Sep 16, 2025 Leave a message

UNS-C44300-Admiralty-Brass-Tube.pdf

ASME B111 C44300 Brass Tube Copper Steel Seamless Tube Heat Exchanger Tube

Key Features:

Material: ASME B111 C44300 Copper Alloy pipe
C44300 is a copper-based alloy, typically known for its excellent corrosion resistance, high thermal conductivity, and mechanical properties. It is specifically designed for use in heat exchangers and other applications where efficient heat transfer and long-lasting durability are essential. C44300 copper alloy is also known for its ability to withstand harsh environments, including exposure to seawater and other corrosive fluids.

Manufacturing Process: Seamless Tube
The seamless manufacturing process eliminates any welds, creating a uniform and smooth tube structure that enhances fluid flow and thermal conductivity. Seamless tubes are ideal for applications that require high strength and reliability under pressure, such as in heat exchangers, where leakage and performance issues are not tolerable.

Application: Heat Exchanger Tube
This seamless tube is designed for use in heat exchangers, particularly in industries like chemical processing, marine, HVAC, and power generation, where efficient heat transfer between fluids is crucial. Copper alloy tubes are often used in condenser and evaporator systems, boilers, and cooling towers due to their superior thermal conductivity and resistance to corrosion.

 

Chemical Composition:

Element C44300 Copper Alloy
Copper (Cu) 86.5% - 90.0%
Zinc (Zn) 0.3% (max)
Lead (Pb) 0.05% (max)
Iron (Fe) 0.30% (max)
Manganese (Mn) 0.30% (max)
Tin (Sn) 0.05% (max)

 

Mechanical Properties:

Property C44300 Copper Alloy Seamless Tube
Tensile Strength 210 - 350 MPa
Yield Strength 100 MPa (min)
Elongation 35% (min)
Hardness Brinell hardness: 70 - 130 HB

Brass Thick Wall Copper Pipes
pressed and drawn seamless pipe
straight copper brass tube
Polished Seamless Copper Tubes

Advantages:

Superior Thermal Conductivity: Copper alloys like C44300 are known for their excellent ability to transfer heat, making them ideal for use in heat exchangers where high-efficiency heat exchange is required.

Corrosion Resistance: C44300 copper alloy offers outstanding resistance to corrosion, particularly in seawater and other harsh environments. This ensures long service life and reduced maintenance costs for heat exchangers.

High Strength and Durability: With its high tensile strength and good mechanical properties, C44300 copper alloy ensures the reliability of the seamless tube under high-pressure conditions.

Seamless Design: The seamless tube provides enhanced flow characteristics and structural integrity, making it a preferred choice in high-performance heat exchangers.

Versatile Application: It is used in various applications like marine heat exchangers, industrial cooling systems, and refrigeration units due to its resilience and efficiency.

 

Applications:

Heat Exchangers: Used extensively in industrial heat exchangers to transfer heat efficiently between fluids.

Marine Systems: Ideal for seawater heat exchangers in marine environments due to its high corrosion resistance.

Cooling Systems: Utilized in HVAC, refrigeration, and other cooling systems where efficient heat transfer is critical.

Power Plants: Often found in cooling towers and steam generators to maintain operational efficiency.

 

Copper products that GNEE can provide

copper pipe

High quality 99.9% pure copper pipe / straight copper tube / copper alloy pipe

Standard

ASTM,DIN,BS,CDA,JIS,GB

Material

T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800,
C10910,C10920,TP1,TP2,C10930,C11000,C11300,C11400,C11500,
C11600,C12000,C12200,C12300,TU1,TU2,C12500,C14200,C14420,
C14500,C14510,C14520,C14530,C17200,C19200,C21000,C23000,
C26000,C27000,C27400,C28000,C33000,C33200,C37000,C44300,
C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70600,
C70620,C71000,C71500,C71520,C71640,C72200,etc.

Shape

Round,Square,Rectangular,etc.

Specifications

Round:wall thickness:0.2mm~120mm,outside diameter:2mm~910mm

Square:wall thickness:0.2mm~120mm,size:2mm*2mm~1016mm*1016mm

Rectangularwall thickness:0.2mm~120mm,size:2mm*4mm~1016mm*1219mm

Length

3m,5.8m, 6m, 11.8m, 12m, or as required.

Hardness

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc

Surface

mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required.

Price term

EXW, FOB, CFR, CIF, etc.

Payment term

T/T

Package

Export standard package: bundled wooden box, suit for all kinds of transport,
or be required.

Delivery time

According to order quantity

Export to

Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain,
Canada, USA, Egypt, Kuwait, Dubai, Oman, Kuwait, Peru, Mexico, Iraq,
Russia,Malaysia, etc.

Application

Copper pipe is the first choice of residential housing water pipes, heating, cooling pipes
installed.Copper products are widely used in aviation, aerospace, ships, military industry,
metallurgy, electronics, electrical, mechanical, transportation, construction and
other fields of the national economy.

