CuZn39Mn1AlPbSi CW718R - EN 12163-1998

Grade	CuZn39Mn1AlPbSi
European Standard Steel Grade	CW718R
Corresponding Standard	EN 12163-1998
Classification	Copper and Copper Alloys
Density	8.2 g/cm³

CuZn39Mn1AlPbSi Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Ni	Cu	Pb	Al	Sn	Other Total	More
Minimum Value	-	0.2	0.8	-	57	0.2	0.3	-	-	Zn:余量
Maximum Value	0.5	0.8	1.8	0.5	59	0.8	1.3	0.5	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.

CuZn39Mn1AlPbSi Mechanical Properties

diameter/width across-flat d mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
5<d≤40	CuZn39Mn1AlPbSi-R440	R440	≥440	≈200*	≥10(A11.3)，≥12(A)
5<d≤40	CuZn39Mn1AlPbSi-H100	H100				HB: ≥100；HV: ≥105
3<d≤80	CuZn39Mn1AlPbSi-M	M	No specification	No specification	No specification	No specification

① Material condition names and designations:
H - Hardness (Brinell hardness or Vickers hardness), with the suffix number indicating the hardness value.
R - Tensile strength, with the suffix number indicating the minimum tensile strength value.
M - Manufactured without specified mechanical properties. Refer to standard EN 1173-2008.
② A100, A11.3, A - Gauge length.

Approximate Comparison Table Copper and Copper Alloy

Germany		European Standard
DIN EN/DIN	W-Nr.	EN	Numerical Grade
CuZn40Al1	2.0561	CuZn39Mn1AlPbSi	CW718R

CuZn39Mn1AlPbSi Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuZn39Mn1AlPbSi CW718R
2	DIN EN 12163-1998
	CuZn39Mn1AlPbSi CW718R (CuZn40Al1) (2.0561)

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