CuCo2Be CW104C - EN 12166-1998

Grade	CuCo2Be
European Standard Steel Grade	CW104C
Corresponding Standard	EN 12166-1998
Classification	Copper and Copper Alloys
Density	8.8 g/cm³

CuCo2Be Chemical Element Composition Content (%)

Component	Fe	Be	Ni	Co	Other Total	More
Minimum Value	-	0.4	-	2	-	Cu:余量
Maximum Value	0.2	0.7	0.3	2.8	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.

CuCo2Be Mechanical Properties

diameter③ d mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
1≤d≤10	CW104C-R240	Solution R240	240~380	≈135*	≥15(A100) ≥18(A11.3) ≥20(A)
1≤d≤10	CW104C-H090	Solution Heat Treatment H090				HV: ≥90
1≤d≤10	CW104C-R440	Solution + Cold Work R440	440~560	≈445*	≥2*(A)
1≤d≤10	CW104C-H125	Solution + Cold Work H125				HV: ≥125
1≤d≤10	CW104C-R680	Solution + Precipitation Hardening R680	680~900	≈635*	≥6(A100) ≥8(A11.3) ≥10(A)
1≤d≤10	CW104C-H215	Solution + Precipitation Hardening H215				HV: ≥215
1≤d≤10	CW104C-R750	Solution + Precipitation Hardening R750	750~970	≈760*	≥6(A100) ≥8(A11.3) ≥10(A)
1≤d≤10	CW104C-H230	Solution + Precipitation Hardening H230				HV: ≥230

①Material condition designation: H-Hardness (Brinell or Vickers), the suffix number indicates the hardness value; R-Tensile strength, the suffix number indicates the minimum tensile strength; M-As manufactured, without specified mechanical properties
②A100, A11.3, A-gauge length
③Or equivalent cross-sectional area for polygonal wire.

1 Approximate Comparison Table Processing of high copper alloy

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
TBe0.6-2.5 QBe0.6-2.5	C17500	C1750 C17500	97Cu-.5Be-2.5Co	C17500	CuCo2Be	C17500	CuCo2Be	C17500 2.1285	CuCo2Be	CW104C	БрБК0.6-2.5

2 Approximate Comparison Table Cupper and cupper alloy

Germany		European Standard
DIN EN/DIN	W-Nr.	EN	Numerical Grade
CuCo2Be	2.1285	CuCo2Be	CW104C

CuCo2Be Corresponding Standards(Same grade name, different standards)

1	EN 12163-1998
	CuCo2Be CW104C
2	EN 12166-1998
	CuCo2Be CW104C
3	EN 1654-1998
	CuCo2Be CW104C
4	EN 12166-2016
	CuCo2Be CW104C
5	DIN 17672-1-1983
	CuCo2Be 2.1285
6	DIN EN 12163-1998
	CuCo2Be CW104C (2.1285)
7	DIN EN 12163-2016
	CuCo2Be CW104C
8	DIN EN 12166-2016
	CuCo2Be CW104C
9	DIN EN 12166-1998
	CuCo2Be CW104C
10	DIN 17666-1983
	CuCo2Be 2.1285
11	EN 12163-2016
	CuCo2Be CW104C
12	DIN 2076-1984
	CuCo2Be
13	EN 12167-2024
	CuCo2Be CW104C

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