ASTM B111 C68700 Brass Pipe for seawater coolers and heat exchangers - Knowledge

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Products Description

C68700, also known as aluminum brass, is a copper alloy containing copper and aluminum elements. It has excellent corrosion resistance and high thermal conductivity, so it is widely used in manufacturing parts and equipment that require high corrosion resistance and heat dissipation capabilities, such as seawater coolers and heat exchangers.

Products Description

Product name	C68700 Brass Pipe CuZn20Al2
Standard	GB, ASTM, CDA, BS, DIN, JIS
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, T1,T2,T3,TU1,TU0,TU2,TP1,TP2,TAg0.1,etc Common Brass: H96, H90, H85, H80, H70, H68A, H68, H65, H63, H62, H60 etc Lead Brass: HPb63-3, HPb63-0.1, HPb60-2, HPb59-3, HPb59-2, HPb59-1, HPb58-2.5
Length	1m~12m, or as required
Wall Thickness	0.2mm~120mm
Outside Diameter	2mm~914mm
Hardness	1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard.
Shape	Round, square, rectangular,etc
Surface	Polished,bright,oiled,hair line, brush, mirror, or customized
Delivery Time	within 7 days
MOQ	1 ton
Packing	Standard export seaworthy package or as required.
Advantage	CE,ISO 9001, SGS, etc

Hollow Thin Wall Copper Tube Type K/L/M Copper Tube

National Copper Grades And Standards Comparison Table

CN	GER		EUR		INT	USA	JPN
GB	DIN		EN		ISO	UNS	JIS
TU2	OF-Cu	2.0040	Cu-OFE	CW009A	Cu-OF	C10100	CJ0ll
-	SE-Cu	2.0070	Cu-HCP	CW021A	•	Cl0300	•
-	SE-Cu	2.0070	Cu-PHC	CW020A	-	Cl0300	-
T2	E-Cu58	2.0065	Cu-ETP	CW004A	Cu-ETP	C11000	CH00
TP2	SF-Cu	2.0090	Cu-DHP	CW024A	Cu-DHP	Cl2200	Cl220
•	SF-Cu	2.0090	Cu-DHP	CW024A	Cu-DHP	Cl2200	Cl220
-	SF-Cu	2.0090	Cu-DHP	CW024A	Cu-DLP	Cl2200	Cl220
TP1	SW-Cu	2.0076	Cu-DLP	CW023A	Cu-DLP	Cl2000	C1201
H96	CuZn5	2.0220	CuZn5	CE500L	CuZn5	C21000	C2100
H90	CuZn10	2.0230	CuZnlO	CW501L	CuZnl0	C22000	C2200
H85	CuZn15	2.0240	CuZnl5	CW502L	CuZn15	C23000	C2300
H80	CuZn20	2.0250	CuZn20	CW503L	CuZn20	C24000	C2400
H70	CuZn30	2.0265	CuZn30	CW505L	CuZn30	C26000	C2600
H68	CuZn33	2.0280	CuZn33	CW506L	CuZn35	C26800	C2680
H65	CuZn36	2.0335	CuZn36	CW507L	CuZn35	C27000	C2700
H63	CuZn37	2.0321	CuZn37	CW508L	CuZn37	C27200	C2720
HPb63-3	CuZn36Pb1.5	2.0331	CuZn35Pb1	CW600N	CuZn35Pb1	C34000	C3501
HPb63-3	CuZn36Pb1.5	2.0331	CuZn35Pb2	CW60IN	CuZn34Pb2	C34200	-
H62	CuZn40	2.0360	CuZn40	CW509N	CuZn40	C28000	C3712
H60	CuZn38Pb1.5	2.0371	CuZn38Pb2	CW608N	CuZn37Pb2	C35000	-
HPb63-3	CuZn36Pb3	2.0375	CuZn36Pb3	CW603N	CuZn36Pb3	C36000	C3601
HPb59-l	CuZn39Pb2	2.0380	CuZn39Pb2	CW6I2N	CuZn38Pb2	C37700	C3771
HPb58-2.5	CuZn39Pb3	2.0401	CuZn39Pb3	CW614N	CuZn39Pb3	C38500	C3603
-	CuZn40Pb2	2.0402	CuZn40Pb2	CW6I7N	CuZn40Pb2	C38000	C3771
•	CuZn28Sn1	2.0470	CuZn28Sn1As	CW706R	CuZn28Sn1	C68800	C4430
-	CuZn31Si1	2.0490	CuZn31Si1	CW708R	CuZn31Si1	C44300	-
-	CuZn20A12	2.0460	CuZn20A12As	CW702R	CuZn20A12	C68700	C6870
QSn4-0.3	CuSn4	2.1016	CuSn4	CW450K	CuSn4	C51100	C5111
-	CuSn5	2.1018	CuSn5	CW451K	CuSn5	C51000	C5102
QSn6.5-0.l	CuSn6	2.1020	CuSn6	CW452K	CuSn6	C51900	C5191
QSn8-0.3	CuSn8	2.1030	CuSn8	CW453K	CuSn8	C52100	C5210
BZn12-24	CuNi12Zn24	2.0730	CuNil2Zn24	CW403J	CuNil2Zn24	C75700	.
BZn 12-26	CuNi18Zn27	2.0742	CuNi18Zn27	CW410J	CuNil8Zn27	C77000	C7701
BZnl8-18	CuNi18Zn20	2.0740	CuNi18Zn20	CW409J	CuNil8Zn20	C76400	C7521
-	CuNi10Fe1Mn	2.0872	CuNi10Fe1Mn	CW352H	CuNilOFeIMn	C70600	C7060
•	CuNi30Mn1Fe	2.8820	CuNi30Mn1Fc	CW354H	CuNBOMnlFe	C71500	C7150

