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Grade CuZr
Germany W-Nr. 2.1580
Corresponding Standard DIN 17672-1-1983
Wrought copper and copper alloys bars；Properties.
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 0.3 0.2
"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/thickness
d
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Round, Square, Hexagonal Material; 6<d≤25 2.1580.70 Solution heat treatment + cold working + artificial aging F35(.70) ≥350 ≥310 ≥13(A5) ≈115
Flat section; d ≤ 10 2.1580.70 Solution heat treatment + cold working + artificial aging F35(.70) ≥350 ≥310 ≥13(A5) ≈115
Round, Square, Hexagonal Material; d＞25 2.1580.70 Solution heat treatment + cold working + artificial aging F30(.70) ≥300 ≥250 ≥20(A5) ≈95
Flat Material; d＞10 2.1580.70 Solution heat treatment + cold working + artificial aging F30(.70) ≥300 ≥250 ≥20(A5) ≈95
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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