suitable for use in various industrial applications. Our malleable casting chains are made from high-quality materials and undergo stringent manufacturing processes to ensure durability and reliability in diverse industrial applications.
Our malleable cast iron construction provides robustness while maintaining flexibility, offering a balance between strength and adaptability. We remain price competitive without compromising on quality. Our commitment to providing cost-effective solutions makes our malleable chains a prudent choice for businesses seeking both value and performance.
Moreover, we are dedicated to exceptional service. Our customer-centric approach involves timely delivery, reliable support, and a responsive team ready to assist at every stage. From product inquiries to after-sales service, we prioritize customer satisfaction, fostering long-term partnerships built on trust and reliability.

Q&A
Q: What is the tensile strength of the H78 Chain?
A: The H78 Chain has an average tensile strength of 78,000 pounds.
Q: What is the pitch of the H78 Chain?
A: The pitch of the H78 Chain is 2.609 inches.
Q: What are the applications of the H78 Chain?
A: The H78 Chain is used in various applications such as lumber mills, paper mills, and mining industries.
Conclusion
The H Class Mill H78 Chain is a high-performance and robust roller chain suitable for use in heavy-duty applications. Its corrosion resistance, heat-treated components, and high-quality alloy steel construction make it superior to other similar chains available on the market.
Moreover, sprockets for H78 Chains and malleable chains are also available, making it a one-stop-shop for all industrial chain needs. The company’s commitment to providing cost-effective solutions makes its products a prudent choice for businesses seeking both value and performance.
So, if you are looking for a reliable and durable roller chain for your industrial application, contact us today and explore our range of products.