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Radiator Core Component – Machinery and Equipment Manufacturing

Component Specifications

Definition

The radiator core is the primary heat transfer element within a radiator assembly, consisting of tubes and fins that facilitate efficient thermal exchange between hot coolant and ambient air. It functions as a cross-flow heat exchanger where coolant flows through tubes while air passes over finned surfaces, dissipating heat through conduction and convection to maintain optimal operating temperatures in machinery.

Working Principle

Operates on heat transfer principles: conduction through tube walls and fins, and convection as air flows across fin surfaces. Hot coolant transfers thermal energy to tube walls, which conduct heat to fins where forced air convection carries heat away, following the equation Q = U × A × ΔT (heat transfer rate = overall coefficient × area × temperature difference).

Materials

Typically aluminum alloys (3003, 5052) for lightweight corrosion resistance, or copper-brass combinations for high thermal conductivity. Fins: aluminum (0.1-0.3mm thickness). Tubes: aluminum (0.3-0.5mm wall) or copper (0.2-0.4mm). Headers: aluminum casting or plastic composites.

Technical Parameters

Fin Pitch 1.5-3.0mm
Flow Rate 10-100 L/min
Tube Pitch 8-12mm
Fin Density 8-16 fins per inch
Tube Thickness 0.3-0.5mm
Core Dimensions Varies by application (typical: 300-800mm width × 200-600mm height × 16-50mm depth)
Pressure Rating 100-300 kPa
Thermal Capacity 5-50 kW depending on size

Standards

ISO 16369, DIN 30676, SAE J1394

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Radiator Core.

Parent Products

This component is used in the following industrial products

Radiator/Fan Assembly

Integrated cooling unit combining radiator and fan for heat dissipation

View Product Details

Engineering Analysis

Risks & Mitigation

Thermal fatigue from temperature cycling
Corrosion from coolant contamination
Fin damage from debris impact
Tube blockage from scale buildup
Pressure failure from over-pressurization

FMEA Triads

Trigger: Coolant contamination with chlorides/sulfates
Failure: Pitting corrosion leading to tube perforation
Mitigation: Use inhibited coolants, regular coolant testing, and cathodic protection

Trigger: Thermal cycling stress
Failure: Fatigue cracking at tube-header joints
Mitigation: Design with expansion joints, use flexible connections, control temperature gradients

Trigger: Airflow obstruction
Failure: Reduced heat transfer efficiency causing overheating
Mitigation: Regular cleaning, install protective screens, maintain proper fin spacing

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

Tube diameter: ±0.1mm, Fin spacing: ±0.05mm, Flatness: 0.5mm/m, Leak test: 0 bubbles/min at 150kPa

Test Method

Pressure decay test (ISO 16369), Flow resistance test, Thermal performance test (SAE J1394), Salt spray corrosion test (ASTM B117)

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between a radiator core and a complete radiator assembly?

The radiator core is the central heat exchange component containing tubes and fins, while the complete assembly includes additional components like tanks, headers, mounting brackets, and connections.

How do I determine if a radiator core needs replacement?

Signs include visible corrosion or damage to fins/tubes, reduced cooling efficiency (overheating), coolant leaks at core joints, or pressure test failures indicating structural weakness.

Can aluminum and copper radiator cores be used interchangeably?

Not directly - they have different thermal properties, expansion rates, and connection methods. Compatibility depends on system design, coolant type, and connection interfaces.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

Radiator Core