CuZn20Al2As CW702R - DIN EN 12449-2019

Grade	CuZn20Al2As
Germany W-Nr.	CW702R
Corresponding Standard	DIN EN 12449-2019 Copper and copper alloys - Seamless, round tubes for general purposes
Classification	Copper and Copper Alloys
Density	8.4 g/cm³

CuZn20Al2As Chemical Element Composition Content (%)

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

"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.

CuZn20Al2As Mechanical Properties

Wall thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Hardness HBW
t≤10	R340 (Annealed condition )	≥340	≥120	≥45
t≤10	H070 (Annealed condition )				65~95
t≤5	R390 (Annealed condition )	≥390	≥150	≥40
t≤5	H085 (Annealed condition )				≥80

CuZn20Al2As Corresponding Standards(Same grade name, different standards)

1	EN 12452-1999
	CuZn20Al2As CW702R
2	EN 12451-1999
	CuZn20Al2As CW702R
3	DIN EN 12449-2019
	CuZn20Al2As CW702R
4	EN 12449-2023
	CuZn20Al2As CW702R

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