Products provided by GNEE

Product Category	Standard & Material	Available Forms	Thickness / Diameter Range	Width / OD Range	Length / Form	Temper / State	Surface Finish
Copper Sheet & Plate	ASTM B152, B187 Pure Copper (C11000) Phosphor Bronze, Brass	• Coil • Sheet • Plate	Sheet: 0.3 mm - 10.0 mm Plate: 10.0 mm - 100 mm	100 mm - 2500 mm	Coil: Custom Sheet/Plate: 1000mm - 6000mm or Custom	• O (Soft Annealed) • H02 (Half-Hard) • H04 (Hard) • H08 (Full-Hard)	• Mill (Bare) • Clad • Brushed • Coated
Copper Rod & Bar	ASTM B133, B187 Pure Copper, Tellurium Copper Brass, Bronze	• Round Rod • Square Bar • Hexagonal Bar • Flat Bar	Rod Dia.: 2.0 mm - 300 mm Flat Bar Thk.: 3 mm - 50 mm	Flat Bar Width: 10 mm - 400 mm	Straight: 1000mm - 6000mm Coil (for small dia.)	• Annealed (Soft) • Half-Hard • Hard • As Drawn	• Drawn (Smooth) • Turned (Peeled) • Ground (Polished)
Copper Wire	ASTM B1, B3 Bare Copper, Tinned Copper	• Bare Wire • Tinned Wire • Stranded Wire • Braided Wire	Solid Wire: 0.05 mm - 10.0 mm Stranded: Custom (e.g., 7/0.2mm)	-	Coil, Spool, Reel Weight: Custom (e.g., 5kg, 25kg)	• Soft (Annealed) • Hard Drawn • Medium-Hard	• Bright Bare • Electrotinned • Oxidized-Resistant
Copper Tube & Pipe	ASTM B75, B88 Seamless, Welded DHP Copper (C12200)	• Straight Tube • Coiled Tube • Capillary Tube • Square Tube	OD: 3 mm - 300 mm Wall Thk.: 0.5 mm - 10.0 mm	-	Straight: 1000mm - 8000mm Coil: Custom Length	• Annealed (Soft, Bendable) • Hard Drawn (Straight)	• Bare (Clean) • Polished • Plastic Capped
Copper Foil	ASTM B370 Rolled Annealed (RA) Electrodeposited (ED)	• Roll / Coil • Strip	Thickness: 0.01 mm - 0.50 mm (10 µm - 500 µm)	10 mm - 1300 mm	Coil: Custom Length	• As Rolled (Hard) • Annealed (Soft, Ductile) • Laminated	• Standard (One Side Bright) • Double Side Bright • Treated (for PCB)

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