CuNi12Zn24 CW403J - EN 12167-2024

Grade	CuNi12Zn24
European Standard Steel Grade	CW403J
Corresponding Standard	EN 12167-2024 Copper and copper alloys - Profiles and bars for general purposes
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_min:Rem.
Maximum Value	0.3	0.5	13	66	0.03	0.03	0.2	Zn_min: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.

CuNi12Zn24 Mechanical Properties

thickness t mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Hardness HBW
3≤t≤6	CuNi12Zn24-R540	R540	≥540	≥400	≥2(A11.3)
6≤t≤40	CuNi12Zn24-R450	R450	≥450	≥200	≥10(A11.3), ≥12(A)
3≤t≤6	CuNi12Zn24-H160	H160				160~190
6≤t≤40	CuNi12Zn24-H125	H125				125~150
All specifications	CuNi12Zn24-M	M	As manufactured	As manufactured	As manufactured	As manufactured

Test pieces shall be in accordance with EN ISO 6892-1:2019, except that 200 mm gauge length is not permitted.
Elongation requirements for rod of thickness or diameter equivalent to the cross sectional area:
ⓐ less than 4 mm (A100 mm);
ⓑ 4 mm up to and including 8 mm (A 11,3);
ⓒ greater than 8 mm (A);

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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