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Grade CuNi2Be
European Standard Steel Grade CW110C
Corresponding Standard EN 1654-1998
Copper and copper alloys - Strip for springs and connectors
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
"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
condition Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW 		Bending Strength σw
Mpa
Strip CuNi2Be-R240 Solution heat treatment + cold rolling R240 240~380 ≥20ⓐ ；≥20ⓑ
Strip CuNi2Be-H060 Solution heat treatment + cold rolling H060 HV: 60~130
Strip CuNi2Be-Y130 Solution heat treatment + cold rolling Y130 130~(320) ≥20ⓐ ；≥20ⓑ
Strip CuNi2Be-R680 R680②③ 680~900 ≥8ⓐ ；≥8ⓑ
Strip CuNi2Be-H190 H190②③ HV: 190~280
Strip CuNi2Be-Y550 Y550②③ 550~(690) ≥8ⓐ ；≥8ⓑ
Strip CuNi2Be-B370 B370②③ HV: (190)~(280) Bending limit ≥370
Strip CuNi2Be-R480 Solution heat treatment + cold rolling R480 480~590 ≥2ⓐ ；≥2ⓑ
Strip CuNi2Be-H140 Solution heat treatment + cold rolling H140 HV: 140~180
Strip CuNi2Be-Y370 Solution heat treatment + cold rolling Y370 370~(560) ≥2ⓐ ；≥2ⓑ
Strip CuNi2Be-R750 R750②③ 750~940 ≥5ⓐ ；≥5ⓑ
Strip CuNi2Be-H200 H200②③ HV: 200~290
Strip CuNi2Be-Y650 Y650②③ 650~(900) ≥5ⓐ ；≥5ⓑ
Strip CuNi2Be-B500 B500②③ HV: (200)~(290) Bending limit ≥500
Strip CuNi2Be-R820 R820④ 820~1040
Strip CuNi2Be-H210 H210④ HV: 210~290
Strip CuNi2Be-Y750 Y750④ 750~(970)
Strip CuNi2Be-B590 B590④ HV: (210)~(290) Bending limit ≥590
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

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