CuNi2Si CW111C - EN 12167-2024

Grade	CuNi2Si
European Standard Steel Grade	CW111C
Corresponding Standard	EN 12167-2024 Copper and copper alloys - Profiles and bars for general purposes
Classification	Copper and Copper Alloys
Density	8.8 g/cm³

CuNi2Si Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Ni	Pb	Other Total	More
Minimum Value	-	0.4	-	1.6	-	-	Cu_min:Rem.
Maximum Value	0.2	0.8	0.1	2.5	0.02	0.3	Cu_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.

CuNi2Si 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≤10	CuNi2Si-R640	R640	≥640	≥590	≥3(A100), ≥5(A11.3), ≥8(A)
3≤t≤30	CuNi2Si-R600	R600	≥600	≥520	≥4(A100), ≥6(A11.3), ≥10(A)
10≤t≤40	CuNi2Si-R550	R550	≥550	≥430	≥15(A)
3≤t≤10	CuNi2Si-H180	H180				180~230
3≤t≤30	CuNi2Si-H165	H165				165~210
10≤t≤40	CuNi2Si-H150	H150				150~190
All specifications	CuNi2Si-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);

1 Approximate Comparison Table bronze

China	Japan	United States		International Organization for Standardization		European Standard		Russia
GB	JIS	ASTM	UNS	ISO	Numerical Grade	EN	Numerical Grade	GOST
QSi0.6-2	C6470 C64700	97.5Cu-2Ni-.5Si	C64700	CuNi2Si	C64700	CuNi2Si	CW111C	БрКН0.6-2

2 Approximate Comparison Table Cupper and cupper alloy

Germany		European Standard
DIN EN/DIN	W-Nr.	EN	Numerical Grade
CuNi2Si	2.0855	CuNi2Si	CW111C

CuNi2Si Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuNi2Si CW111C
2	EN 12166-1998
	CuNi2Si CW111C
3	EN 1654-1998
	CuNi2Si CW111C
4	EN 12166-2016
	CuNi2Si CW111C
5	DIN 17672-1-1983
	CuNi2Si 2.0855
6	DIN EN 12163-1998
	CuNi2Si CW111C (2.0855)
7	DIN EN 12163-2016
	CuNi2Si CW111C
8	DIN EN 12166-2016
	CuNi2Si CW111C
9	DIN EN 12166-1998
	CuNi2Si CW111C
10	DIN 17666-1983
	CuNi2Si 2.0855
11	EN 12163-2016
	CuNi2Si CW111C
12	EN 12167-2024
	CuNi2Si CW111C
13	DIN EN 12449-2019
	CuNi2Si CW111C
14	EN 12449-2023
	CuNi2Si CW111C

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