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Alloys / Copper & brass

C44300 admiralty brass

A proven heat-transfer alloy for condensers, exchangers, pump barrels, water systems, power, and industrial service.

100% Made in USA, vertically integrated copper tube manufacturing in Hillsboro, TX, with a distribution arm for copper, steel, stainless, and nickel alloys.

At a glance

Composition

Copper · zinc · tin

Primary strength

Heat transfer

Service

Fresh · salt · brackish water

Standards

ASTM · ASME · API

Technical overview

Combining copper, zinc, and tin, C44300 admiralty brass is a low-cost alloy with good heat transfer and high corrosion resistance. Ameritube’s 100% Made in USA, vertically integrated copper tube manufacturing in Hillsboro, TX leads its product line; its distribution arm supplements that output for heat-transfer and pump-barrel applications.

Material

Copper, zinc, tin

Admiralty brass is composed of zinc, copper, and tin. Copper provides increased heat transfer while zinc provides corrosion resistance. In applications such as condensers and heat exchangers cooled with fresh, salt, or brackish water, these tubes are very useful. They are found in oil refineries, power plants, and other industrial applications.

  • Low-cost alloy with good heat transfer and high corrosion resistance
  • High-quality tubing with exceptional corrosion resistance, thermal conductivity, and formability

Oil & gas

Pump barrel service

Pump barrels or sucker rod pumps used in oil drilling also use admiralty brass because of its corrosion resistance. Even though the pumps typically last between 6 months and 1 year, admiralty brass is preferred for improved longevity over carbon steel and remains below the price of materials such as Monel 400.

  • Sucker rod pump barrels and oil-drilling equipment
  • A practical step up from carbon steel for corrosion exposure

Heat transfer

A proven exchanger alloy

One of the most commonly used heat-exchange alloys, C44300’s usage goes back over 70 years. Successfully built and maintained C44300 admiralty brass heat exchangers and power-plant condensers have been in service for over fifty years. Ameritube’s copper tube manufacturing leads its product line, with distribution available when customers need complementary alloys.

  • HVAC and refrigeration
  • Power-plant condensers and industrial process cooling
  • Plumbing, potable water, hot water, and chilled water systems

Standards

Ready for the callout

Ameritube has been providing C44300 Admiralty Brass according to the following standards. Include the required standard, dimensions, temper, testing, and documentation in your request for quotation.

  • ASME SB-111
  • ASTM B-111
  • ASTM B135
  • API 11AX

Applications

Broadly useful tubing

C44300 tubing is used in heat exchanger systems, plumbing and water systems, condensers, oil and gas equipment, and automotive and transportation systems. Its thermal conductivity supports efficient heat transfer, while corrosion resistance, antimicrobial properties, formability, and durability support fluid service and demanding environments.

  • Air-conditioning units, refrigeration, and power generation
  • Oil coolers, gas pipelines, and offshore platforms
  • Fuel lines, hydraulic systems, and radiators

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