CuNi12Zn24 CW403J - EN 12163-1998

Grade	CuNi12Zn24
European Standard Steel Grade	CW403J
Corresponding Standard	EN 12163-1998
Classification	Copper and Copper Alloys
Density	8.7 g/cm³

CuNi12Zn24 Chemical Element Composition Content (%)

Component	Fe	Mn	Ni	Cu	Pb	Sn	Other Total	More
Minimum Value	-	-	11	63	-	-	-	Zn:余量
Maximum Value	0.3	0.5	13	66	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.

CuNi12Zn24 Mechanical Properties

diameter/width across-flats d 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≤50	CuNi12Zn24-R380	R380	≥380	≈270*	≥28(A100)，≥33(A11.3)，≥38(A)
2<d≤50	CuNi12Zn24-H090	H090				HB: 90~130； HV: 95~135
2<d≤40	CuNi12Zn24-R450	R450	≥450	≈300*	≥8(A100)， ≥10(A11.3)， ≥12(A)
2<d≤40	CuNi12Zn24-H130	H130				HB: 130~160； HV: 135~165
2<d≤10	CuNi12Zn24-R540	R540	≥540	≈450*	≥2(A100)， ≥3(A11.3)， ≥5(A)
2<d≤10	CuNi12Zn24-H160	H160				HB: 160~190； HV: 170~200
2<d≤4	CuNi12Zn24-R640	R640	≥640	≈550*
2<d≤4	CuNi12Zn24-H190	H190				HB: ≥190； HV: ≥200
2<d≤50	CuNi12Zn24-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 Cupper and cupper alloy

Germany		European Standard
DIN EN/DIN	W-Nr.	EN	Numerical Grade
CuNi12Zn24	2.0730	CuNi12Zn24	CW403J

CuNi12Zn24 Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuNi12Zn24 CW403J
2	EN 12166-1998
	CuNi12Zn24 CW403J
3	EN 1654-1998
	CuNi12Zn24 CW403J
4	EN 12166-2016
	CuNi12Zn24 CW403J
5	DIN 17672-1-1983
	CuNi12Zn24 2.0730
6	DIN EN 12163-1998
	CuNi12Zn24 CW403J (2.0730)
7	DIN EN 12163-2016
	CuNi12Zn24 CW403J
8	DIN 17671-1-1983
	CuNi12Zn24 2.0730
9	DIN EN 12166-2016
	CuNi12Zn24 CW403J
10	DIN EN 12166-1998
	CuNi12Zn24 CW403J
11	EN 12163-2016
	CuNi12Zn24 CW403J
12	EN 12167-2024
	CuNi12Zn24 CW403J
13	DIN EN 12449-2019
	CuNi12Zn24 CW403J
14	EN 12449-2023
	CuNi12Zn24 CW403J

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