ReXin Machinery manufactures full-series industrial heat treatment furnaces covering batch box-type thermal processing and continuous mesh belt automated production lines. All equipment is designed strictly in accordance with international heat treatment process standards, supporting low-temperature stress relief, medium-temperature tempering, high-temperature oxidation-free annealing, and powder metallurgy dewaxing & sintering.

We optimize every furnace structure, temperature control system, thermal insulation structure and protective atmosphere scheme for different metal materials, physical properties and process requirements. This page provides standardized technical parameters, material matching guidelines, workpiece applicability and process logic to help global manufacturers and metallurgical engineers select the most compliant heat treatment furnace equipment accurately.

Full Series Furnace Technical Parameters & Professional Matching Guide

Box Tempering Furnace (Batch Type Low & Medium Temperature Heat Treatment)

Process Positioning: Static batch heat treatment equipment, designed for low-medium temperature tempering, quenching stress relief and artificial aging. Features uniform static temperature field, zero deformation for precision parts and stable mechanical property consistency.

Applicable Industrial Materials: Carbon steel, alloy structural steel, spring steel, tool steel, die steel, gray cast iron, ductile iron

Applicable Precision Components: Automotive fasteners, stamping hardware, die-casting parts, compression springs, tension springs, injection molds, cutting tools, hydraulic valve parts, mechanical structural accessories

Standard Process Application: Post-quench tempering, residual stress relief, hardness homogenization, aging stabilization, low-temperature dehydrogenation treatment

Technical Specifications

• Max Rated Temperature: 650℃

• Stable Working Temperature Range: 200℃–650℃

• Temperature Control Precision: ±1℃ (PID intelligent constant temperature control)

• Furnace Chamber Temperature Uniformity: ±5℃

• Standard Chamber Dimensions: 800×600×600mm / 900×600×600mm / 1500×1000×1000mm (customizable)

• Rated Power Range: 18kW–90kW

• Temperature Control Zones: 1–3 independent control zones

• Heating Element: 0Cr27Al7Mo2 high-temperature resistance alloy strip

• Lining Structure: Composite aluminum silicate fiber module + lightweight refractory brick, low thermal storage, energy saving

• Sealing System: High-temperature silicone sealing strip + mechanical compression sealing

• Power Supply: 380V / 50Hz / 3-Phase

• Loading System: Manual trolley / hydraulic automatic feeding trolley

• Optional Configuration: Nitrogen protective atmosphere system, rapid water cooling door, overtemperature automatic alarm & power-off protection

Dimensions are the same for both side-open door box tempering furnace and lifting door box tempering furnace.

>>> Box Type Tempering Furnace Products            >>> Box Tempering Furnace Video

2.2 Continuous Bright Annealing Furnace (Oxidation-Free Surface Softening Treatment)

Process Positioning: Continuous atmosphere-protected annealing production line, specializing in surface bright heat treatment. It completely isolates oxygen through sealed muffle tube and mixed protective gas, realizing oxide-free, scale-free, mirror-bright surface after annealing.

Applicable Industrial Materials: 201, 304, 304L,316, 316L, 410, 430 stainless steel, brass, bronze, red copper, soft magnetic alloy, permalloy, nickel alloy,410 hardness up to HV800 after treatment. Working temperature: 1020℃–1080℃.

Applicable Precision Components: Stainless steel tableware, kitchen cutlery, precision stamping parts, copper terminals, magnetic core components, alloy connectors, watch accessories, medical small metal parts

Standard Process Application: Cold working stress relief, material grain recrystallization, hardness softening, surface bright restoration, ductility improvement

Technical Specifications

• Max Working Temperature: 1150℃

• Long-term Stable Operating Temperature: ≤1100℃

• Mesh Belt Width: 200mm / 320mm / 400mm (customized available)

• Effective Heating Zone Length: 3m–12m

• Total Rated Power: 90kW–220kW

• Temperature Control Zones: 3–7 independent PID closed-loop control zones

• Temperature Uniformity: ±5℃

• Conveyor Belt Material: Imported SUS314 high-temperature resistant stainless steel mesh belt

• Muffle Tube Material: Swedish imported 310S high-temperature stainless steel (6–8mm)

• Cooling System: Segmented indirect water jacket circulating cooling

• Protective Atmosphere: Decomposed ammonia gas / high-purity nitrogen / hydrogen forming gas

• Transmission Mode: Frequency conversion stepless speed regulation

• Empty Furnace Heating Time: ≤3h

• Furnace Shell Temperature Rise: ≤ Ambient Temperature +35℃

Bright Annealing Furnace – Product Dimension Specifications

>>> Stainless Steel Bright Annealing Furnace                              >>> Mesh Belt Bright Annealing Furnace

2.3 Mesh Belt Powder Metallurgy Sintering Furnace (Dewaxing + High-Temperature Sintering Integrated Line)

Process Positioning: Professional integrated dewaxing and high-temperature sintering equipment for powder metallurgy industry. It adopts segmented temperature gradient design to complete binder volatilization & decomposition and metal powder metallurgical bonding in one continuous process, ensuring high density, high dimensional accuracy and stable mechanical properties of sintered parts.

