CuNi2Si CW111C 2.0855 - DIN EN 12163-1998

Grade	CuNi2Si
Germany W-Nr.	CW111C
Old Grade
Corresponding Standard	DIN EN 12163-1998 Copper and copper alloys – Rod 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:余量
Maximum Value	0.2	0.8	0.1	2.5	0.02	0.3	Cu: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.

CuNi2Si Mechanical Properties

diameter 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≤80	CuNi2Si-R260	Solution heat treatment; R260	≥260	≈90*	≥25(A100)， ≥30(A11.3)， ≥35(A)
2<d≤80	CuNi2Si-H060	Solution heat treatment; H060				HB: 60~90； HV: 65~95
2<d≤30	CuNi2Si-R410	Solid Solution Treatment + Cold Work; R410	≥410	≈370*	≥5(A100)， ≥6(A11.3)， ≥8(A)
2<d≤30	CuNi2Si-H115	Solution heat treatment + cold working; H115				HB: 115~165； HV: 120~170
30<d≤50	CuNi2Si-R380	Solution heat treatment + cold working; R380	≥380	≈330*	≥10(A)
30<d≤50	CuNi2Si-H100	Solution heat treatment + cold working; H100				HB: 100~150； HV: 105~155
50<d≤80	CuNi2Si-R320	Solution heat treatment + cold working; R320	≥320	≈230*	≥15(A)
50<d≤80	CuNi2Si-H090	Solution heat treatment + cold working; H090				HB: 90~140； HV: 95~145
2<d≤80	CuNi2Sii-R490	Solution heat treatment + precipitation hardening; R490	≥490	≈370*	≥10(A100)， ≥12(A11.3)， ≥15(A)
2<d≤80	CuNi2Si-H150	Solution heat treatment + precipitation hardening; H150				HB: 150~200； HV: 155~205
2<d≤30	CuNi2Si-R640	Solution heat treatment + cold working + precipitation hardening; R640	≥640	≈620*	≥6(A100)， ≥8(A11.3)， ≥10(A)
2<d≤30	CuNi2Si-H180	Solid Solution Treatment + Cold Work + Precipitation Hardening; H180				HB: ≥180； HV: ≥190
30<d≤50	CuNi2Si-R600	Solution heat treatment + cold working + precipitation hardening; R600	≥600	≈510*	≥10(A)
30<d≤50	CuNi2Si-H165	Solution heat treatment + cold working + precipitation hardening; H165				HB: ≥165； HV: ≥175
50<d≤80	CuNi2Si-R550	Solution heat treatment + cold working + precipitation hardening; R550	≥550	≈430*	≥10(A)
50<d≤80	CuNi2Si-H155	Solution heat treatment + cold working + precipitation hardening; H155				HB: ≥155； HV: ≥165
2<d≤80	CuNi2Si-M	M	No specification	No specification	No specification	No specification

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
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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