Chtee specializes in the design and manufacturing of heat treatment equipment, mechanical equipment, and accessories. We provide complete equipment solutions, including continuous carburizing lines, isothermal furnaces, box-type multi-purpose furnaces, and periodic annealing furnaces. We also undertake projects such as overall plant planning, equipment modification, relocation, and maintenance.
Industrial Annealing Furnace Product
Custom annealing furnace solutions for different materials, processes, and production requirements.
-
![Well Type Annealing Heat Treatment Furnace]()
Well Type Annealing Heat Treatment FurnaceOur series of pit-type vacuum annealing furnaces utilize a pre-vacuum gas shielding system. During operation, the furnace is first evacuated to a certain vacuum level, then filled with high-purity -
![Spheroidizing Annealing Furnace For Fasteners]()
Spheroidizing Annealing Furnace For FastenersFastener manufacturers require steel materials that can withstand severe deformation during cold forming while maintaining stable mechanical properties after subsequent heat treatment. The -
![Spheroidizing Annealing Furnace For Cold Heading Wire]()
Spheroidizing Annealing Furnace For Cold Heading WireCold heading wire requires excellent ductility, controlled hardness, and a uniform spheroidized carbide structure before forming. The Spheroidizing Annealing Furnace for Cold Heading Wire is -
![Annealing Furnace For Stainless Steel Strip]()
Annealing Furnace For Stainless Steel StripModern stainless steel strip production requires precise temperature control, stable protective atmosphere, and uniform metallurgical performance. Our bell-type annealing furnace is designed for -
![Well Type Heat Treatment Furnace]()
Well Type Heat Treatment FurnaceThe Well Type Strong Convection Spheroidizing Annealing Furnace adopts a vertical well-type structure combined with a high-efficiency hot air circulation system. The strong convection design improves -
![Pit Type Furnace For Wire Annealing]()
Pit Type Furnace For Wire AnnealingPit Type Furnace for Wire Annealing is a heat treatment system designed for annealing various metal wires through controlled heating, soaking, and cooling processes. The furnace improves the internal -
![Vacuum Heat Treatment Furnace For Annealing]()
Vacuum Heat Treatment Furnace For AnnealingA vacuum annealing furnace is a specialized heat treatment system that performs annealing processes under reduced-pressure or vacuum-assisted conditions to minimize oxidation and control surface -
![Pit Type Annealing Furnace For Carbon Steel Wire]()
Pit Type Annealing Furnace For Carbon Steel WireA pit-type annealing furnace is a vertical, batch-operated heat treatment furnace designed for processing coiled or stacked materials inside a cylindrical chamber. This type of carbon steel wire
Annealing Furnace Systems Comprehensive Overview
An annealing furnace is a thermal processing system that alters the internal structure of metals through controlled heating and cooling cycles. Common processes—including stress-relief annealing, softening annealing, and spheroidizing annealing—are widely applied in the processing of carbon steel, alloy steel, and wire rods.
By precisely controlling temperature uniformity, atmospheric composition, and cooling rates, the furnace ensures enhanced ductility, reduced hardness, and consistent mechanical properties for subsequent forming or machining operations.
CHTEE offers engineered annealing furnace systems, including solutions for spheroidizing annealing, bright annealing, and controlled-atmosphere heat treatment. Our designs prioritize stable metallurgical transformation, energy efficiency, and scalable industrial production.
Key Features of Annealing Furnace
Reliable annealing furnace manufacturer offering energy-efficient design, precise temperature uniformity and fully customizable systems.
Uniform Temperature
The furnace is equipped with a forced convection circulation system, ensuring uniform heat distribution throughout the chamber. This is especially critical for spheroidizing annealing processes, where consistent microstructure and hardness are required.
Atmosphere Control
Integrated nitrogen supply and methanol decomposition systems (CO + H₂) create a stable protective atmosphere, effectively preventing oxidation and decarburization while maintaining surface quality.
Controlled Cooling
The furnace features an adjustable cooling system, allowing precise control of cooling curves based on different materials and process requirements. This is essential for long-cycle annealing to ensure consistent mechanical properties.
Energy Efficiency
High-performance ceramic fiber insulation minimizes heat loss and improves thermal efficiency, helping reduce overall energy consumption while maintaining stable operation.
Flexible Heating
Both electric and gas-fired heating options are available, allowing the system to adapt to different energy conditions and cost considerations.
Intelligent Control
Equipped with a PLC-based control system and programmable temperature profiles, the furnace enables precise and repeatable operation, reducing human error and improving production stability.
