CuNi18Zn20 CW409J - DIN EN 12163-2016

Grade	CuNi18Zn20
Germany W-Nr.	CW409J
Corresponding Standard	DIN EN 12163-2016 Copper and copper alloys – Rod for general purposes
Classification	Copper and Copper Alloys
Density	8.7 g/cm³

CuNi18Zn20 Chemical Element Composition Content (%)

Component	Fe	Mn	Ni	Cu	Pb	Sn	Other Total	More
Minimum Value	-	-	17	60	-	-	-	Zn:余量
Maximum Value	0.3	0.5	19	63	0.03	0.03	0.2	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.

CuNi18Zn20 Mechanical Properties

diameter/width arcoss-flats d/t mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
2<d/t≤50	CuNi18Zn20-R400	R400	≥400	≥290	≥25(A100)， ≥30(A11.3)， ≥35(A)
2<d/t≤50	CuNi18Zn20-H095	H095				95~135
2<d/t≤40	CuNi18Zn20-R480	R480	≥480	≥250	≥7(A100)， ≥9(A11.3)， ≥11(A)
2<d/t≤40	CuNi18Zn20-H140	H140				140~175
2<d/t≤10	CuNi18Zn20-R580	R580	≥580	≥400
2<d/t≤10	CuNi18Zn20-H170	H170				170~210
2<d/t≤4	CuNi18Zn20-R660	R660	≥660	≥550
2<d/t≤4	CuNi18Zn20-H200	H200				≥200
All specifications	CuNi18Zn20-M	M	No specification	No specification	No specification	No specification

①Material condition names and character codes:
H - Hardness (Brinell 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.
②A100、A11.3、A-gauge length

New and Old Grade Replacement List

Corresponding Standard	Grade
DIN 17672-1-1983	Grade Germany W-Nr.
DIN EN 12163-1998	Grade Germany W-Nr. Old Grade
DIN EN 12163-2016	Grade Germany W-Nr.

Approximate Comparison Table Cupper and cupper alloy

Germany		European Standard
DIN EN/DIN	W-Nr.	EN	Numerical Grade
CuNi18Zn20	2.0740	CuNi18Zn20	CW409J

CuNi18Zn20 Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuNi18Zn20 CW409J
2	EN 12166-1998
	CuNi18Zn20 CW409J
3	EN 1654-1998
	CuNi18Zn20 CW409J
4	EN 12166-2016
	CuNi18Zn20 CW409J
5	DIN 17672-1-1983
	CuNi18Zn20 2.0740
6	DIN EN 12163-1998
	CuNi18Zn20 CW409J (2.0740)
7	DIN EN 12163-2016
	CuNi18Zn20 CW409J
8	DIN 17671-1-1983
	CuNi18Zn20 2.0740
9	DIN EN 12166-2016
	CuNi18Zn20 CW409J
10	DIN EN 12166-1998
	CuNi18Zn20 CW409J
11	EN 12163-2016
	CuNi18Zn20 CW409J
12	DIN 2076-1984
	CuNi18Zn20
13	EN 12167-2024
	CuNi18Zn20 CW409J
14	DIN EN 12449-2019
	CuNi18Zn20 CW409J
15	EN 12449-2023
	CuNi18Zn20 CW409J

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