Get product catalog

 

copper rod/bar

Straight copper rod/copper round bar

Standard

ASTM,DIN,BS,CDA,JIS,GB

Material

T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800,
C10910,C10920,TP1,TP2,C10930,C11000,C11300,C11400,C11500,
C11600,C12000,C12200,C12300,TU1,TU2,C12500,C14200,C14420,
C14500,C14510,C14520,C14530,C17200,C19200,C21000,C23000,
C26000,C27000,C27400,C28000,C33000,C33200,C37000,C44300,
C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70600,
C70620,C71000,C71500,C71520,C71640,C72200,etc.

Shape

Round,Square,Rectangular,etc.

Specifications

Diameter:3~200mm

Length

3m,5.8m, 6m, 11.8m, 12m, or as required.

Hardness

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc

Surface

mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required.

Price term

EXW, FOB, CFR, CIF, etc.

Payment term

T/T

Package

Export standard package: bundled wooden box, suit for all kinds of transport,
or be required.

Delivery time

According to order quantity

Export to

Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain,
Canada, USA, Egypt, Kuwait, Dubai, Oman, Kuwait, Peru, Mexico, Iraq,
Russia,Malaysia, etc.

Application

A copper rod is a type of colored metal processing bar stock with high electrical conductivity. It is mainly divided into brass
rods and copper rods. It is applied in water heating and bathroom fittings, small hardware, valves, marine pumps, atomizing device
structural components, friction accessories, etc.

Get product catalog

 

copper plate/sheet/strip

Size

Width: 10mm to 2000mm,
Thickness: 10mm to 500mm,
Length: 0.5m to 12m,
All sizes can be according to customer's requirements.

Hardness

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard.

Surface

Polished,bright,oiled,hair line,brush,mirror,or as required

Package

Plastic film with Wooden case or wooden pallet

Delivery time

Prompt delivery or upon your order quantity.

Quality Control

Mill Test Certification is supplied with shipment,Third Part Inspection is acceptable.

Application

widely used inair conditioners,refrigerators,electric,solar water heater, polished pipe an be used in decorative,such as stair
rail.
Also can be made according to your required.

Shape

Round, Square, Oval, can be customized

Get product catalog

 

copper wire

Item

Copper Wire

Standard

ASTM,DIN,BS,CDA,JIS,GB

Material

T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800,
C10910,C10920,TP1,TP2,C10930,C11000,C11300,C11400,C11500,
C11600,C12000,C12200,C12300,TU1,TU2,C12500,C14200,C14420,
C14500,C14510,C14520,C14530,C17200,C19200,C21000,C23000,
C26000,C27000,C27400,C28000,C33000,C33200,C37000,C44300,
C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70600,
C70620,C71000,C71500,C71520,C71640,C72200,etc.

Shape

Round

Specifications

As required.

Length

As required.

Hardness

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc

Surface

mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required.

Price term

EXW, FOB, CFR, CIF, etc.

Payment term

T/T

Package

Export standard package: bundled wooden box, suit for all kinds of transport,
or be required.

Delivery time

According to order quantity

Application

Copper wire, as a conductive material, is widely used in power transmission and electronic devices. Transformers, inductors,
connectors and other components are likely to use copper wire. Besides, the windings of motors and generators in industrial
equipment may also be important application scenarios of copper wire.

Get product catalog

 

Copper CNC machined parts

Custom CNC Machining Parts of Most Materials
Quotation
According to your drawing(size, material, thickness, processing content, and required technology, etc)
Materials Avaiable
Brass,Stainless Steel,Q235&Q345 steel, Zinc-plate Sheet,Stainless Steel, Aluminum,Copper, etc.
Surface Treatment
Zinc Plating, chrome plate, powder coating, anodizing, wire drawing, silk-screen printing, etc
Processing
Laser Cutting, Precision Stamping, CNC Bending, CNC Milling, CNC Turning, Threading, Riveting, Drilling, CNC Punching,Die Casting, Laser Welding, etc.
Testing Equipment
CMM/Tool microscope/multi-joint arm/Automatic height gauge/Manual height gauge/Dial gauge/Roughness measurement
Drawing Formats
PRO/E, Auto CAD, Solid Works , UG, CAD / CAM / CAE, PDF
Our Advantages
1.) 24 hours online service & Quickly Quote/Delivery.
2.) 100% QC quality inspection before delivery, and can provide quality inspection form.
3.) 18+ years of experience in the CNC machining area and have a senior design team to offer perfect modification suggestions.
Tolerance丨Surface Roughness
Generally +/-0.1-0.2mm
Sample service
Avaliable before bulk order. Samples charge according your design, The sample fee can be used as the payment for mass goods.

Get product catalog

 

4242
 
 

About Us

Founded in 2008, we specialize in exporting premium copper products. Our manufacturing leverages continuous casting lines and precision drawing machines. Rigorous quality control, including eddy current testing and spectrometer analysis, guarantees the superior performance of our copper tubes and coils for global applications.

 

If you need any help, please contact us immediately!
Email address:sales@gneemetal.com

 
35000+

Square Meters Built

 
200+

Enterprise Employees

 
8000+

Cooperating Partner

 
18+

Years Experience

Send Inquiry

whatsapp

Phone

E-mail

Inquiry