Thin Wall Micro Tubes for Compact Heat Exchangers

Thin wall micro tubes for compact heat exchangers are precision small-diameter tubes engineered for thermal management systems that require space-saving design, reduced weight and enhanced efficiency. These tubes provide increased heat transfer surface area within a smaller volume compared to conventional heat exchanger tubes, enabling manufacturers to develop heat exchangers with compact structures, lower overall weight and improved system performance.

These tubes function as core tubes, tube bundle tubes or heat transfer channels in various compact heat exchanger designs. They are manufactured according to customer drawings, pressure requirements, operating temperatures and fluid media specifications.

Key Advantages of Thin Wall Micro Tubing

Compact and Lightweight Design

The small diameter and thin wall construction allow for more compact heat exchanger layouts, reducing overall system footprint and weight. This is particularly beneficial for applications with space and weight constraints.

Enhanced Heat Transfer Performance

The thin wall thickness and small internal diameter promote efficient heat transfer between fluids, contributing to improved thermal performance of the entire system.

Controlled Pressure Drop

Precise control over internal diameter dimensions ensures consistent flow characteristics and predictable pressure drop across the tube bundle.

Stable Wall Thickness and Dimensional Accuracy

These tubes feature uniform wall thickness and high concentricity. They are produced with tight dimensional tolerances, allowing for free cutting and precise assembly into tube sheets and heat exchanger cores.

Compatibility with Extreme Conditions

The tubes are suitable for use in high pressure and high temperature applications, as well as cryogenic environments, when manufactured from appropriate materials.

Corrosion Resistance

Available in a range of corrosion-resistant alloys, these tubes can withstand exposure to various fluid media and environmental conditions.

Technical Specifications of Precision Micro Tubes

Delivery Conditions

Heat treatment: Annealing/BA/Solution treated, stress released, QT

Material hardness: Cold hardened, half hardened, 1/4 hardened, soft

Surface condition: Pickled, passivated, bright, grinded, polished, cleaned, sanitary level

Material Options for Micro Heat Exchanger Tubes

We offer thin wall micro tubes in a comprehensive range of materials:

Stainless steel: TP304, TP304L, TP304H, TP304LN, TP316/TP316L, TP316H, TP316Ti, TP316LN, TP321, TP321H, TP317, TP317L, TP347, TP347H, TP310S, TP310H, TP904L, 254Mo, S30432, S31042, N08367, 253Ma S30815, S38810

Duplex & Super Duplex Steel: S31500, S32101, S32003, S32304, S31803, S32205, S32750, S32760

Nickel alloys: Hastelloy, Inconel, Incoloy, Monel and pure Nickel grades

Titanium and titanium alloys: TA1 (Gr.1), TA2 (Gr.2), TA3, TA9/TA9-1, TA10, TC4 (Gr.5)

Applications of Small Diameter Heat Transfer Tubes

These micro tubes are used in various industrial applications:

• Compact heat exchangers and microtube heat exchanger cores

• Radiators, intercoolers and oil coolers

• Oil-air heat exchangers

• High pressure and high temperature heat exchangers

• Cryogenic recuperators

• Condensers and evaporators

• Bleed air coolers

• Phase change material heat exchangers

• Microtube shell & tube heat exchangers

Quality Inspection for Microtube Core Tubes

All tubes undergo comprehensive quality inspection including dimensional verification, material testing, pressure testing and non-destructive evaluation. Inspection items cover outer diameter, inner diameter, wall thickness, roundness, straightness, length, surface condition, inner surface cleanliness and burr inspection. Additional tests include PMI verification, chemical composition analysis, mechanical testing, hardness testing, hydrostatic pressure testing, air pressure testing, eddy current testing and ultrasonic testing where applicable.

FAQ About Thin Wall Micro Tubes

Can you produce custom sizes and configurations?

Yes, we can manufacture thin wall micro tubes according to customer drawings, samples or technical specifications. Available supply forms include straight length tubes, cut-to-length tubes, precision drawn tubing and tubes with burr-free ends.

What materials are available for high temperature applications?

For high temperature applications, we recommend materials such as TP310S, TP310H, Inconel 600, Inconel 601, Inconel 625 and Incoloy 800HT.

What quality assurance measures do you implement?

We implement a comprehensive quality control system with 18 inspection items covering dimensional accuracy, material verification, mechanical properties, pressure resistance and defect detection.

What surface finishes are available?

Available surface conditions include pickled, passivated, bright, grinded, polished, cleaned and sanitary level finishes.

To receive a quotation for thin wall micro tubes for your compact heat exchanger application, please provide your technical specifications, drawings or sample details. Our team will review your requirements and provide a detailed response.