CuNi2Be CW110C 2.0850 - DIN EN 12163-1998

Grade	CuNi2Be
Germany W-Nr.	CW110C
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

CuNi2Be Chemical Element Composition Content (%)

Component	Fe	Be	Ni	Co	Other Total	More
Minimum Value	-	0.2	1.4	-	-	Cu:余量
Maximum Value	0.2	0.6	2.4	0.3	0.5	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.

CuNi2Be Mechanical Properties

diameter/width across-flats 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	CuNi2Be-R250	Solution Heat Treatment; R250	≥250	≈140*	≥20(A100)， ≥22(A11.3)， ≥25(A)
2<d≤80	CuNi2Be-H065	Solution Heat Treatment; H065				HB: 65~95； HV: 70~100
2<d≤25	CuNi2Be-R500	Solution Heat Treatment + Cold Work; R500	≥500	≈430*	≥5(A100)， ≥6(A11.3)， ≥8(A)
2<d≤25	CuNi2Be-H135	Solution Heat Treatment + Cold Work; H135				HB: 135~175； HV: 140~180
25<d≤40	CuNi2Be-R450	Solution Heat Treatment + Cold Work; R450	≥450	≈380*	≥10(A)
25<d≤40	CuNi2Be-H125	Solution Heat Treatment + Cold Work; H125				HB: 125~175； HV: 130~180
40<d≤80	CuNi2Be-R400	Solution Heat Treatment + Cold Work; R400	≥400	≈330*	≥10(A)
40<d≤80	CuNi2Be-H110	Solution Heat Treatment + Cold Work; H110				HB: 110~160； HV: 115~165
2<d≤80	CuNi2Be-R650	Solution Heat Treatment + Precipitation Hardening; R650	≥650	≈500*	≥8(A100)， ≥10(A11.3)， ≥12(A)
2<d≤80	CuNi2Be-H190	Solution Heat Treatment + Precipitation Hardening; H190				HB: ≥190； HV: ≥200
2<d≤25	CuNi2Be-R800	Solution Heat Treatment + Cold Work + Precipitation Hardening; R800	≥800	≈730*	≥3(A100)， ≥4(A11.3)， ≥5(A)
2<d≤25	CuNi2Be-H220	Solution Heat Treatment + Cold Work + Precipitation Hardening; H220				HB: ≥220； HV: ≥230
25<d≤40	CuNi2Be-R750	Solution Heat Treatment + Cold Work + Precipitation Hardening; R750	≥750	≈680*	≥5(A)
25<d≤40	CuNi2Be-H210	Solution Heat Treatment + Cold Work + Precipitation Hardening; H210				HB: ≥210； HV: ≥220
40<d≤80	CuNi2Be-R700	Solution Heat Treatment + Cold Work + Precipitation Hardening; R700	≥700	≈630*	≥5(A)
40<d≤80	CuNi2Be-H200	Solution Heat Treatment + Cold Work + Precipitation Hardening; H200				HB: ≥200； HV: ≥210
2<d≤80	CuNi2Be-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.

1 Approximate Comparison Table Processing of High Copper Alloys

China		Japan	United States		International Organization for Standardization		Germany		European Standard		Russia
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	DIN EN/DIN	W-Nr.	EN	Numerical Grade	GOST
TBe0.4-1.8 QBe0.4-1.8	C17510	C1751 C17510	97.8Cu-.4Be-1.8Ni	C17510	CuNi2Be0.4	C17510	CuNi2Be	C17510 2.0850	CuNi2Be	CW110C	БрБН0.4-1.8

2 Approximate Comparison Table Copper and Copper Alloy

Germany		European Standard
DIN EN/DIN	W-Nr.	EN	Numerical Grade
CuNi2Be	2.0850	CuNi2Be	CW110C

CuNi2Be Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuNi2Be CW110C
2	EN 12166-1998
	CuNi2Be CW110C
3	EN 1654-1998
	CuNi2Be CW110C
4	DIN 17672-1-1983
	CuNi2Be 2.0850
5	DIN EN 12163-1998
	CuNi2Be CW110C (2.0850)
6	DIN EN 12163-2016
	CuNi2Be CW110C
7	DIN EN 12166-1998
	CuNi2Be CW110C
8	DIN 17666-1983
	CuNi2Be 2.0850
9	EN 12163-2016
	CuNi2Be CW110C
10	EN 12167-2024
	CuNi2Be CW110C

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