CuNi2Si CW111C - DIN EN 12449-2019

Grade	CuNi2Si
Germany W-Nr.	CW111C
Corresponding Standard	DIN EN 12449-2019 Copper and copper alloys - Seamless, round tubes 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：Rem.
Maximum Value	0.2	0.8	0.1	2.5	0.02	0.3	Cu：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

Wall thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Hardness HBW
t≤10	R260 (Solution heat treated)	≥260	≥60	≥30
t≤10	H065 (Solution heat treated)				60~90
t≤10	R460 (Solution heat treated and precipitation hardened)	≥460	≥300	≥12
t≤10	H150 (Solution heat treated and precipitation hardened)				140~180
t≤10	R380 (Solution heat treated and cold formed)	≥380	≥260	≥6
t≤10	H130 (Solution heat treated and cold formed)				120~160
t≤10	R600 (Solution heat treated, cold formed and precipitation hardened)	≥600	≥480	≥8
t≤10	H190 (Solution heat treated, cold formed and precipitation hardened)				≥180

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

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