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Grade CuCo2Be
European Standard Steel Grade CW104C
Corresponding Standard EN 12166-2016
Copper and copper alloys - Wire for general purposes
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
"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
diameter*
d
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
1.5<d≤10 CuCo2Be-H230 H230 HV
230~290
1.5<d≤10 CuCo2Be-H240 H240 240~330
1<d≤10 CuCo2Be-R680 R680 ≥680 ≥550 ≥3(A100)
≥6(A11.3)
≥10(A)
1<d≤10 CuCo2Be-R730 R730 ≥730 ≥610 ≥2(A100)
≥5(A11.3)
≥8(A)
All specifications CuCo2Be-M M No specification No specification No specification No specification
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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