B111 C44300 Seamless Copper Alloy Tube Attributes
Material Composition: C44300 is primarily composed of copper (Cu) with additions of tin (Sn) and small amounts of phosphorus (P) and other elements.
Standard: Conforms to ASTM B111 specifications for seamless copper tubing.
Form: Available in various dimensions and wall thicknesses.
B111 C44300 Seamless Copper Alloy Tube Features
Corrosion Resistance: Excellent resistance to atmospheric corrosion and seawater.
Thermal Conductivity: High thermal conductivity, making it ideal for heat exchangers.
Fabricability: Easily fabricated through processes such as bending and welding.
Seamless Construction: Provides uniform strength and reduces the risk of leaks.
B111 C44300 Seamless Copper Alloy Tube Principles
Alloying Elements: The addition of tin improves corrosion resistance and mechanical properties.
Manufacturing Process: Produced by extrusion and subsequent cold working, ensuring a seamless structure.
Heat Treatment: May be subject to heat treatment to enhance specific mechanical properties.
B111 C44300 Seamless Copper Alloy Tube Applications
Marine Applications: Used in shipbuilding and offshore structures due to its corrosion resistance.
Heat Exchangers: Ideal for applications requiring efficient heat transfer.
Plumbing: Utilized in water supply systems for its reliability and longevity.
Chemical Processing: Employed in various chemical plants due to resistance to aggressive environments.




B111 C44300 Seamless Copper Alloy Tube Advantages
Durability: Long lifespan due to corrosion resistance and mechanical strength.
Cost-Effective: Reduces maintenance costs associated with repairs and replacements.
Versatility: Suitable for a wide range of industrial applications.
Sustainability: Copper is recyclable, contributing to sustainable practices.
B111 C44300 Seamless Copper Alloy Tube Services
Custom Fabrication: Tailored solutions for specific project requirements.
Technical Support: Assistance with material selection, design, and application.
Quality Assurance: Rigorous testing and certification to meet industry standards.
Delivery Services: Timely delivery options to meet project timelines.
B111 C44300 Seamless Copper Alloy Tube FAQs
Q1: What is the main benefit of using C44300 over other copper alloys?
A: C44300 offers superior corrosion resistance and is better suited for marine applications compared to many other copper alloys.
Q2: Is C44300 suitable for high-temperature applications?
A: While it has good thermal properties, C44300 is primarily designed for applications below 200°C (392°F).
Q3: Can C44300 be welded?
A: Yes, C44300 can be welded, but specific welding techniques should be used to maintain its properties.
Q4: How should C44300 tubes be maintained?
A: Regular inspection and cleaning can help maintain the integrity of C44300 tubes, especially in corrosive environments.
Q5: Are C44300 tubes available in different sizes?
A: Yes, they are available in various sizes and thicknesses to meet different application needs.
Copper products that GNEE can provide
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High quality 99.9% pure copper pipe / straight copper tube / copper alloy pipe |
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Standard |
ASTM,DIN,BS,CDA,JIS,GB |
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Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
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Shape |
Round,Square,Rectangular,etc. |
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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 |
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Length |
3m,5.8m, 6m, 11.8m, 12m, or as required. |
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Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc |
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Surface |
mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required. |
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Price term |
EXW, FOB, CFR, CIF, etc. |
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Payment term |
T/T |
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Package |
Export standard package: bundled wooden box, suit for all kinds of transport, |
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Delivery time |
According to order quantity |
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Export to |
Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain, |
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Application |
Copper pipe is the first choice of residential housing water pipes, heating, cooling pipes |
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Straight copper rod/copper round bar |
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Standard |
ASTM,DIN,BS,CDA,JIS,GB |
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Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
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Shape |
Round,Square,Rectangular,etc. |
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Specifications |
Diameter:3~200mm |
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Length |
3m,5.8m, 6m, 11.8m, 12m, or as required. |
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Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc |
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Surface |
mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required. |
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Price term |
EXW, FOB, CFR, CIF, etc. |
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Payment term |
T/T |
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Package |
Export standard package: bundled wooden box, suit for all kinds of transport, |
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Delivery time |
According to order quantity |
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Export to |
Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain, |
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Application |
A copper rod is a type of colored metal processing bar stock with high electrical conductivity. It is mainly divided into brass |
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Size |
Width: 10mm to 2000mm, |
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Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard. |
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Surface |
Polished,bright,oiled,hair line,brush,mirror,or as required |
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Package |
Plastic film with Wooden case or wooden pallet |
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Delivery time |
Prompt delivery or upon your order quantity. |
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Quality Control |
Mill Test Certification is supplied with shipment,Third Part Inspection is acceptable. |
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Application |
widely used inair conditioners,refrigerators,electric,solar water heater, polished pipe an be used in decorative,such as stair |
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Shape |
Round, Square, Oval, can be customized |
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Item |
Copper Wire |
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Standard |
ASTM,DIN,BS,CDA,JIS,GB |
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Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
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Shape |
Round |
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Specifications |
As required. |
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Length |
As required. |
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Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc |
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Surface |
mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required. |
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Price term |
EXW, FOB, CFR, CIF, etc. |
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Payment term |
T/T |
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Package |
Export standard package: bundled wooden box, suit for all kinds of transport, |
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Delivery time |
According to order quantity |
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Application |
Copper wire, as a conductive material, is widely used in power transmission and electronic devices. Transformers, inductors, |
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Copper CNC machined parts
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Custom CNC Machining Parts of Most Materials
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Quotation
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According to your drawing(size, material, thickness, processing content, and required technology, etc)
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Materials Avaiable
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Brass,Stainless Steel,Q235&Q345 steel, Zinc-plate Sheet,Stainless Steel, Aluminum,Copper, etc.
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Surface Treatment
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Zinc Plating, chrome plate, powder coating, anodizing, wire drawing, silk-screen printing, etc
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Processing
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Laser Cutting, Precision Stamping, CNC Bending, CNC Milling, CNC Turning, Threading, Riveting, Drilling, CNC Punching,Die Casting, Laser Welding, etc.
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Testing Equipment
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CMM/Tool microscope/multi-joint arm/Automatic height gauge/Manual height gauge/Dial gauge/Roughness measurement
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Drawing Formats
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PRO/E, Auto CAD, Solid Works , UG, CAD / CAM / CAE, PDF
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Our Advantages
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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. |
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Tolerance丨Surface Roughness
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Generally +/-0.1-0.2mm
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Sample service
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Avaliable before bulk order. Samples charge according your design, The sample fee can be used as the payment for mass goods.
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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
Square Meters Built
Enterprise Employees
Cooperating Partner
Years Experience




