Grade CuCo1Ni1Be
European Standard Steel Grade CW103C
Corresponding Standard EN 12166-1998
Copper and copper alloys — Wire for general purposes
Classification Copper and Copper Alloys
Density 8.8 g/cm3
CuCo1Ni1Be Chemical Element Composition Content (%)
Component Fe Be Ni Co Other Total More
Minimum Value - 0.4 0.8 0.8 - Cu:余量
Maximum Value 0.2 0.7 1.3 1.3 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.
CuCo1Ni1Be Mechanical Properties
diameter③
d
mm
Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
1≤d≤10 CW103C-R240 Solution R240 240~380 ≈135* ≥15(A100)
≥18(A11.3)
≥20(A)
1≤d≤10 CW103C-H090 Solution Heat Treatment H090 HV: ≥90
1≤d≤10 CW103C-R440 Solution + Cold Work R440 440~560 ≈445* ≥2*(A)
1≤d≤10 CW103C-H125 Solution + Cold Work H125 HV: ≥125
1≤d≤10 CW103C-R680 Solution + Precipitation Hardening R680 680~900 ≈635* ≥6(A100)
≥8(A11.3)
≥10(A)
1≤d≤10 CW103C-H215 Solution + Precipitation Hardening H215 HV: ≥215
1≤d≤10 CW103C-R750 Solution + Precipitation Hardening R750 750~970 ≈760* ≥6(A100)
≥8(A11.3)
≥10(A)
1≤d≤10 CW103C-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.

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