Industrial Annealing Furnace Parameter Table
Advanced PLC control, uniform heating system and protective atmosphere technology ensure stable and repeatable annealing processes.
| Furnace Type | Process Type | Typical Capacity | Temperature Range | Atmosphere System | Heating Method | Cooling Method | Key Features | Typical Application |
|---|---|---|---|---|---|---|---|---|
| Pit Type Annealing Furnace | Spheroidizing Annealing / Soft Annealing | 8 – 24 Tons / Batch | 650°C – 900°C | Nitrogen + Methanol Decomposition Gas | Electric / Gas | Controlled Slow Cooling + Forced Air Circulation | High load capacity and uniform temperature distribution | Wire Rod、Fasteners、Bearing Steel |
| Bright Annealing Furnace | Oxidation-Free Annealing | 5 – 20 Tons | 700°C – 950°C | N₂ / H₂ Protective Atmosphere | Electric Heating | Controlled Cooling | High load capacity and uniform temperature distribution | Stainless Steel、Precision Parts |
| Continuous Annealing Furnace | Continuous Heat Treatment | 80 – 1600 kg/hour | 600°C – 950°C | Controlled Atmosphere（RX Gas / Nitrogen） | Gas / Electric | Multi-zone Cooling | Highly automated, enabling large-scale production | Strip Steel、Wire、Mass Production |
| Car Bottom Furnace | Stress Relief / Normalizing / Annealing | 2 – 36 Tons | 600°C – 1000°C | Optional | Gas / Electric | Natural Cooling / Controlled Cooling | Highly automated, enabling large-scale production | Castings、Heavy Components |
Atmosphere System
Atmosphere options for precise control of oxidation, decarburization, and process stability.
| System Type | Gas Composition | Function | Application |
|---|---|---|---|
| Methanol Decomposition Unit | CO + H₂ | Provides protective atmosphere to prevent oxidation and decarburization | Pit furnaces, fastener annealing |
| Nitrogen Generator (PSA) | N₂ | Supplies stable inert gas and reduces operating cost | General use for all annealing furnaces |
| RX Gas Generator | CO + H₂ + N₂ | Generates controllable atmosphere for precise heat treatment | Continuous furnaces, carburizing lines |
Furnace Selection Guide Table (High Conversion)
Quick reference to help choose the right furnace based on your production needs.
| Your Requirement | Recommended Furnace Type | Reason |
|---|---|---|
| High-volume production (continuous operation) | Continuous Annealing Furnace | High automation level and stable production capacity |
| Fasteners / bolt spheroidizing annealing | Pit Type Annealing Furnace | Excellent temperature uniformity, suitable for long-duration processes |
| High surface quality (oxidation-free) | Bright Annealing Furnace | Protective atmosphere ensures clean and bright surface |
| Large components (castings / structural parts) | Car Bottom Furnace | Flexible loading, suitable for large-size workpieces |
| Cost-sensitive projects | Gas Heating Furnace | Lower operating cost compared to electric heating |
Types Of Annealing Furnace
Explore different types of annealing furnaces including vacuum, bell and continuous systems designed for various industrial heat treatment applications.
Continuous Annealing Furnace
Designed for high-volume strip and wire processing with consistent throughput and automation.
Bell Annealing Furnace
Ideal for batch processing of coils with protective atmosphere and uniform heating.
Pit Annealing Furnace
Used for stainless steel and precision metals requiring oxidation-free surfaces.
The annealing furnace is equipped with a precise temperature control system, ensuring stable temperature throughout the annealing process and preventing quality issues caused by excessive temperature differences. This helps the metal material achieve optimal physical and mechanical properties.
Annealing furnaces typically support both electric and natural gas heating. Customers can choose the appropriate heating method based on their specific needs and energy availability to meet different production scales and types.
Customized Production
Annealing furnaces can be customized to meet the requirements of different workpieces. Whether it's the furnace size, heating method, or temperature control system, everything can be adjusted according to the customer's specific requirements to ensure personalized production needs are met.
Share your project requirements, and we'll match you with the most efficient annealing furnace solution — fast quote, fast delivery.
Industrial Heat Treatment Furnace Applications
● Steel strip annealing lines
● Wire drawing annealing processes
● Aluminum coil heat treatment
● Copper tube processing
● Fastener heat treatment
● Automotive parts stress relief
● Tool steel softening
● Electronic component processing
● Precision alloy treatment
● Construction materials
CHTEE As Professional Industrial Annealing Furnace Manufacturer,
Solves The Problems Of Annealing Furnaces.
Industrial Annealing Furnace Manufacturer
Reliable annealing furnace manufacturer offering energy-efficient design, precise temperature uniformity and fully customizable systems.