Applicable Industrial Materials: Iron-based powder alloy, copper-based powder alloy, stainless steel powder, ferrite magnetic powder, MIM metal injection molding alloy

Applicable Precision Components: Powder metallurgy gears, self-lubricating oil-containing bearings, automobile PM structural parts, MIM medical precision parts, motor magnetic components, metal filter elements, small sintered structural parts

Standard Process Application: Green body dewaxing, high-temperature sintering, alloy diffusion strengthening, copper brazing & silver brazing of precision parts

Technical Specifications

• Max Sintering Temperature: 1200℃

• Long-term Working Temperature: ≤1200℃

• Standard Mesh Belt Width: 320mm (customizable)

• Segment Design: 3 preheating & dewaxing zones + 4 high-temperature sintering zones

• Total Rated Power: 175kW ±5%

• Effective Muffle Tube Size: Custom length × 350mm × 80mm

• Muffle Tube: Imported Swedish 310S stainless steel, 8mm thick

• Heating Component: 0Cr27Al7Mo2 high-resistance spiral alloy heating wire

• Cooling Structure: Three-section arch water cooling jacket

• Driving System: 2.2kW frequency conversion geared motor, S-type anti-deviation roller group

• Supporting Atmosphere Equipment: 10–30m³/h ammonia decomposer unit

• Temperature Control Accuracy: ±1℃

• Furnace Body Uniformity: ±5℃

Powder Metallurgy Sintering Furnace – Product Dimension Specifications

>>> Powder Metallurgy Sintering Furnace Products

2.4 Roller Supported Mesh Belt Furnace (Heavy-Duty Workpiece Continuous Heat Treatment)

Process Positioning: Upgraded heavy-load mesh belt furnace with internal high-temperature alloy roller support structure. Solves the sagging, deformation and stress concentration problems of ordinary mesh belts under heavy workpiece load, suitable for continuous heat treatment of high-weight and high-density workpieces.

Applicable Industrial Materials: Thick carbon steel plate, heavy stainless steel, high-density powder metallurgy blank, hard alloy, thick aluminum alloy profile

Applicable Heavy Components: Automotive thick structural parts, large stamping blanks, heavy-duty PM bushings, engineering hardware, large bearing parts, mechanical thick-wall fittings

Standard Process Application: Heavy parts continuous annealing, normalization, stress relief, high-density blank sintering

Technical Specifications

• Max Working Temperature: 1050℃

• Mesh Belt Width Range: 300mm–600mm

• Internal Structure: Uniformly arranged high-temperature alloy supporting rollers

• Temperature Control Zones: 3–6 independent closed-loop control zones

• Total Power Range: 110kW–260kW

• Inner Liner Material: 310S stainless steel integral muffle plate

• Cooling Mode: Segmented indirect water circulation cooling

• Driving System: Dual frequency conversion tension control, anti-slip & anti-deviation

• Single Workpiece Bearing Capacity: Maximum 15kg

• Optional Atmosphere: High-purity nitrogen, decomposed ammonia, forming mixed gas

>>> Roller Mesh Belt Furnace

2.5 Muffle-Free Roller Mesh Belt Furnace (Low-Cost Mass Production Type)

Process Positioning: Energy-saving and maintenance-free continuous annealing furnace, canceling traditional 310S muffle tube structure. Integral ceramic fiber hearth + full roller support design, eliminating muffle tube aging, deformation and replacement costs, suitable for large-scale and low-margin standardized heat treatment production lines.

Applicable Industrial Materials: Low-carbon steel, ordinary stainless steel, aluminum alloy, soft magnetic material, common iron alloy

Applicable Standard Components: Ordinary stamping fasteners, small magnetic rings, aluminum alloy heat sinks, standard hardware accessories, mass low-end annealed parts

Standard Process Application: Large-volume continuous softening annealing, conventional stress relief, mass standardized thermal processing

Technical Specifications

• No independent stainless steel muffle tube design

• Max Operating Temperature: 1000℃

• Mesh Belt Width: 300mm–700mm (customizable)

• Heating Mode: Top and bottom double-sided balanced heating

• Temperature Control Zones: 4–8 segmented precise control zones

• Total Rated Power: 130kW–300kW

• Hearth Lining: High-purity ceramic fiber module, low heat storage & energy saving

• Supporting Parts: High-temperature anti-oxidation alloy rollers

• Cooling System: Multi-stage water cooling + gas air curtain sealing

• Core Technical Advantage: Zero muffle replacement cost, low operation & maintenance cost, high production efficiency

>>> Muffle-Free Roller Mesh Belt Furnace

2.6 Mesh Belt Muffle Furnace (High-Precision Sealed Atmosphere Type)

Process Positioning: High-end precision sealed atmosphere heat treatment equipment. Adopts integral fully welded 310S stainless steel muffle tube to achieve micro-positive pressure internal atmosphere, completely isolate external air intrusion. It is the preferred equipment for high-precision, high-surface-quality and high-stability thermal processing.

