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

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

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

35000+

Square Meters Built

200+

Enterprise Employees

8000+

Cooperating Partner

18+

Years Experience