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Grade CuCo1Ni1Be
European Standard Steel Grade CW103C
Corresponding Standard EN 12163-1998
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
diameter/width across-flats
d
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
2<d≤80 CuCo1Ni1Be-R250 Solution Heat Treatment; R250 ≥250 ≈140* ≥20(A100)，
≥22(A11.3)，
≥25(A)
2<d≤80 CuCo1Ni1Be-H065 Solution Heat Treatment; H065 HB: 65~95；
HV: 70~100
2<d≤25 CuCo1Ni1Be-R500 Solution Heat Treatment + Cold Work; R500 ≥500 ≈430* ≥5(A100)，
≥6(A11.3)，
≥8(A)
2<d≤25 CuCo1Ni1Be-H135 Solution Heat Treatment + Cold Work; H135 HB: 135~175；
HV: 140~180
25<d≤40 CuCo1Ni1Be-R450 Solution Heat Treatment + Cold Work; R450 ≥450 ≈380* ≥10(A)
25<d≤40 CuCo1Ni1Be-H125 Solution Heat Treatment + Cold Work; H125 HB: 125~175；
HV: 130~180
40<d≤80 CuCo1Ni1Be-R400 Solution Heat Treatment + Cold Work; R400 ≥400 ≈330* ≥10(A)
40<d≤80 CuCo1Ni1Be-H110 Solution Heat Treatment + Cold Work; H110 HB: 110~160；
HV: 115~165
2<d≤80 CuCo1Ni1Be-R650 Solution Heat Treatment + Precipitation Hardening; R650 ≥650 ≈500* ≥8(A100)，
≥10(A11.3)，
≥12(A)
2<d≤80 CuCo1Ni1Be-H190 Solution Heat Treatment + Precipitation Hardening; H190 HB: ≥190；
HV: ≥200
2<d≤25 CuCo1Ni1Be-R800 Solution Heat Treatment + Cold Work + Precipitation Hardening; R800 ≥800 ≈730* ≥3*(A100)，
≥4*(A11.3)，
≥5(A)
2<d≤25 CuCo1Ni1Be-H220 Solution Heat Treatment + Cold Work + Precipitation Hardening; H220 HB: ≥220；
HV: ≥230
25<d≤40 CuCo1Ni1Be-R750 Solution Heat Treatment + Cold Work + Precipitation Hardening; R750 ≥750 ≈680* ≥5(A)
25<d≤40 CuCo1Ni1Be-H210 Solution Heat Treatment + Cold Work + Precipitation Hardening; H210 HB: ≥210；
HV: ≥220
40<d≤80 CuCo1Ni1Be-R700 Solution Heat Treatment + Cold Work + Precipitation Hardening; R700 ≥700 ≈630* ≥5(A)
40<d≤80 CuCo1Ni1Be-H200 Solution Heat Treatment + Cold Work + Precipitation Hardening; H200 HB: ≥200；
HV: ≥210
2<d≤80 CuCo1Ni1Be-M M No specification No specification No specification No specification
① Material condition names and designations:
H - Hardness (Brinell hardness 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.
② A100, A11.3, A - Gauge length.
CuCo1Ni1Be Corresponding Standards(Same grade name, different standards)
1 EN 12163-1998
CuCo1Ni1Be CW103C
2 EN 12166-1998
CuCo1Ni1Be CW103C
3 EN 12166-2016
CuCo1Ni1Be CW103C
4 DIN EN 12163-1998
CuCo1Ni1Be CW103C
5 DIN EN 12163-2016
CuCo1Ni1Be CW103C
6 DIN EN 12166-2016
CuCo1Ni1Be CW103C
7 DIN EN 12166-1998
CuCo1Ni1Be CW103C
8 EN 12163-2016
CuCo1Ni1Be CW103C
9 GB /T 20078-2006
CuCo1Ni1Be CW103C
10 EN 12167-2024
CuCo1Ni1Be CW103C

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