CuNi1Si CW109C CuNi1.5Si 2.0853 - DIN EN 12163-1998

Grade	CuNi1Si
Germany W-Nr.	CW109C
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

CuNi1Si Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Ni	Pb	Other Total	More
Minimum Value	-	0.4	-	1	-	-	Cu:余量
Maximum Value	0.2	0.7	0.1	1.6	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.

CuNi1Si Mechanical Properties

diameter/width across-flats d mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b ksi	Yield Point σ_s ksi	Elongation or Extension Rate δ %	Hardness HBW
2<d≤80	CuNi1Si-R240	Solution heat treatment; R240	≥240	≈90*	≥25(A100)， ≥30(A11.3)， ≥35(A)
2<d≤80	CuNi1Si-H050	Solution heat treatment; H050				HB: 50~75； HV: 55~80
2<d≤30	CuNi1Si-R410	Solid Solution Treatment + Cold Work; R410	≥410	≈320*	≥5(A100)， ≥7(A11.3)， ≥9(A)
2<d≤30	CuNi1Si-H105	Solution heat treatment + cold working; H105				HB: 105~150； HV: 110~155
30<d≤50	CuNi1Si-R350	Solution heat treatment + cold working; R350	≥350	≈280*	≥12(A)
30<d≤50	CuNi1Si-H095	Solution heat treatment + cold working; H095				HB: 95~140； HV: 100~145
50<d≤80	CuNi1Si-R300	Solution heat treatment + cold working; R300	≥300	≈210*	≥16(A)
50<d≤80	CuNi1Si-H085	Solution heat treatment + cold working; H085				HB: 85~130； HV: 90~135
2<d≤80	CuNi1Si-R440	Solution heat treatment + precipitation hardening; R440	≥440	≈320*	≥12(A100)， ≥15(A11.3)， ≥17(A)
2<d≤80	CuNi1Si-H120	Solution heat treatment + precipitation hardening; H120				HB: 120~170； HV: 125~175
2<d≤30	CuNi1Si-R590	Solution heat treatment + cold working + precipitation hardening; R590	≥590	≈570*	≥8(A100)， ≥10(A11.3)， ≥12(A)
2<d≤30	CuNi1Si-H160	Solution heat treatment + cold working + precipitation hardening; H160				HB: ≥160； HV: ≥170
30<d≤50	CuNi1Si-R540	Solution heat treatment + cold working + precipitation hardening; R540	≥540	≈450*	≥10(A)
30<d≤50	CuNi1Si-H140	Solution heat treatment + cold working + precipitation hardening; H140				HB: ≥140； HV: ≥145
50<d≤80	CuNi1Si-R500	Solution heat treatment + cold working + precipitation hardening; R500	≥500	≈420*	≥10(A)
50<d≤80	CuNi1Si-H125	Solution heat treatment + cold working + precipitation hardening; H125				HB: ≥125； HV: ≥130
2<d≤80	CuNi1Si-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 Old Grade
DIN EN 12163-2016	Grade Germany W-Nr.

Approximate Comparison Table cupronickel

China	Japan	United States		International Organization for Standardization		Germany		France	European Standard		Russia
ISC	JIS	ASTM	UNS	ISO	Numerical Grade	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST
C19010	C1901 C19010	98Cu-1.5Ni-.5Si	C19010	CuNi1Si	C19010	CuNi1Si (CuNi1.51Si)	CW109C (2.0853)	CuNi1Si CW109C	CuNi1Si	CW109C	МНК1.5-0.5

CuNi1Si Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuNi1Si CW109C
2	EN 12166-1998
	CuNi1Si CW109C
3	EN 12166-2016
	CuNi1Si CW109C
4	DIN EN 12163-1998
	CuNi1Si CW109C (CuNi1.5Si) (2.0853)
5	DIN EN 12163-2016
	CuNi1Si CW109C
6	DIN EN 12166-2016
	CuNi1Si CW109C
7	DIN EN 12166-1998
	CuNi1Si CW109C
8	EN 12163-2016
	CuNi1Si CW109C
9	EN 12167-2024
	CuNi1Si CW109C

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