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Vacuum heat treatment furnace

Engineered for precision quenching, annealing, tempering, and hardening processes to enhance material strength, durability, and performance.

Product Introduction

Our Vacuum Heat Treatment Furnace series is engineered for precision thermal processing of tool steels, stainless steels, alloy steels, titanium alloys, magnetic materials, and advanced industrial components.

The system covers a complete range of heat treatment processes, including:

  • Vacuum Quenching
  • Vacuum Annealing
  • Vacuum Tempering
  • Solution Treatment
  • Aging Treatment
  • Vacuum Dehydrogenation

Designed for bright, oxidation-free heat treatment, these furnaces provide excellent temperature uniformity, stable vacuum performance, and adjustable quenching pressure for different material requirements.

Both horizontal and vertical furnace structures are available, and all models support custom chamber dimensions, manual/automatic switching, complete alarm protection systems, and flexible loading configurations.

Key Specifications

ItemSpecification
Maximum Temperature950°C / 1320°C
Heating ElementsGraphite / Molybdenum / Ni-Cr
Ultimate Vacuum5×10⁻⁴ Pa to 4×10⁻³ Pa
Gas Quenching Pressure2 bar / 6 bar / 10 bar
Temperature Uniformity±5°C
Furnace StructureHorizontal / Vertical
Operation ModeManual / Fully Automatic
CustomizationChamber size, pressure, feeding mode

Typical Applications

Suitable for heat treatment of:

  • Cold & hot work die steel
  • High-speed steel
  • Tool steel
  • Mold steel
  • Stainless steel
  • Spring steel
  • Structural steel
  • Alloy steel
  • Titanium alloy
  • Soft magnetic materials
  • Silicon steel sheets
  • Electrical pure iron

Typical industries include:

  • Aerospace
  • Automotive manufacturing
  • Tooling & mold industry
  • Electronics
  • Metallurgy
  • Precision machinery

Custom Design Options

All furnace types can be customized according to customer process requirements.

Available options include:

  • custom chamber dimensions
  • horizontal or vertical structure
  • automatic loading system
  • multiple feeding modes
  • adjustable quenching pressure
  • PLC touch screen control
  • data recording & remote monitoring
  • manual / automatic mode switching
  • complete alarm and protection system

Furnace Types

High Pressure Gas Quenching Furnace

Designed for vacuum bright gas quenching and solution treatment of die steel, high-speed steel, stainless steel, alloy steel, and titanium alloy.

It is especially suitable for:

  • vacuum gas quenching
  • vacuum dehydrogenation of titanium alloys
  • solution treatment
  • aging treatment
Main Features
  • Heating element: Graphite / Molybdenum
  • Max temperature: 1320°C
  • Ultimate vacuum: 4×10⁻³ Pa
  • Gas cooling pressure: 6 bar / 10 bar
  • Excellent bright surface finish
  • precise pressure control for different materials

This furnace is widely used for components requiring high hardness, low deformation, and excellent surface brightness.


Double Chamber Oil & Gas Quenching Furnace

Mainly used for bright quenching of tool steel, high-speed steel, mold steel, stainless steel, spring steel, and aerospace structural steel.

The double chamber design improves production efficiency and process safety.

Main Features
  • Heating element: Graphite / Molybdenum
  • Max temperature: 1320°C
  • Ultimate vacuum: 4×10⁻¹ Pa
  • Gas quenching pressure: 2 bar
  • Double-chain variable frequency transmission
  • adjustable transfer speed

Suitable for customers requiring stable batch production and fast cycle switching.


Vacuum Annealing Furnace

Specially designed for bright annealing and stress relief treatment.

Common applications include:

  • soft magnetic materials
  • silicon steel sheets
  • electrical pure iron
  • welded components
  • cold stamping parts
  • steel alloys

It effectively removes residual internal stress after welding and forming to prevent deformation and cracking.

Main Features
  • Heating element: Ni-Cr / Molybdenum
  • Max temperature: 950°C / 1320°C
  • Temperature uniformity: ±5°C
  • Ultimate vacuum: 5×10⁻⁴ Pa
  • Gas cooling pressure: 2 bar
  • optional convection heating system

For low-temperature and large-batch annealing processes, convection heating can significantly improve heating speed and temperature uniformity.


Vacuum Tempering Furnace

Suitable for bright tempering after quenching of high-speed steel, tool steel, alloy steel, and titanium alloy.

Also suitable for magnetic materials and electrical steels.

Main Features
  • Heating element: Ni-Cr / Molybdenum
  • Max temperature: 950°C / 1320°C
  • Vacuum level: 4×10⁻³ Pa
  • Gas cooling pressure: 2 bar

This furnace is widely used to improve toughness, reduce brittleness, and stabilize dimensional accuracy after quenching.

Detailed Information

Vacuum Oil Quenching Furnace

Vacuum bright oil quenching

Tool steel and mold steel

Spring steel and aerospace components

High hardness and stable structure

Vacuum Gas Quenching Furnace

High-pressure vacuum gas quenching

Titanium alloy and stainless steel

Solution and aging treatment

6 bar / 10 bar gas cooling

Vacuum Annealing Furnace

Bright annealing and stress relief

Magnetic materials and steel alloys

Low deformation processing

Fast and uniform convection heating

Vacuum Tempering Furnace

Bright tempering treatment

Tool steel and alloy steel

Post-quenching thermal processing

Improved toughness and stability

Contact Us

15+ Years Industrial Experience

Annual output 200+

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