Sep 17, 2025 Leave a message

ASME SB111 C44300 Copper Alloy Seamless Tube for Boiler/Heat Exchanger Application

ASTM B111 ASME SB 111 C44300 Admiralty Brass is ideal for heat exchanger tubes. Normally made to order to meet engineering requirements, you will find this alloy often times used in oil and gas applications that also require its non corrosive properties. C44300 and C68700 have good corrosion resistance. C44300 Admiralty Brass Seamless Tubes Tensile strength minimum in 310Mpa, Yield Strength minimum in 105Mpa.

 

ASTM B111 C44300 tubes, also known as Admiralty Brass tubes, possess several key characteristics. Here are some notable features:

 

1. Corrosion Resistance: C44300 tubes exhibit good resistance to corrosion, making them suitable for applications in marine environments and other corrosive conditions.

 

2. Thermal Conductivity: These tubes have high thermal conductivity, allowing for efficient heat transfer. This property makes them suitable for heat exchangers and other applications involving thermal management.

 

3. Fabrication Properties: C44300 tubes have excellent fabrication properties, including good formability and weldability. This allows for ease of manufacturing and customization according to specific requirements.

 

4. Mechanical Strength: Admiralty Brass tubes offer moderate mechanical strength, providing structural integrity while maintaining flexibility.

 

5. Pressure Resistance: These tubes can withstand high-pressure conditions, making them suitable for applications that involve fluid or gas transportation.

 

ASTM B111 / ASME SB 111 C44300 Admiralty Brass Chemical Composition

Elements Composition, %
Cu, incl. Ag 70.0-73.0
Sn 0.9-1.2
Al
Ni, incl. Co  
Pb 0.06 max
Fe 0.07 max
Zn Balance
Mn
As 0.02-0.06
Sb
P
Cr
Other named elements

 

ASTM B111 / ASME SB 111 C44300 Admiralty Brass Mechanical Properties

Properties Measurement
Yield strength 105 MPa
Melting point 899 ~ 938 °C
Tensile strength 310 MPa
Thermal conductivity 109 W/m-K @ 20.0 °C
Density 8.53 g/cc
Heat capacity 0.09 cal/g-°C @ 20ºC
CTE linear strength 20.2 10-6/°C @ 20.0 – 300 °C

 

ASTM B111 / ASME SB 111 C44300 Admiralty Brass Physical Properties

Copper or Copper Alloy UNS No. Melting Point Density Coefficients of Linear Thermal Expansion Specific Heat Capacity Thermal Conductivity
°C °F lb/in3 g/cm3 1×10-6/°C @ 20.0 – 30.0 °C 1×10-6/°F @ 70.0 – 570 °F cal/g-°C, 20 °C BTU/lb-°F @ 70°F W/m-K, 20 °C BTU/ft2/ft/h/°F @ 70°F
C44300 2140 – 2260 2010-2100 0.308 8.53 16.2 9 0.09 0.09 29 17
straight copper brass tube
Straight Copper Round Pipe
Polished Seamless Copper Tubes
Large Diameter Copper Pipe

Application:

Evaporator Tubing

Heat Exchanger Tubing

Condenser Tube Plates

Distiller Tubes

Oil Well Pump Liner

Ferrules

Bourdon Tubes

Condenser Tubes

 

B111 C44300 material has the following benefits:

Durability – The structure and chemical composition of an SB111 C44300 makes it durable. Its products can last up to 10 years, depending on where you are using it and the frequency of use.

Cost-effective – The overall value of installing, functioning and maintaining products of this material is relatively low. You, therefore, get quality by selecting this material to manufacture your products.

Versatile usage – You can manufacture different products using this material. For instance, you can make pipes and tubes for a variety of usage.