Applicable Industrial Materials: High-grade stainless steel, precision copper alloy, high-performance magnetic alloy, high-purity powder metallurgy alloy, silver brazing composite material

Applicable High-End Components: Medical precision metal parts, aerospace miniature structural parts, high-end stainless steel tableware, ultra-precision PM gears, electronic sensor magnetic components

Standard Process Application: Mirror-bright oxidation-free sintering, high-purity atmosphere annealing, precision part brazing, ultra-low deformation thermal treatment

Technical Specifications

• Integral fully sealed 310S stainless steel muffle tube structure

• Max Working Temperature: 1200℃

• Conveyor Belt: SUS314 ultra-high temperature resistant stainless steel mesh belt

• Temperature Control: Multi-section PID intelligent segmented heating

• Sealing Technology: Feed end high-temperature automatic sealing strip + discharge end gas air curtain isolation

• Transmission System: S-type tension constant pressure system, zero deviation operation

• Core Technical Advantage: Extremely low oxygen infiltration rate, zero oxide scale, ultra-high surface finish of finished parts

>>> Mesh Belt Muffle Furnace

3. Core Component Standard & Industrial-Grade Material Certification

All key wearing parts and high-temperature components adopt internationally recognized brand materials to ensure long-term high-temperature stability and low failure rate of the equipment:

• Muffle Tube & High-Temperature Liner: Swedish imported 310S stainless steel plate

• Heating Element: 0Cr27Al7Mo2 high-temperature high-resistance Fe-Cr-Al alloy strip/wire

• Conveyor Mesh Belt: Japan Nippon Steel SUS314 high-temperature resistant mesh belt

• Temperature Detection: Type S platinum-rhodium high-precision thermocouple

• Thermal Insulation Material: Shandong Luyang aluminum silicate fiber & mullite refractory brick

• Electrical Control Components: Chint low-voltage electrical appliances + Yudian industrial intelligent temperature controller

4. ISO Triple Quality Management System Certification

ReXin Machinery strictly implements full-process standardized production and testing, owning complete international authoritative system certifications, ensuring that every furnace meets global industrial heat treatment standards:

• ISO 9001 QMS Certification – Full-process quality management system, standardized incoming inspection, production assembly and factory testing

• ISO 14001 EMS Certification – Environmental management system, energy-saving and low-emission furnace design, compliant with global environmental protection standards

• ISO 45001 OHSMS Certification – Occupational health and safety management system, standardized workshop production and equipment safety protection mechanism

ISO 45001 OHSMS Certification

ISO 1401 EMS Certification

ISO 9001 QMS Certification

 

5. Customized Industrial Heat Treatment Solutions

Aiming at different material characteristics, process parameters, hourly output, workshop space and atmosphere requirements, we provide one-stop non-standard customized services:

• Customize furnace length, mesh width, hearth height and rated power

• Optimize temperature zone layout for special sintering & annealing processes

• Configure exclusive protective atmosphere system (nitrogen, hydrogen, decomposed ammonia)

• Upgrade rapid cooling system for high-efficiency production lines

• Customize automatic loading and unloading auxiliary equipment

• Adjust running speed and temperature gradient for special workpiece deformation control

6. Factory Strength & Global Project Cases

With standardized production workshops, complete in-house processing equipment and strict factory inspection procedures, ReXin Machinery’s heat treatment furnaces are widely exported to Russia, India, Southeast Asia and other global metal processing and powder metallurgy manufacturing bases. We provide full-life technical support, remote debugging guidance and global after-sales service system.

1. Ensure both side panels are perpendicular to the ground without distortion to guarantee dimensional accuracy.

2. Make 45° bevel at welding joints, polish weld seams and chamfer sharp corners.

3. Full penetration welding is required for furnace liner and water jacket.

4. Adopt L-type butt welding if length is insufficient.

1. Ensure both side panels are perpendicular to the ground without distortion to guarantee dimensional accuracy.

2. Make 45° bevel at welding joints, polish weld seams and chamfer sharp corners.

3. Full penetration welding is required for furnace liner and water jacket.

4. Adopt L-type butt welding if length is insufficient.

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