INDUSTRY COMPONENT

Tube/Coil Body

Primary structural element of heating tubes/coils that contains and directs heat transfer fluid or electrical elements for industrial thermal applications.

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Component Specifications

Definition
The tube/coil body is the core cylindrical or helical structural component in heating systems, designed to withstand thermal expansion, pressure, and corrosive environments while efficiently transferring heat through conduction and convection. It serves as the containment vessel for heat transfer fluids (in liquid-based systems) or houses electrical resistance elements (in electric systems), with geometry optimized for maximum surface area exposure and minimal thermal resistance.
Working Principle
Operates on principles of thermal conduction and fluid dynamics: heat generated internally (via electrical resistance or combustion) or transferred from external sources is conducted through the tube wall material, then transferred to the surrounding medium (air, liquid, or solid) via convection. In fluid-based systems, the body contains circulating media that absorbs and transports thermal energy; in electric systems, it insulates and protects heating elements while radiating heat outward.
Materials
Stainless steel (AISI 304/316 for corrosion resistance), carbon steel (ASTM A179 for high pressure), copper (C12200 for high conductivity), Inconel (for extreme temperatures), with optional ceramic coatings or polymer linings for specific applications.
Technical Parameters
  • Length 0.5-10 m
  • Diameter 6-50 mm
  • Surface Finish Ra 0.8-3.2 μm
  • Wall Thickness 0.5-3.0 mm
  • Pressure Rating 10-300 bar
  • Temperature Range -50°C to 1200°C
Standards
ISO 9001, DIN 17457, ASME BPVC Section VIII, EN 13445

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tube/Coil Body.

heating coil body industrial tube component thermal transfer element heat exchanger tube coil manufacturing standards Tube/Coil Body Tube/Coil Body in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Heating Tube/Coil

A tubular or coiled heating element that transfers thermal energy to fluids or surfaces within a heating jacket/coil assembly.

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Engineering Analysis

Risks & Mitigation
  • Thermal fatigue cracking
  • Corrosion failure
  • Pressure rupture
  • Fouling accumulation
  • Electrical insulation breakdown
FMEA Triads
Trigger: Cyclic thermal stress
Failure: Fatigue cracks at weld joints
Mitigation: Implement expansion joints, use stress-relieved materials, conduct regular thermal cycling tests
Trigger: Chemical corrosion
Failure: Wall thinning and leakage
Mitigation: Select corrosion-resistant alloys, apply protective coatings, monitor fluid chemistry

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm diameter, ±0.05 mm wall thickness, ±1° straightness per meter
Test Method
Hydrostatic pressure testing (1.5x operating pressure), eddy current inspection, radiographic examination, thermal cycling validation

Buyer Feedback

★★★★☆ 4.7 / 5.0 (25 reviews)

"Found 51+ suppliers for Tube/Coil Body on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Tube/Coil Body is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Tube/Coil Body so far."

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Frequently Asked Questions

What factors determine material selection for tube/coil bodies?

Material selection depends on operating temperature, pressure, corrosion environment, thermal conductivity requirements, and cost. Stainless steel offers corrosion resistance, copper provides superior conductivity, while specialty alloys handle extreme conditions.

How does tube geometry affect heating efficiency?

Smaller diameters increase pressure drop but improve heat transfer coefficients; helical coils enhance turbulence and surface area compared to straight tubes; wall thickness balances structural integrity against thermal resistance.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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