ASTM B111 C44300 Admiralty Brass Seamless Tube for Heat Exchanger & Condenser

ASTM B111 C44300 Admiralty Brass Seamless Tube Supplier | Heat Exchanger Tubes

Product Overview

High-Performance ASTM B111 C44300 Admiralty Brass Tubes for Heat Transfer Applications.

ASTM B111 C44300 Admiralty Brass Tube is a seamless copper alloy tube widely used in condensers, heat exchangers, evaporators and other heat transfer equipment. The alloy contains approximately 70% copper, 29% zinc and a small addition of tin, providing improved resistance to dezincification and corrosion in fresh water, mildly saline water and industrial cooling systems.

Manufactured in accordance with ASTM B111, C44300 tubes offer excellent thermal conductivity, good cold-working properties and reliable mechanical strength for pressure-containing heat transfer applications.

Technical Specifications

ASTM B111 C44300 Tube Specifications

Chemical Composition

Chemical Composition of C44300 Admiralty Brass

Mechanical Properties

Mechanical properties vary depending on temper and tube dimensions.

Features

Key Features of ASTM B111 C44300 Tube

• Excellent Corrosion Resistance

The addition of approximately 1% tin improves resistance to dezincification, making C44300 suitable for freshwater cooling systems and mildly marine environments.

• High Thermal Conductivity

The copper-rich composition provides efficient heat transfer for condensers, heat exchangers and cooling equipment.

• Good Fabrication Performance

The seamless structure supports bending, expanding and fabrication processes commonly required during heat exchanger manufacturing.

• Reliable Pressure Performance

Manufactured to ASTM B111 dimensional and quality requirements, the tubes are suitable for pressure-containing heat transfer equipment.

• Excellent Machinability

Suitable for fabrication including cutting, tube expansion and end forming.

Typical Applications

Industries and Applications

ASTM B111 C44300 Admiralty Brass Tubes are widely used in:

• Shell & Tube Heat Exchangers

• Surface Condensers

• Power Generation Plants

• Petrochemical Plants

• Chemical Processing Equipment

• HVAC Heat Transfer Systems

• Desalination Plants

• Marine Cooling Systems

• Shipbuilding

• Offshore Cooling Equipment

• Sugar Industry

• Evaporators

Inspection and Testing

Quality Control: Every production batch can be inspected according to customer requirements. Available inspections include:

• Eddy Current Test

• Hydrostatic Test

• PMI (Positive Material Identification)

• Dimensional Inspection

• Visual Inspection

• Mechanical Property Test

• Chemical Composition Analysis

• Flattening Test

• Flaring Test

• Surface Quality Inspection

Packaging

Standard Export Packaging

• Plastic End Caps

• PVC Wrapped Bundles

• Waterproof Packing

• Wooden Cases

• Fumigation-Free Export Boxes

• Customer-Specified Packaging

Frequently Asked Questions(FAQ)

• What is ASTM B111 C44300 used for?

It is mainly used for heat exchangers, condensers, evaporators and cooling systems requiring efficient heat transfer and good corrosion resistance.

• Why choose Admiralty Brass instead of ordinary brass?

The tin addition improves resistance to dezincification, making C44300 more suitable for cooling water and condenser service than standard brass grades.

• Is ASTM B111 C44300 suitable for seawater?

C44300 performs well in fresh water and mildly saline water. For high-velocity seawater or more aggressive marine environments, copper-nickel alloys such as C70600 or C71500 are generally preferred due to their superior seawater corrosion resistance.

• Can customized sizes be supplied?

Yes. Outside diameter, wall thickness, length and temper can be manufactured according to project requirements.

Why Choose YUHONG ASTM B111 C44300 Tubes

• Manufactured in accordance with ASTM B111 / ASME SB111

• Seamless cold drawn process for dimensional consistency

• Available in multiple tempers and customized dimensions

• Suitable for condenser and heat exchanger fabrication

• Comprehensive inspection options including eddy current and hydrostatic testing

• Export-ready packaging for international projects

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