CuZn20AI2As CW702R - NF EN 12451-1999

Grade	CuZn20AI2As
Other Names
Corresponding Standard	NF EN 12451-1999 Copper and copper alloys — Seamless, round tubes for heat exchangers
Classification	Copper and Copper Alloys
Density	8.4 g/cm³

CuZn20AI2As Chemical Element Composition Content (%)

Component	Fe	Mn	P	Ni	Cu	As	Pb	Al	Other Total	More
Minimum Value	-	-	-	-	76	0.02	-	1.8	-	Zn:余量
Maximum Value	0.07	0.1	0.01	0.1	79	0.06	0.05	2.3	0.3	Zn:余量

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

CuZn20AI2As Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Pipes:	R340 ①	≥340	≥120	≥55	-
Pipes:	H070 ①	-	-	-	HV：70~100
Pipes:	R390 ①	≥390	≥150	≥45	-
Pipes:	H085 ①	-	-	-	HV：85~110

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!