Copper Nickel Tube Admiralty Bass Tube ASTM B111 C70600 C68700 C44300 Heat exchangers, Condensers, Cooling systems Application - Knowledge

ASME SB111 and ASTM B111 are internationally recognized standards that specify the requirements for seamless copper alloy tubes commonly used in heat exchangers, condensers, and similar applications. The C68700 alloy, also known as Aluminum Brass, is a high-performance copper-zinc alloy with excellent corrosion resistance and mechanical properties.

Copper Alloy Tube chemical Requirement:

Copper or Copper Alloy UNS No.	CopperA	Tin	Aluminum	Nickel, incl Cobalt	Lead, max	Iron	Zinc	Managnese	Arsenic	Antimony	Phosphorus	Chro mium	Other Named Elements
C10200	99.95 min	-	-	-	-	-	-	-	-	-	-	-	-
C12000	99.90 min	-	-	-	-	-	-	-	-	-	0.004-0.012	-	-
C12200	99.9 min	-	-	-	-	-	-	-	-	-	0.015-0.040	-	-
C14200	99.40 min	-	-	-	-	-	-	-	0.15-0.50	-	0.015-0.040	-	-
C19200	98.7 min	-	-	-	-	0.8-1.2	-	-	0.15-0.50	-	0.01-0.04	-	-
C23000	84.0-86.0	-	-	-	0.05	0.05 max	remalnder	-	-	-	-	-	-
C28000	59.0-63.0	-	-	-	0.30	0.07 max	remainder	-	-	-	-	-	-
C44300	70.0-73.0	0.9-1.2	-	-	0.07	0.06 max	remainder	-	0.02-0.06	-	-	-	-
C44400	70.0-73.0	0.9-1.2	-	-	0.07	0.06 max	remainder	-	-	0.02-0.10	-	-	-
C44500	70.0-73.0	0.9-1.2	-	-	0.07	0.06 max	remainder	-	-	-	0.02-0.10	-	-
C60800	remainder	-	5.0-6.5	-	0.10	0.10 max	-	-	0.02-0.35	-	-	-	-
C68700	76.0-79.0	-	1.8-2.5	-	0.07	0.06 max	remainder	-	0.02-0.10	-	-	-	-
C70400	remainder	-		4.8-6.2	0.05	1.3-1.7	1.0max	0.30-0.8	-	-	-	-	-
C70600	remainder	-		9.0-11.0	0.05B	1.0-1.8	1.0maxB	1.0max	-	-	B	-	B
C71000	remainder	-		19.0-23.0	0.05B	0.50-1.0	1.0maxB	1.0max	-	-	B	-	B
C71500	remainder	-		29.0-33.0	0.05B	0.40-1.0	1.0maxB	1.0max	-	-	B	-	B
C71640	remainder	-		29.0-32.0	0.05B	1.7-2.3	1.0maxB	1.5-2.5	-	-	B	-	B
C72200	remainder	-		15.0-18.0	0.05B	0.50-1.0	1.0maxB	1.0max	-	-	B	0.30 -0.70	B

Copper Alloy Tube diameter Tolerance :

Outside Diameter, in	Wall Thickness, in.
	0.020A 0.022 0.025 0.028	0.032	0.035	0.042	0.049 and Over
	Diameter Tolerance, Plus and Minus, in.
Up to 0.500, incl	0.003	0.0025	0.0025	0.0025	0.0025
Over 0.500-0.740, incl	0.0040	0.004	0.004	0.0035	0.003
Over 0.500-7.40, incl	0.0060	0.006	0.005	0.0045	0.004
Over 0.740-1.000, incl	...	0.009	0.008	0.006	0.045
Over 1.250-1.375, incl	...	...	...	0.008	0.005
Over 1.375-2.000, incl	...	...	...	...	0.006

Copper Alloy Seamless Tube Wall Thickness Tolerance

Wall Thicness, in.	Outside Diameter, in.
Wall Thicness, in.	Over ? to ?, incl	Over ? to 1, incl	Over 1 to 2, incl
0.020, incl to 0.032	0.003	0.003	...
0.032, incl to 0.035	0.003	0.003	0.004
0.035, incl to 0.058	0.004	0.0045	0.0045
0.058, incl to 0.083	0.0045	0.005	0.005
0.083, incl to 0.120	0.005	0.0065	0.0065
0.120, incl to 0.134	0.007	0.007	0.0075

Product Name	Hollow Brass Tube H62 C28000 C44300 c68700 Brass Pipe
Material	Brass:C21000,C22000,C22600,C23000,C24000,C26000,C26130,C26800,C27000,C27200,C27400,C2800,H59,H62,H70,H65,H80,H90,CuZn30,CuZn37,CuZn35,CuZn40,etc Leaded brass: C31400,C31600,C32000,C33000,C33200,C33500,C34000,C34200, C34500,C35000,C35300,C35600,C36000,C36500,C37000,C37700,C38000,C38500,etc Tin brass: C40500,C40800,C41100,C42200,C44400,C48200,C46400,C46200 Aluminium bronze:C60600,C62300,C62400,C63000,C63200,C64200,etc Nickel copper:C71000,C71500,C70400,C70600,C70250,C70260,C71520 C72200,C74500,C75200,C77400,etc Phosphor bronze:C50500,C51100,C52100,C51980,etc
Size	Outside Diamter 2~914mm Wall thickness 0.2-120mm Length 1~12meters
Hardness	1/16 hard,1/8 hard,1/4 hard,1/2hard,full hard
Surface	mill,polished,bright,hair line,mirror,brush,sand blast,etc
Price Term	x-Work,FOB,CNF,CFR,CIF,FCA,DDP,DDU,etc
Payment Term	TT,L/C,Western Union,D/P,etc
Used	Brass pipe have strong, corrosion resistant properties, and become a modern contractor in all ofcommodity house pipes,heating, cooling water piping installation of choice
Export to	Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA,Brazil, Thailand,Korea,Russia,Chile,India,Egypt,Oman,Kuwait,Egypt,VietNam, England,Holland,Mexico,Peru,Malaysia,Italy,Nigeria,etc
Package	Standard export package,suit for all kinds of transport,or as required.
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)

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.

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Email address：sales@gneemetal.com

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