 

Copper products that GNEE can provide

copper pipe

Product Name Copper Pipe
Standard ASTM,JIS,DIN,GB,AISI,DIN,EN
Material T1, T2, T3, C21000, C22000, C22600, C23000, C24000, C26000, C26130, C26800, C27000, C27200, C46500, C51000, C52100, C53400, C61300, C61400, C63000, C63800, C65100, C65500, H63, H65, H68, H70, H80, H85, H90, H96.
Purity 99.9%
Technique Cold drawn, hot rolled, cold rolled and others.
Side shape Round, Square, Rectangular, ect
Outer Diameter 6.35-406mm or Customizable
Thickness 0.5-80mm or Customizable
Length 1-12m or Customizable
Surface Treatment Coating, Oxidation, Coating, Polishing, etc.
Type Seamless, Welded
Origin China
Delivery Time 7-15 days, depending on the situation and quantity
Price Terms EXW, FOB, CIF, CRF, CNF or others
Loading Port Any port in China
Payment Term TT, LC,Cash, Paypal, DP, DA,Western Union or Others.
Application 1. Construction industry2. Mechanical production, energy extraction3. Home appliance industry, refrigeration industry, transportation industry, home decoration and bathroom4. Communication technology, infrastructure, municipal pipeline network, etc.
Packaging Bundle, PVC Bag, Nylon Belt, Cable Tie, Standard export seaworthy package or as Reque
Processing Servic Bending, Welding, Decoiling, Punching, Cutting and Others
Tolerance ±1%

Get product catalog

 

copper rod/bar

Standard

ASTMB152,B187,B133,B301,B196,B441,B465,JISH3250-2006,
GB/T4423-2007,etc

Material

C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920,
C10930,C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300,
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,C70620,
C71000,C71500,C71520,C71640,C72200,etc

Diameter

3mm~800mm

Length

1.0m 5.8m,6m,or as required

Export to

Singapore,India,Poland,Indonesia,Ukraine,Spain,Korea,Thailand,Canada,USA,
Ireland,Saudi Arabia,Viet Nam,England,Egypt,Oman,etc

Container Size

20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)

Price Term

Ex-work, FOB, CFR, CIF, etc.

Application

Copper bar is widely used in boat building,War industry, Car industry and communication
industry where the components need good wear proof and great corrosion resistance

Package

Standard export seaworthy package,suit for all kinds of transport,or as required.

Contact

If you have any question,please feel free to contact me.

Get product catalog

 

copper plate/sheet/strip

Product name

Copper Strip / Copper tape / Copper sheets coil

Shape

strip,tape,band,coil,roll

Standard

ASTM, ISO, JIS, DIN, GB, EN

Grade

ASTM:C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920,
C10930,C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300,
C12500,C14200,C14420,C14500,C14510,C14520,C14530,C15100 c15500 C17200,C19200,C21000,C23000,C26000,C27000,C27400,C28000,C33000,
C33200,C37000,C44300,C44400,C44500,C51910 C60800,C63020,C65500,
C68700,C70400,C70620,C71000,C71500,C71520,C71640,C72200,etc

MOQ

300KG

Temper

1/4 hard,1/2hard,full hard,soft,etc

Surface

Mill finish, polished, anodizing, brushing, sand blasting, powder coating,etc

Payment terms

T/T,L/C,western union, Paypal

Price terms

CIF,CFR,FOB,CIF,EXW,CNF

Width

0.1-1500mm or customized

Thickness

0.1-50mm or customized

Package

Standard export seaworthy package or as required.

Delivery time

About 7~10 working days after deposit received

Application

1)Further making utensil.
2)Solar reflective film
3)The appearance of the building
4)Interior decorating:ceilings,walls,etc.
5)Furniture cabinets
6)Elevator decoraction
7)Signs,nameplate,bags making.
8)Decorated inside and outside the car
9)Household appliances:refrigerators,microwave ovens,audio equipment,etc.
10)The consumer electronics:mobile phones,digital cameras,MP3,U disk,etc.

Get product catalog

 

copper wire

Product Name

Copper Wire

Type

Insulated

Payment term

TT/Trade Insurance/Credit card

Delivery time

7-30days( Depend on the quantity)

Shipping terms

FOB CIF DDP EXW

Thermal Class

130/155/180/200/220 C

Diameter

0.04mm-6.0mm

Enameled Type

Polyester/Polyurethane/Polyesterimide/Polyamide-imide

Application

Motor Transformer Fan Speaker

Conductor content

99%

Get product catalog

 

Copper CNC machined parts

Product Name

Copper Wire

Type

Insulated

Payment term

TT/Trade Insurance/Credit card

Delivery time

7-30days( Depend on the quantity)

Shipping terms

FOB CIF DDP EXW

Thermal Class

130/155/180/200/220 C

Diameter

0.04mm-6.0mm

Enameled Type

Polyester/Polyurethane/Polyesterimide/Polyamide-imide

Application

Motor Transformer Fan Speaker

Conductor content

99%

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

 
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