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Grade CuZr
Germany W-Nr. CW120C
Corresponding Standard DIN EN 12163-2016
Copper and copper alloys – Rod for general purposes
Classification Copper and Copper Alloys
Density 8.9 g/cm3
CuZr Chemical Element Composition Content (%)
Component Zr Other Total More
Minimum Value 0.1 - Cu:余量
Maximum Value 0.2 0.1
"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.
CuZr 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
50<d/t≤80 CuZr-R250 R250 ≥250 ≥170 ≥20(A)
50<d/t≤80 CuZr-H075 H075 75~115
25<d/t≤40 CuZr-R280 R280 ≥280 ≥210 ≥15(A)
25<d/t≤40 CuZr-H090 H090 90~130
4<d/t≤25 CuZr-R350 R350 ≥350 ≥260 ≥10(A11.3)，
≥12(A)
4<d/t≤25 CuZr-H120 H120 120~160
All specifications CuZr-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.
Approximate Comparison Table Copper and Copper Alloy
Germany European Standard
DIN EN/DIN W-Nr. EN Numerical Grade
CuZr 2.1580 CuZr CW120C
CuZr Corresponding Standards(Same grade name, different standards)
1 EN 12163-1998
CuZr CW120C
2 EN 12166-1998
CuZr CW120C
3 EN 12166-2016
CuZr CW120C
4 DIN 17672-1-1983
CuZr 2.1580
5 DIN EN 12163-1998
CuZr CW120C (2.1580)
6 DIN EN 12163-2016
CuZr CW120C
7 DIN EN 12166-2016
CuZr CW120C
8 DIN EN 12166-1998
CuZr CW120C
9 DIN 17666-1983
CuZr 2.1580
10 EN 12163-2016
CuZr CW120C
11 EN 12167-2024
CuZr CW120C

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