News
2026/ 07 / 01
Double-Water Jacket Copper Mould Tube: Enhancing Continuous Casting Efficiency and Billet Quality
As the steel industry continues to pursue higher efficiency, superior quality, and lower energy consumption, continuous casting equipment has become an essential part of modern steelmaking. As the “heart” of the continuous casting machine, the mould system plays a decisive role in billet quality, production efficiency, and operational stability. In recent years, Double-Water Jacket Copper Mould Tubes have become an increasingly popular choice for steel plants seeking to upgrade their continuous casting systems, thanks to their more uniform and efficient cooling performance.
Why Choose a Double-Water Jacket Design?
During continuous casting, molten steel enters the mould and must rapidly form a uniform solidified shell. The copper mould tube is responsible for transferring heat away from the molten steel efficiently, directly influencing billet surface quality, internal structure, and casting speed.
Compared with conventional single-water jacket designs, the double-water jacket structure optimizes the cooling water flow path, allowing water to circulate more evenly around the mould tube. This significantly improves heat dissipation, minimizes local overheating, and provides a more stable cooling environment for high-speed casting and premium steel production.
Technical Advantages of Double-Water Jacket Copper Mould Tubes
- More Uniform Cooling
The double-water jacket design optimizes cooling water distribution, reducing temperature gradients and thermal stress while ensuring more consistent heat transfer across the mould tube.
Benefits include:
- Reduced longitudinal and transverse surface cracks;
- More uniform shell formation;
- Improved internal billet quality.
- Higher Heat Transfer Efficiency
The optimized cooling channel enhances water turbulence, improving heat transfer efficiency and maintaining a more stable operating temperature for the mould tube.
For high-speed continuous casting, greater heat transfer capacity supports faster casting speeds, more stable production, and increased productivity.
- Longer Service Life
More uniform cooling reduces thermal fatigue and deformation, extending the service life of the mould tube while minimizing maintenance requirements and production downtime.
- Suitable for High-Grade Steel Production
With the rapid development of electric vehicles, wind power, railway infrastructure, and high-end manufacturing, demand for premium steel grades continues to increase, placing higher requirements on continuous casting equipment.
Double-water jacket copper mould tubes provide a more stable solidification environment and are ideal for:
- High-carbon steel
- Alloy steel
- Stainless steel
- Bearing steel
- Clean steel
- Special steel
Manufacturing Quality Determines Performance
Superior copper mould tubes rely not only on advanced design but also on precision manufacturing.
High-quality products typically feature:
- High-purity CuAg or CuCrZr copper alloys;
- Precision CNC machining;
- Tight dimensional tolerance control;
- Optimized cooling channel design;
- Hard chrome, nickel-based, or other wear-resistant coatings;
- Comprehensive quality inspection throughout production.
JISTEEL – Your Reliable Copper Mould Solution Partner
As a professional supplier serving the global steel industry, JISTEEL is committed to delivering high-quality copper mould tubes and complete mould solutions for continuous casting applications.
Our advantages include:
- Using premium virgin copper alloy materials to ensure outstanding thermal conductivity and mechanical strength.
- Customized solutions for square, rectangular, and special-shaped mould tubes.
- Multiple coating options including hard chrome and nickel-based coatings.
- Strict dimensional inspection, non-destructive testing (NDT), and pressure testing.
- Complete supply of mould assemblies, water jackets, and other critical continuous casting components for one-stop procurement.
With reliable product quality, fast delivery, and extensive international project experience, JISTEEL continues to create greater value for steel producers worldwide.
As continuous casting technology evolves toward higher speed, intelligent automation, and greener manufacturing, mould systems will continue to advance. With superior cooling performance, extended service life, and enhanced billet quality, Double-Water Jacket Copper Mould Tubes are expected to play an increasingly important role in the future of steel production.
JISTEEL will continue to focus on innovation and manufacturing excellence, delivering efficient, reliable continuous casting solutions that help steelmakers improve productivity, product quality, and sustainable development worldwide.
Contact Us
Address
High-tech Industrial Development Zone, Zhengzhou City, Henan Province, China.
jean@ji-steel.com
Phone
+86 188 3804 2177
Products
- Continuous Casting
- ● Copper Mould Tube
- ● Mould Assembly
- ● Ladle And Tundish Nozzle
- Steel Melting
- ● Graphite Electrode
- ● CPC/GPC
- ● Continuous Casting Protecting Slag
- ● Furnace Lining Vibrator
- Rolling Mill Equipment
- ● Steel Roll
- ● Tungsten Carbide Roll Ring
- ● Rolling Mill Guides
- ● Roller Table
Contact
- jean@ji-steel.com
- +86 371 6781 0168
- +86 188 3804 2177
- +86 188 3804 2177
- www.ji-steel.com
- High-tech Industrial Development Zone, Zhengzhou City, Henan Province, China.