Steel drag chains- Mechanical resilience and temperature resistance in harsh environments

Plastic drag chains are a popular choice among many factories due to their low cost and wide variety of models, making them suitable for a wide range of industries.

However, in heavy industries such as steelmaking, metallurgy, mechanical engineering, and coal mining, working environments are often extremely harsh, with high temperatures and constant sparks. Under these conditions, steel chains are a more suitable choice, as they offer superior heat resistance, wear resistance, and durability compared to plastic chains.

Steel drag chains play a crucial role in modern industrial machinery systems. They help guide and protect cables and hoses during movement, ensuring stable and safe operation.

Thanks to their sturdy construction and high load-bearing capacity, steel drag chains perform well in harsh environments and under heavy-duty operating conditions. They are a reliable solution that enhances performance and extends service life across a wide range of industrial applications.

Advantages of steel drag chains

Our steel chain portfolio

HELUCHAIN® STEEL LINK 4-SL

HELUCHAIN® STEEL LINK 4-SL

Technical specification
HELUCHAIN® STEEL LINK1-SF

HELUCHAIN® STEEL LINK1-SF

Technical specification
HELUCHAIN® STEEL LINK 4-GK

HELUCHAIN® STEEL LINK 4-GK

Technical specification

Contact our HELU Vietnam engineers to get a quote & expert consultation

HELUCHAIN® STEEL LINK 4-SL drag chain

HELUCHAIN® STEEL LINK 4-SL is available in several versions: steel, stainless steel, and hardened steel. The product can be supplied as a pre-assembled unit with various types of crossbars, such as:

  • Hole crossbar (SLE, SLA)
  • Foam crossbar (SLS)
  • Plastic intermediate crossbar (SLP)
  • Tubular crossbar (SLR)

The 4-SL chain is used in many industries, including: machine tools, handling and automation technology, conveyor and lifting systems, the steel industry, and the boring industry...

Our team of experts is ready to provide consultation on complete, pre-assembled cable chain solutions tailored to your needs.

HELUCHAIN® STEEL LINK4-SL drag chain

Key features:

  • Available in the following versions: steel, stainless steel, and hardened steel
  • Large, self-supported lengths and high fill weights possible
  • Many variations of bar separations
  • Easily adjustable length
  • Hinge mechanism protected by cover

Technical specifications

Inner height Hi20 to 118 mm
Outer height Ha:35 to 150 mm
Inner width Bi:32 to 1,184 mm
Pitch t:50 to 175 mm
Bending radii R60 mm, 100 mm, 150 mm,
200 mm, 250 mm, 300 mm,
400 mm, 500 mm, 600 mm
Travel distance Lv:up to 100 meters
while adhering to our design guidelines
Temperature rangeThe long-term operating temperature range is -20 °C to 600 °C
(-40 °C to 600 °C).

HELUCHAIN® STEEL LINK 1-SF drag chain

HELUCHAIN® STEEL LINK 1-SF effectively protects cables and hoses from hot shavings, welding beads, and sparks during operation. The STEEL LINK 1-SF product line is a proven solution suitable for a wide range of specialized machine tool applications, particularly in systems with short travel distances and low motion frequencies.

Typical applications: Machine tools and specialized machinery with short travel distances and low stroke rates.

HELUCHAIN® STEEL LINK1-SF steel drag chain

Key features:

  • Closed steel body with built-in spring-steel strip: The chain is constructed from galvanized rectangular twisted steel strips, with a spring steel strip installed within the inner radius.
  • Large usable cross sections with small external dimensions: Provides ample interior space while maintaining a compact exterior, ensuring optimal cable protection.
  • Optimal cable protection
  • Available with different connection options
  • Optimal for hot chips, welding beads, and flying sparks

Technical specifications

Inner height Hi40 to 109 mm
Outer height Ha:45 to 115 mm
Inner width Bi:79 to 109 mm
Bending radii R:100 mm, 150 mm, 200 mm,
250 mm, 300 mm
Travel distance Lv:Short distance (max. 2 m free-carrying)
Temperature range-40 °C to +180 °C

HELUCHAIN® STEEL LINK 4-GK drag chain

HELUCHAIN® STEEL LINK 4-GK is used in applications requiring large quantities of cables and hoses, particularly those with large outer diameters. In addition, the chain is suitable for systems with a self-supporting travel distance up to 18 meters.

Applications: Heavy industrial machinery, the steel industry, rolling mills, large-scale offshore projects, and many other industrial sectors.

Our team of experts is ready to provide consultation on complete, pre-assembled cable chain solutions tailored to your needs.

HELUCHAIN® STEEL LINK4-GK steel cable chain

Key features:

  • Exceptionally high stability
  • Large, self-supported lengths up to 18 m with high cable volumes, suitable for systems with large cable loads
  • Flexible interior layout, easily customizable to suit your needs
  • The bar length can reach up to 1200 mm
  • Available in stainless steel and custom designs upon request
  • Flexible sizes and materials, with virtually no limits
  • The bending radius can be customized to meet specific customer requirements

Technical specifications

Inner height Hi118 to 468 mm
Outer height Ha:150 to 500 mm
Inner width Bi:100 to 1,172 mm
Bending radii R:200 mm, 250 mm, 300 mm,
400 mm, 450 mm, 550 mm,
600 mm, 700 mm, ... >700 mm
Travel distance Lv:up to 20 m free-carrying
Temperature range-20 °C to 600 °C (stainless
steel from -40 °C to 600 °C)

Our cables and accessories for steel drag chains

Steel drag chains in heavy industrial environments require specialized cable and accessory solutions to ensure safe and durable operation.

Our steel and stainless steel drag chains, heat-resistant and highly flexible cables, as well as custom-designed cable protection components play a vital role in ensuring that production and material-handling systems operate reliably under extreme conditions