01
Advanced Technology & Expertise
Over 10 years of dedicated focus on heat treatment equipment and processes, providing mature and stable solutions that minimize trial-and-error costs.
02
Global Delivery Capabilities
With over 5,000 units of equipment delivered and services spanning more than 20 countries, we possess extensive project experience and a rapid, reliable delivery system.
03
Enhanced ROI
Comprehensive end-to-end service support optimizes operational efficiency and reduces long-term ownership costs.
Contact Customized Industrial Annealing Furnace Experts
CHTEE provides full customization including furnace size, temperature range, atmosphere type, and automation level.
We design systems tailored to production capacity, energy efficiency targets, and factory layout constraints.
We Have Solved Challenges Like These
Proven industrial annealing furnace projects delivered to global clients across steel, automotive and metal processing industries.
Higher Temperature Uniformity
By increasing the number of temperature measurement points, optimizing the air circulation system, and redesigning the heating zone, we ultimately achieved a measured uniformity of ±3℃.
Faster Heating-Up Time
Some customers want to shorten the heating time from room temperature to process temperature by 20–30%.
By adjusting the heating power and improving the insulation structure, we shortened the heating time by 25%.
Stronger Door Sealing
Some customers are concerned that air leakage from the furnace door will affect the annealing quality.
We customized high-temperature silicone sealing strips and a double-layer structure for them, reducing the leakage rate to 1/3 of the original.
Seamless Line Integration
The customer needed the new annealing furnace to fit their existing line, so we redesigned the interfaces based on their setup and achieved a one-shot successful on-site integration.
Plug-and-Play Electrical Setup
Some factories in the Middle East and Africa lack experienced electrical engineers. We completed all electrical wiring and PLC program debugging in China beforehand, so that on-site installation only requires connecting the main power supply to operate.
Voltage Adaptation
Voltage fluctuations are common, especially in the African market.
We configured a voltage stabilization system and designed the heating module to be resistant to voltage fluctuations, ensuring stable furnace temperature and preventing tripping.
Packaging And Transportation
Secure packaging and efficient transportation to ensure safe delivery of industrial equipment worldwide.
Start Your Annealing Furnace Project Today
Get expert guidance, fast quotation and customized annealing furnace design tailored to your production requirements.
Request Annealing Furnace Price
FAQ
1.What is an annealing furnace and how does the annealing furnace process work?
An annealing furnace is industrial equipment used in the annealing furnace process to heat, hold and cool metals in a controlled way, improving ductility, reducing hardness and relieving internal stress.
2.What are the different types of annealing furnace?
There are several types of annealing furnace including batch annealing furnace, bell annealing furnace, vacuum annealing furnace and continuous annealing furnace, each designed for specific materials and production needs.
3. How to choose the right annealing furnace manufacturer?
When selecting an annealing furnace manufacturer, consider experience, customization capability, furnace design quality, and whether they provide complete technical support and global service.
4. What is the price of an annealing furnace?
Annealing furnace price depends on furnace type, such as electric annealing furnace or continuous systems, as well as size, temperature range and automation level. Customized solutions usually require quotation.
5. What is the difference between vacuum annealing furnace and bright annealing furnace?
A vacuum annealing furnace uses a sealed vacuum environment to prevent oxidation, while a bright annealing furnace uses protective gas to maintain a clean and shiny surface finish.
6. What is a bell annealing furnace and how does bell furnace annealing work?
A bell annealing furnace is commonly used for coil materials. In bell furnace annealing, a protective cover is placed over the material to create a controlled atmosphere for uniform heat treatment.
7. What is a continuous annealing furnace used for?
A continuous annealing furnace is designed for high-volume production, especially in steel strip and wire processing, providing consistent quality and improved production efficiency.
8. Can annealing furnace design be customized for different materials?
Yes, annealing furnace design can be customized for different applications such as copper annealing furnace, spheroidizing annealing furnace or continuous bright annealing furnace.
9. What is the difference between batch annealing furnace process and continuous process?
The batch annealing furnace process is suitable for flexible, small-scale production, while continuous annealing furnaces are ideal for large-scale, automated production lines.
10. What industries use annealing furnaces and what materials can be processed?
Annealing furnaces are widely used in steel, automotive, wire, fastener and metal processing industries, handling materials like steel, copper, aluminum and alloy components.
We are one of the most professional annealing furnace manufacturers and suppliers in China. With abundant experience, we warmly welcome you to buy high quality annealing furnace made in China here from our factory. Thank you for your interest in our products.
Pit Annealing Furnace, Roller Hearth Furnace, furnaces by process
