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Grade CuCo2Be
Germany W-Nr. CW104C
Corresponding Standard DIN EN 12163-2016
Copper and copper alloys – Rod 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/width arcoss-flats
d/t
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
2<d/t≤100 CuCo2Be-R680 R680 ≥680 ≥550 ≥6(A100)，
≥8(A11.3)，
≥10(A)
2<d/t≤100 CuCo2Be-H220 H220 220~270
2<d/t≤60 CuCo2Be-R730 R730 ≥730 ≥610 ≥4(A100)，
≥6(A11.3)，
≥8(A)
2<d/t≤60 CuCo2Be-H230 H230 230~310
All specifications CuCo2Be-M M No specification No specification No specification No specification
①Material condition names and character codes:
H - Hardness (Brinell or Vickers hardness), with the suffix number indicating the hardness value.
R - Tensile strength, with the suffix number indicating the minimum tensile strength value.
M - Manufactured without specified mechanical properties.
Refer to standard EN 1173-2008.
②A100、A11.3、A-gauge length
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
TBe0.6-2.5
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 Copper and Copper 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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