ASME Sb111 C68700 Aluminum Brass Tubes, Cuzn20al2 Heat Exchanger Tube

• Customization: Available
• Type: Seamless
• Technique: Cold Drawn
• Model NO.: ASME SB111
• Material: Uns C68700 Copper Tube
• Surface Treatment: Varnishing
• Usage: Pipeline Transport, Chemical Industry
• Section Shape: Round
• Uns C68700 Copper Tube: Brass Tube
• Transport Package: Wooden Case
• Specification: ASME SB111
• Trademark: C&N
• Origin: China
• Production Capacity: 1000tons/Month

Product Description

Standards:  ASTM B 111 C68700 aluminum brass tube,ASME SB111 CuZn20Al2 HEAT EXCHANGER TUBE
Size range: OD 2.0 to 350mm, WT 0.3 to 50mm, Length 18m or as request.
Testing: 100% Eddy Current Testing, 100% hydraulic Testing.
Delivered in straight lengths or as U-bent tubes.

We also supply copper alloy complementary products for heat exchanger applications.
 Finned Tube,Tubesheet,  EEMU 146 pipe fitting, EEMU 145 pipe flange etc.

Type of product	Grade(s)	Technical requirements  * according to
Copper tube/ pipe	UNS C12200	ASTM B111, ASME SB111 ASTM B135, ASME SB135 ASTM B251, ASME SB251 BS EN 1057 or closer
Brass tube/pipe	UNS C23000, UNS C26200 ... UNS C44300, UNS C68700 ...
Cupronickel tube/pipe	UNS C70600, UNS C71500 UNS C71640

 

classification	class	Chemical Composition(%)											Related Standards
		Cu	Zn	Pb	Fe	P	Sn	Ni	Mn	Al	As	other	KS	JIS	ASTM	BS	DIN
Al-brass	1	70.0-	Rem.	0.05	0.05		0.9-				0.02-		D5301	H3300	B111	2871	1785
		73		max.	max.		1.2				0.06		C4430	C4430	C44300	Cz111	CuZn28Sn
	2	76.0-	Rem.	0.05	0.05					1.8-	0.02-	Si 0.02	C6871	C6871	C68700	Cz110	CuZn20Al
		79		max.	max.					2.5	0.06	-0.5
	3	76.0-	Rem.	0.05	0.05			0.20-	0.20-	1.8-	0.02-	Cr0.10	C6872	C6872	C68700	Cz110	CuZn20Al
		79		max.	max.			1	max.	2.5	0.06	max.
	4	76.0-	Rem.	0.05	0.05					1.8-	0.02-		C6870	C6870	C68700	Cz110	CuZn20Al
		79		max.	max.					2.5	0.06