ASTM B111 C44300 Seamless Admiralty Brass Tube For Heat Exchanger - Knowledge

ASTM B111 This specification establishes requirements for seamless tube and ferrule stock of copper and various copper alloys up to 31 ⁄ 8 in. (80 mm), inclusive, in diameter, for use in surface condensers, evaporators, and heat exchangers.

C44300 copper tube has good resistance to corrosion, making it suitable for use in various environments, including seawater and marine applications.

With high thermal conductivity,copper has excellent thermal conductivity, and C44300 copper tube is no exception. This property allows for efficient heat transfer in applications such as heat exchangers and HVAC systems.

C44300 copper tube can be easily formed and shaped, making it convenient for various fabrication processes like bending, flaring, and soldering.And it has a long lifespan due to its resistance to corrosion and mechanical strength.

Low risk of biofouling -the composition of C44300 copper tube discourages the growth of marine organisms, reducing the risk of biofouling, which is particularly useful in marine and offshore applications.

Specification

Dimensions	ASTM B111 C71500 Tube

OD Diameter	Required by client

W.T.	Generally BWG25-BWG10, 0.508-3.4,required by client

Testing	Flattening Test / Expansion Test / Grain Size / Tension / Nondestructive Test, etc

Length	Required Length ( Mainly 6meter )

Chemical Composition %

Grade	Copper^A	Tin	Lead	Zinc	Arsenic	Iron
UNS C44300	70-73	0.9-1.2	0.07	remainder	0.02-0.06	0.06max

Tensile Requirements, Inch-Pound Values Of C71500

Grade	Temper Designation		Tensile Strength min ksi^A/MPa	Yield Strength^B min ksi^A/MPa
	Standard	Former
C44300	O61	Annealed	45 / 310	15 / 105
Expansion of Tube O.D., in Percent of Original O.D.: 20%
^A ksi = 1000 psi
^B At 0.5% extension under load

Applications Industry

Chemical / Petrochemical Plan

Heat Exchangers and HVAC Systems

Offshore Oil and Gas Platforms and Processing

Sea Water Equipment and System Design

Pulp and Paper Industry

Power Generation, etc

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:2mm2mm~1016mm1016mm Rectangularwall thickness:0.2mm~120mm,size:2mm4mm~1016mm1219mm
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.

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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.

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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

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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.

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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.

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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

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