Editorial Technical Reference

Quench Tank

This page explains how Quench 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 container designed to hold and circulate quenching medium for rapid cooling of heated metal parts.

Product Specifications

Technical details and manufacturing context for Quench Tank

Definition
The Quench Tank is a critical component of the Quench System that contains the quenching fluid (oil, water, polymer, or salt) used to rapidly cool metal parts after heat treatment. It ensures controlled cooling rates to achieve desired material properties like hardness and strength while minimizing distortion and cracking. The tank is typically fabricated from stainless steel (grades 304 or 316 per ASTM A240) or carbon steel, with wall thicknesses ranging from 3 to 10 mm. Its capacity ranges from 500 to 10,000 liters, and it can handle maximum loads of 500 to 5,000 kg per batch. Working temperature is typically 20–80°C for water-based quenchants, with oil up to 120°C, and temperature control accuracy is ±2°C. Agitation speed is adjustable from 0 to 1500 rpm to control cooling rates. Heating power ranges from 10 to 100 kW for preheating the quench medium, and cooling capacity is 50–500 kW at a temperature difference of 40°C. The tank's overall dimensions (L×W×H) range from 2000 to 6000 mm, and empty weight is 500–3000 kg. Electrical supply is three-phase, 380–480 V AC, 50/60 Hz, with ingress protection ratings of IP54 to IP65 for the control panel. These values are directory reference ranges and must be confirmed for the actual model and application. The tank is designed for integration into heat treatment lines, with interfaces for agitation systems, heating elements, temperature sensors, and quenchant circulation. Verification questions include checking material grade, capacity, and compliance with relevant standards. Maintenance signals include leaks, corrosion, or inconsistent cooling rates. Failure boundaries include structural fatigue, thermal stress, and quenchant degradation.
Working Principle
Heated metal parts are submerged into the quenching medium within the tank. The medium absorbs heat from the parts through conduction and convection, with agitation systems (pumps, impellers) often used to maintain uniform temperature and cooling rates throughout the tank volume. The tank's design ensures controlled cooling to achieve desired material properties.
Common Materials
Stainless Steel, Carbon Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Tank Capacity500–10000 LSelect based on batch size and part dimensions
Working Temperature20–80 °CWater-based quenchants; oil up to 120°C
Temperature Control Accuracy±2 °CRequired for consistent hardness
Agitation Speed0–1500 rpmAdjustable to control cooling rate
Heating Power10–100 kWFor preheating quench medium
Cooling Capacity50–500 kWHeat extraction rate at ΔT=40°C
Material304/316 SS316 for corrosive quenchantsASTM A240
Tank Wall Thickness3–10 mmStructural integrity and thermal stress
Maximum Load500–5000 kgWeight of parts per batch
Electrical Supply380–480 V ACThree-phase, 50/60 HzIEC 60038
Ingress ProtectionIP54–IP65Dust and splash proof for control panelIEC 60529
Overall Dimensions2000–6000 mmLength × width × height (L×W×H)
Weight500–3000 kgEmpty tank weight

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
  • Tank Shell
    Primary containment structure for quenching medium
    Material: Stainless Steel
  • Agitation System
    Circulates quenching medium to ensure uniform cooling
    Material: Stainless Steel
  • Heating/Cooling Coils
    Maintains optimal temperature of quenching medium
    Material: Stainless Steel
  • Drain Valve
    Allows for emptying and maintenance of the tank
    Material: Brass or Stainless Steel
  • Quenching Medium
    The liquid that absorbs the heat from the submerged parts.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Quench Tank.

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: 0 to 10 bar
flow rate: Up to 500 L/min
temperature: -20°C to 150°C
Media Compatibility
✓ Water-based quench oils ✓ Polymer quenchants ✓ Molten salt baths
Unsuitable: Highly acidic or caustic solutions (pH < 2 or > 12)
Sizing Data Required
  • Maximum part volume per batch (L)
  • Required cooling rate (°C/min)
  • Production cycle time (minutes)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal stress cracking
Cause: Rapid temperature cycling between hot quench media and ambient conditions, leading to material fatigue and crack propagation in tank walls or welds.
Corrosion and pitting
Cause: Chemical attack from quench oils, salts, or water-based solutions, exacerbated by impurities, improper pH levels, or inadequate material selection for the specific quench medium.
Maintenance Indicators
  • Visible weeping or leaks at welds or seams, indicating crack development or corrosion penetration.
  • Unusual audible hissing or bubbling sounds during operation, suggesting overheating, boiling, or vapor pocket formation in the quench medium.
Engineering Tips
  • Implement a controlled cooling rate protocol and pre-heat the quench medium when possible to minimize thermal shock and stress on tank materials.
  • Establish routine chemical analysis and filtration of the quench fluid to control contamination, maintain proper concentration/pH, and reduce corrosive wear.

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
ASME BPVC Section VIII - Pressure Vessels EN 13445 - Unfired Pressure Vessels

Quoted from the published standard.

Manufacturing Precision
  • Wall Thickness: +/-0.5 mm
  • Overall Dimensions: +/-2 mm
Quality Inspection
  • Hydrostatic Pressure Test
  • Visual and Dimensional Inspection

Manufacturers of Quench 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: “Quench 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.

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Frequently Asked Questions

What materials are used for quench tanks?

Quench tanks are typically made of stainless steel (grades 304 or 316 per ASTM A240) or carbon steel. The choice depends on the quenchant and corrosion resistance required.

What is the typical capacity range?

The tank capacity ranges from 500 to 10,000 liters, depending on batch size and part dimensions. Confirm the exact capacity for your application.

How is temperature control achieved?

Temperature control accuracy is ±2°C, achieved through heating elements and cooling systems. Agitation helps maintain uniform temperature.

What standards apply to quench tanks?

Material standards include ASTM A240 for stainless steel. Electrical supply should comply with IEC 60038, and ingress protection with IEC 60529. Verify compliance with the manufacturer.

Data Basis

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

Preliminary Technical Classification
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