C44300 is a type of copper alloy that is commonly referred to as "Admiralty Brass." It is known for its excellent corrosion resistance, high thermal conductivity, and good mechanical properties. C44300 tubes, specifically, are tubes made from this alloy.
Here are some key points about C44300 tubes:
Corrosion Resistance: C44300 tubes exhibit good resistance to corrosion, making them suitable for various applications where exposure to corrosive environments is expected. They can withstand seawater, brackish water, and other corrosive fluids.
Thermal Conductivity: C44300 tubes have high thermal conductivity, making them ideal for applications that involve heat transfer. They are commonly used in heat exchangers, condensers, and other similar applications where efficient heat transfer is crucial.
Mechanical Properties: C44300 tubes offer good mechanical properties, including moderate strength and ductility. This makes them easier to form, bend, and fabricate into desired shapes and sizes.
Applications: C44300 tubes find applications in various industries, including marine, HVAC (heating, ventilation, and air conditioning), power generation, and chemical processing. Some specific applications include heat exchangers, condensers, evaporators, oil coolers, and refrigeration systems.
Weldability: C44300 tubes can be easily welded using common methods such as brazing, soldering, and gas tungsten arc welding (GTAW/TIG). This allows for convenient installation and connection within the system.
Availability: C44300 tubes are commercially available in different sizes and forms, including straight lengths, coils, and custom configurations. This provides flexibility in designing and constructing heat transfer systems.
When considering the use of C44300 tubes, it is important to consult with engineers, manufacturers, or industry professionals to determine the most suitable tube size, thickness, and design for your specific application requirements. They can provide guidance on material compatibility, installation techniques, and ensure optimal performance of the heat transfer system.
Copper Alloy Seamless Tube C44300 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 | – |
Copper Alloy Seamless Tube C44300 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 |
Copper Alloy Seamless Tube C44300 Equivalent material
| Standard | BS 2871 PART3 | ASTM B111 | DIN 1785 | NFA 51102 | JIS H3300 | IS 1545 |
| Symbol | CZ 111 | C 44300 | CuZn28Sn1 | CuZn29Sn1 | C 4430 | CuZn29Sn1As |
| Cu | 70.0-73.0 | 70.0-73.0 | 70.0-72.5 | 70.0-73.0 | 70.0-73.0 | 70.0-73.0 |
| Sn | 1.0-1.5 | 0.9-1.2 | 0.9-1.3 | 0.9-1.2 | 0.9-1.2 | 1.0-1.5 |
| Pb | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
| Ni | – | – | 0.1 | – | – | – |
| Fe | 0.06 | 0.06 | 0.07 | 0.06 | 0.06 | 0.06 |
| Zn | REM'DER | REM'DER | REM'DER | REM'DER | REM'DER | REM'DER |
| As | 0.02-0.06 | 0.02-0.06 | 0.02-0.035 | 0.02-0.06 | 0.02-0.06 | 0.02-0.06 |
| P | – | – | 0.01 | – | – | – |
Total Impurities Max. | ||||||
| 0.03 | – | 0.1 | 0.3 | – | 0.3 | |
| Condition | M | 61 | F36 | – | – | O |
| TA | – | F32 | – | O | TA | |
| O | – | – | – | – | D | |
Yield Strength N/MM2 | – | – | 140-220 | – | – | – |
| – | 105 | 100-170 | – | – | – | |
Tensile N/MM2 Minimum | – | 310 | 360 | – | – | 375 Mpa Max. |
| – | – | 320 | – | 314Min. | 340 Mpa Min. | |
| – | – | – | – | – | 385 Mpa Min. | |
Elongation Percent (%) Minimum | – | – | 45Min. | – | -. | – |
| – | – | 55Min. | – | 30 Min. | – | |
| Hardness HV5 – | 150Min | – | – | – | – | 80 Max. |
| 85-105 | – | – | 80-120 | – | 80-105 | |
| 75Max. | – | – | – | – | 130 Min. | |
Grain Size mm (75X) | 0.05Max. | 0.010-0.045 | – | 0.010-0.045 | 0.010-0.045 | 0.010-0.04 |
Advantage of copper alloy tubes:
Simple alloying system with good weldability
Excellent ductility and toughness
Outstanding erosion corrosion performance
Resistant to uniform and localised corrosion
No effect of ambient seawater temperatures
No effect of seawater chlorination
Resistant to biofouling
Resistant to stress-corrosion cracking
Low maintenance costs
A lot of design experience
Applications:
Heat Exchangers
Condensers
Evaporators
Oil Coolers
Marine Applications
HVAC Systems
Power Generation
Copper products that GNEE can provide
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, | ||
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, | ||
Delivery time | According to order quantity | ||
Export to | Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain, | ||
Application | Copper pipe is the first choice of residential housing water pipes, heating, cooling pipes | ||
Straight copper rod/copper round bar | |||
Standard | ASTM,DIN,BS,CDA,JIS,GB | ||
Material | T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, | ||
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, | ||
Delivery time | According to order quantity | ||
Export to | Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain, | ||
Application | A copper rod is a type of colored metal processing bar stock with high electrical conductivity. It is mainly divided into brass | ||
Size | Width: 10mm to 2000mm, | ||
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 | ||
Shape | Round, Square, Oval, can be customized | ||
Item | Copper Wire | ||
Standard | ASTM,DIN,BS,CDA,JIS,GB | ||
Material | T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, | ||
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, | ||
Delivery time | According to order quantity | ||
Application | Copper wire, as a conductive material, is widely used in power transmission and electronic devices. Transformers, inductors, | ||
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. | |||
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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