Editorial Technical Reference

Quenching Tank

This page explains how Quenching Tank is classified within Basic Metal Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A tank or vessel designed to hold quenching medium for rapid cooling of heated metal parts.

Quenching Tank in a manufacturing environment
Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Quenching Tank

Definition
The quenching tank is a critical component within the Cooling and Quenching Unit that contains the quenching medium (typically oil, water, polymer solution, or salt bath) used to rapidly cool heated metal workpieces. It facilitates controlled heat transfer to achieve desired metallurgical properties such as hardness, strength, and microstructure transformation during heat treatment processes. The tank is typically fabricated from stainless steel (grades 304/316L per ASTM A240) or carbon steel, with wall thicknesses ranging from 4 to 10 mm to ensure structural integrity under thermal stress. Its capacity ranges from 500 to 5000 liters, depending on part size and batch weight. Working temperature for water-based quenchants is 20–80°C, while oil-based systems may operate up to 120°C, with temperature control accuracy of ±2°C to ensure uniform cooling. Cooling rates are adjustable between 5 and 30°C/s via agitation and medium selection, with agitation speeds up to 1500 rpm for uniform quenching. Optional heating power of 10–100 kW preheats the quenchant. For sealed tanks, maximum operating pressure is 0.1–0.5 MPa. Electrical supply is three-phase, 380 V AC ±10%, 50/60 Hz, with ingress protection ratings of IP54–IP65 for electrical enclosures per IEC 60529. Overall dimensions range from 2000×1500×2000 mm to 6000×3000×3000 mm, customizable to site requirements, with net weight between 500 and 5000 kg depending on capacity and material. This component is essential for achieving precise cooling rates that influence metallurgical properties. Always verify model-specific values and standards with the legal manufacturer or supplier before procurement.
Working Principle
Heated metal parts are immersed into the quenching medium contained in the tank. The medium rapidly absorbs heat from the workpiece through conduction and convection, causing controlled cooling at specific rates to achieve desired phase transformations in the metal's microstructure. Agitation systems, if present, enhance heat transfer uniformity. The cooling rate is influenced by medium type, temperature, and agitation speed, all of which are adjustable to match process requirements.
Common Materials
Stainless Steel, Carbon Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Tank Capacity500–5000 LBased on part size and batch weight
Working Temperature20–80 °CFor water-based quenchants; oil up to 120°C
Temperature Control Accuracy±2 °CEnsures uniform cooling rate
Cooling Rate5–30 °C/sAdjustable via agitation and medium
Agitation Speed0–1500 rpmVariable speed for uniform quenching
Heating Power10–100 kWFor preheating quenchant
Material304/316LStainless steel for corrosion resistanceASTM A240
Wall Thickness4–10 mmStructural integrity and thermal stress
Maximum Operating Pressure0.1–0.5 MPaFor sealed tanks with pressure
Electrical Supply380 ±10% V ACThree-phase, 50/60 HzIEC 60038
Ingress ProtectionIP54–IP65For electrical enclosuresIEC 60529
Overall Dimensions (L×W×H)2000×1500×2000–6000×3000×3000 mmCustomizable to site
Net Weight500–5000 kgDepends on capacity and material

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 5 bar (typically open or vented)
flow rate: 0-100 m³/hr (based on pump and agitation)
temperature: -20°C to 200°C (depending on media and insulation)
slurry concentration: Up to 40% solids by weight (for abrasive media)
Media Compatibility
✓ Polymer quenchants (e.g., PAG solutions) ✓ Water-based salt solutions ✓ Mineral oils
Unsuitable: Strong oxidizing acids (e.g., nitric acid) due to corrosion and safety hazards
Sizing Data Required
  • Maximum part dimensions and batch volume (m³)
  • Required cooling rate (°C/sec) and quench severity
  • Production throughput (parts/hour) and cycle time

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal stress cracking
Cause: Rapid temperature fluctuations between quenching cycles causing differential expansion/contraction in tank walls and welds, exacerbated by improper preheating or cooling rates.
Corrosion and chemical degradation
Cause: Continuous exposure to aggressive quenching media (oil, polymer solutions, or salt baths) combined with oxygen ingress and contaminants, leading to pitting, thinning, and eventual leakage.
Maintenance Indicators
  • Visible cracks, bulging, or discoloration on tank surfaces, especially near welds or seams.
  • Abnormal noise during operation, such as hissing (indicating leaks) or popping sounds (suggesting rapid vaporization or thermal shock).
Engineering Tips
  • Implement a controlled heating/cooling protocol to minimize thermal gradients, including gradual preheating before quenching cycles and maintaining consistent media temperature.
  • Use corrosion-resistant linings or coatings compatible with the quenching media, and regularly monitor fluid chemistry to prevent contamination buildup.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ASTM A967 - Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts CE Marking - Machinery Directive 2006/42/EC

Quoted from the published standard.

Manufacturing Precision
  • Bore Diameter: +/-0.05mm
  • Parallelism of Mounting Surfaces: 0.2mm
Quality Inspection
  • Hydrostatic Pressure Test (1.5x operating pressure)
  • Material Composition Verification via XRF Analysis

Manufacturers of Quenching Tank

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

LuJiang ChengChi Industrial Furnace Factory
Anhui, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “fog quenching tank”
View source page ↗ en.chengchi.net · checked 2026-08-28

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Share this page
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Supply Chain Compatible Machinery & Devices

Continuous Casting Machine

Industrial machine for solidifying molten metal into continuous billets/blooms/slabs.

Explore Specs →
Vacuum Induction Melting Furnace

Industrial furnace for melting metals under vacuum using electromagnetic induction

Explore Specs →
Electroslag Remelting Furnace

An industrial furnace used in basic metal manufacturing for secondary refining of alloys through the electroslag remelting (ESR) process.

Explore Specs →
Molten Metal Temperature Measurement System

Automated system for continuous temperature monitoring of molten metals during processing.

Explore Specs →

Frequently Asked Questions

What materials are used for quenching tanks?

Quenching tanks are typically fabricated from stainless steel (grades 304/316L per ASTM A240) or carbon steel. Stainless steel offers corrosion resistance, while carbon steel is often used for cost-sensitive applications. The choice depends on the quenchant and operating environment.

What is the typical capacity range?

The tank capacity ranges from 500 to 5000 liters, depending on part size and batch weight. Larger capacities are available for high-volume production, but the exact size should be confirmed with the manufacturer based on your specific requirements.

How is cooling rate controlled?

Cooling rate is adjustable between 5 and 30°C/s by selecting the quenching medium (water, oil, polymer, or salt) and adjusting agitation speed (up to 1500 rpm). Temperature control accuracy of ±2°C ensures uniform cooling. Always verify the achievable rates for your specific model.

What standards apply to quenching tanks?

Relevant standards include ASTM A240 for stainless steel material, IEC 60038 for electrical supply, and IEC 60529 for ingress protection. These are verification references; confirm compliance with the manufacturer for your specific unit.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
Buyer enquiry

Request manufacturing insight for Quenching Tank

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes
Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here
We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman
CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim
A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at [email protected].

Need to Manufacture Quenching Tank?

Compare manufacturer profiles with relevant product and process capability.

Previous Product
Work Rolls
Last Product
Get QuotesChat